23 results for Infrastructure Engineer in Japan
Infrastructure Engineer
- Tokyo,
- remote
- Contract
-
6.5M - 9.0M JPY / Yearly
- <p>Company Profile | 企業概要</p><p><br />A leading Japanese technology and e-commerce conglomerate operating a vast private cloud infrastructure that powers services used by millions of users globally is looking for a Senior Cloud Platform Engineer.</p><p><br />The Role | 職務内容</p><p><br />This team of 17 (15 engineers, 2 project managers) is responsible for providing and maintaining the company's private cloud Kubernetes container platform.<br />The group is looking for a Senior Engineer who can handle both software development and infrastructure administration across Kubernetes, Istio, Linux, Mesos, and Marathon systems. Within six months, you will be expected to operate as a virtual team leader across products and projects.<br /><br /><br />Your Skills | 応募資格</p><p><br />5+ years of software development experience (requirement definition, design, test, implementation, release) using a statically typed language such as Java, C++, Golang, or Rust.<br />3+ years of infrastructure administration experience in production environments (Linux, Kubernetes, Istio, Nginx, Mesos, Marathon, etc.).<br />Hands-on experience providing cloud platform services across 100+ servers (user-only experience is not sufficient).<br />A careful and methodical approach to large-scale infrastructure operations.<br />Willingness to join as a regular employee and participate in daily on-call rotation shifts.<br /><br /><br />Key Highlights of the Role | おすすめのポイント<br /><br />Join one of Japan's most iconic tech companies and contribute to infrastructure powering services at massive scale.<br />Clear leadership track - expected to grow into a virtual team lead role within six months.<br />Work with cutting-edge cloud-native technologies including Kubernetes, Istio, and a fully private cloud environment.<br />Be part of a collaborative, multinational engineering team using a modern, end-to-end DevOps toolchain.</p><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>7 - 10 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-06940-0013410551</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuOTA1MDQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-01T04:20:33Z
Infrastructure Engineer
- Tokyo,
- remote
- Contract
-
5.0M - 6.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A globally renowned Swiss luxury watch brand with a heritage dating back to 1884 is seeking a D&T Coordinator to support its Japan operations - bridging local business teams, global IT, and external vendors.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Serve as the primary point of contact between vendors, local users, and global D&T teams.</li><li>Monitor and manage ITSM tickets (JIRA, ServiceNow, or similar), ensuring timely follow-up on user requests.</li><li>Own local D&T OPEX and CAPEX, working with global teams to keep spending on track.</li><li>Coordinate and support local and global IT-related projects, providing local systems support as needed.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>1-2 years of helpdesk or troubleshooting experience across Windows OS and Apple devices.</li><li>Basic hands-on experience with MS Azure or other cloud platforms.</li><li>Exposure to ITSM tools such as JIRA or ServiceNow.</li><li>Fluent Japanese with solid English communication skills (spoken and written).</li><li>Proactive, collaborative, and eager to grow - a positive personality matters here.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join one of the world's most iconic luxury watch brands and be part of its Japan digital & technology team.</li><li>Report to the Local Finance Director with a dotted line to the APAC IT Manager - strong visibility from day one.</li><li>Broad, varied role covering infrastructure, cloud, vendor management, and budget - ideal for someone who wants to develop across multiple IT disciplines.</li><li>Be the IT face of a premium global brand in Japan.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>5 - 6 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013450117</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjkzMjUyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-06-12T23:15:13Z
Infra Engineer
- Tokyo,
- remote
- Contract
-
6.0M - 7.5M JPY / Yearly
- <p><strong>Company Profile </strong><br />A leading global e-commerce and technology company is seeking a skilled infrastructure engineer to join their private cloud platform team, supporting large-scale virtualization environments across the organization.</p><p> </p><p><strong>The Role </strong></p><ul><li>Design and deploy various clusters composed of numerous nodes, taking into account operational costs, redundancy, and capacity requirements.</li><li>Evaluate and implement new solutions to enhance functionality and performance of the virtualization platform.</li><li>Drive standardization and automation of service management across the infrastructure.</li><li>Monitor, troubleshoot, and maintain core production environments to ensure continuous stable operation.</li><li>Contribute to the adoption of next-generation HCI technologies alongside existing VMware vSphere environments, working toward a more flexible, scalable, and efficient private cloud.</li></ul><p><br /><strong>Your Skills </strong></p><ul><li>Hands-on experience with VMware vSphere or equivalent virtualization platforms.</li><li>Experience designing and operating large-scale, multi-node cluster environments.</li><li>Familiarity with Hyper-Converged Infrastructure (HCI) solutions such as Nutanix is highly advantageous.</li><li>Background in automation and standardization of infrastructure operations.</li><li>Proven ability to monitor and troubleshoot mission-critical production systems.</li></ul><p><br /><strong>Key Highlights of the Role </strong></p><ul><li>Play a central role in building and modernizing a private cloud platform that supports a globally recognized technology organization.</li><li>Work with cutting-edge virtualization and HCI technologies in a large-scale, real-world environment.</li><li>Drive meaningful automation initiatives that directly improve engineering efficiency across the broader group.</li><li>Be part of a stable yet forward-looking infrastructure team that continuously adopts the latest technologies.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>6 - 7.5 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-0013424859</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><p> </p><img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuNDU1OTUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-23T05:30:46Z
Database Engineer
- Tokyo,
- remote
- Contract
-
6.0M - 9.0M JPY / Yearly
- <p>Company Profile | 企業概要<br />A global technology-driven organization operating at massive scale, delivering high-availability data infrastructure solutions to millions of users worldwide. The database engineering team is at the core of the business - building, managing, and evolving mission-critical systems with cutting-edge cloud-native technology.<br /><br />The Role | 職務内容<br /><br />The team is responsible for designing and managing large-scale Couchbase database environments, with a strong focus on Kubernetes-based deployments across production systems.<br />You will serve as the senior technical authority for Couchbase, leading lifecycle management, performance optimization, and incident resolution across critical database infrastructure.<br />Reporting into the Database leadership, you will mentor junior DBAs, drive best practices, and collaborate closely with development, SRE, and operations teams.<br />You will lead end-to-end database projects - from planning and design through to execution, monitoring, and closure.<br /><br /><br />Your Skills | 応募資格<br /><br />8+ years of progressive Database Administrator experience, with at least 3+ years specifically in Couchbase.<br />Deep expertise in Couchbase architecture, N1QL, indexing, replication, and Cross Data Center Replication (XDCR).<br />Hands-on experience managing Couchbase on Kubernetes platforms (GKE, EKS, AKS, or OpenShift).<br />Proficiency in scripting languages such as Python or Bash for automation.<br />Familiarity with monitoring tools such as Prometheus, Grafana, or Splunk.<br />Experience with cloud platforms (AWS, Azure, GCP) and Infrastructure as Code tools like Terraform is a plus.<br />Additional experience with MySQL or Elasticsearch is advantageous.<br />Strong communication skills with the ability to explain complex technical concepts clearly.<br /><br /><br />Key Highlights of the Role | おすすめのポイント<br /><br />Join a globally scaled engineering team managing database infrastructure for millions of users.<br />Take ownership of Couchbase architecture and lifecycle management with real technical authority.<br />Work with cutting-edge cloud-native and Kubernetes technologies in a high-impact environment.<br />Mentor and lead junior DBAs while contributing to the strategic direction of the database landscape.<br />Be part of a collaborative, cross-functional team alongside SRE, development, and operations.</p><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>6 - 9 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-0013410546</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuNzI4MDkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-01T02:36:51Z
SRE Engineer
- Setagaya,
- remote
- Contract
-
6.0M - 9.0M JPY / Yearly
- <p>Company Profile | 企業概要<br />A global e-commerce and technology leader operating one of Japan's most widely used loyalty point ecosystems, seeking a senior Site Reliability Engineer.<br /><br />The Role | 職務内容s<br />Working within a high-traffic, mission-critical platform that processes hundreds of thousands of transactions in real time, you will lead the stable operation and continuous improvement of core digital services. As a Senior SRE, you will define and drive SLOs/SLAs, lead incident response, oversee performance and capacity initiatives, and manage and mentor a team of SRE engineers - all while fostering a strong DevOps culture across product, infrastructure, and security teams.<br /><br />Your Skills | 応募資格<br />5+ years of hands-on experience in SRE, infrastructure engineering, or a related discipline.<br />Proven experience building and operating production systems on public or private cloud (AWS, GCP, Azure).<br />Deep expertise in Kubernetes - design, build, operation, and scaling.<br />Strong command of modern observability tooling such as Prometheus, Grafana, ELK Stack, or Datadog.<br />Solid knowledge of UNIX internals, TCP/IP networking, and HTTP protocols.<br />Experience with CI/CD pipelines (Jenkins, CircleCI, GitLab CI/CD) and scripting in Python or Shell.<br />Track record of leading production incident management end-to-end, including RCA and preventative measures.<br />Business-level English required; Japanese proficiency is a strong plus.<br /><br />Key Highlights of the Role | おすすめのポイント<br />Own reliability for one of Japan's highest-traffic consumer platforms, processing transactions at massive scale.<br />Drive meaningful SRE transformation - error budgets, toil reduction, and observability - with real organizational support.<br />Collaborate with global, cross-functional teams in a truly international engineering environment.<br />Join a company at the center of Japan's digital economy, with continued investment in its technology infrastructure.</p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>6 - 9 million yen</p><p><strong> </strong></p><p>Reference Number: 67040- 0013410548</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><p> </p><img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuMzA0NzYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-01T02:55:09Z
DevOps Engineer
- Tokyo,
- remote
- Permanent
-
6.0M - 10.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A large-scale Japanese technology platform provider operating major communication and developer platforms, supporting high-traffic services and massive data infrastructure at global scale. The organization focuses on building highly reliable systems that power everyday digital services.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>As a DevOps Engineer (Distributed Database), you will be responsible for ensuring reliability, scalability, and operational efficiency of large-scale messaging and developer platforms.</li></ul><p>Core Mission:</p><ul><li>Manage and optimize distributed database systems under high traffic and large data volumes, ensuring system reliability and availability.</li></ul><p>Key Responsibilities:</p><ul><li>Operate and maintain distributed database instances (deployment, restart, upgrades)</li><li>Develop automation tools, IaC, and pipelines to optimize operational efficiency, cost, and performance</li><li>Monitor systems, handle on-call duties, troubleshoot incidents, and conduct root cause analysis</li><li>Collaborate closely with SRE/DBRE teams to achieve high availability and reliability targets</li><li>Work cross-functionally with QA, customer support, and development teams to resolve issues</li></ul><p>Expectation:</p><ul><li>Act as a DevOps contributor within development teams, improving operational workflows and potentially contributing to building a scalable storage operations function in the future</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><p>Required Qualifications (MUST)</p><ul><li>Experience in DevOps or infrastructure-related roles</li><li>Fundamental knowledge of infrastructure and networking</li><li>Basic understanding of distributed systems or distributed databases</li><li>Experience with scripting languages (e.g., Shell, Python, Ruby) and automation tools (e.g., Ansible, Chef)</li><li>Experience building and maintaining automated server environments</li><li>Familiarity with observability/monitoring tools and best practices</li><li>Strong troubleshooting skills, including root cause analysis and incident handling</li><li>Experience with on-call operations</li></ul><p>※Language skills:</p><p> - Japanese: Business level (spoken communication required)</p><p> - English: Business-level documentation and communication skills</p><p>Preferred Qualifications (WANT)</p><ul><li>Experience handling large-scale infrastructure or high-traffic services</li><li>Practical understanding of SRE concepts and best practices</li><li>Experience in system performance optimization</li><li>Knowledge or experience in BCP (Business Continuity Planning) / DR (Disaster Recovery)</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Massive Scale Engineering: Work on distributed database systems supporting extremely high traffic and large-scale data environments</li><li>SRE + DevOps Exposure: Close collaboration with SRE/DBRE teams, offering strong reliability engineering experience</li><li>End-to-End Operations Ownership: Coverage from infrastructure automation to incident response and performance optimization</li><li>Technical Depth: Opportunity to solve complex issues across hardware, software, and distributed systems layers</li><li>Stable but Challenging Environment: Combine enterprise stability with highly technical, high-difficulty engineering challenges</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>6 - 10 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013453135</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/WGlhb2NoZW4uU3VuLjcyMTQxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-06-12T06:06:59Z
Database Engineer
- Tokyo,
- remote
- Contract
-
6.0M - 8.0M JPY / Yearly
- <p><strong>Company Profile | 企業概要</strong><br /><br />A leading global e-commerce and technology company is seeking a Senior Data Engineer with deep Elasticsearch and database expertise to join their dynamic infrastructure team.<br /><br /><strong>The Role | 職務内容</strong><br /><br /></p><ul><li>You will be responsible for the architecture, deployment, management, and optimization of critical database and Elasticsearch environments.</li><li>Ensuring high availability, performance, and scalability of data infrastructure, with a particular focus on Kubernetes deployments.</li><li>You will design and manage large-scale Elasticsearch clusters (multi-node, multi-terabyte), including performance tuning, security, and monitoring.</li><li>Manage highly available MySQL clusters on Kubernetes/container platforms across production and non-production environments, including backup, recovery, capacity planning, and lifecycle management.</li><li>Work closely with development, operations, and SRE teams to ensure seamless application and database integration, and participate in on-call rotations for 24/7 critical support.</li></ul><p><br /><strong>Your Skills | 応募資格</strong><br /><br /></p><ul><li>Deep expertise in Elasticsearch architecture - sharding, replication, indexing, mapping, analyzers, and aggregations.</li><li>Strong MySQL experience including high availability setups, security, encryption, and root cause analysis.</li><li>Proficiency in scripting languages such as Python and Bash for automation.</li><li>Experience with cloud platforms (GCP, AWS) and containerization technologies (Docker, Kubernetes).</li><li>Experience with monitoring tools such as Prometheus, Grafana, Kibana, and Elastic Stack Monitoring.</li><li>Experience with Infrastructure as Code tools like Terraform is a plus.</li><li>Familiarity with additional NoSQL databases such as Couchbase is advantageous.</li></ul><p><br /><strong>Key Highlights of the Role | おすすめのポイント</strong><br /><br /></p><ul><li>Play a central role in maintaining and evolving the data infrastructure of a globally recognized technology organization.</li><li>Mentor junior engineers and drive adoption of best practices, standards, and automation initiatives.</li><li>Lead technical discussions, design reviews, and strategic planning for database infrastructure roadmaps.</li><li>Join a large-scale, innovative environment at the intersection of e-commerce, fintech, and technology.</li></ul><p><strong>Location </strong></p><p>Tokyo</p><p> </p><p><strong>Salary</strong></p><p>6 - 8 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-0013415459</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuMjcwNzIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-23T03:02:18Z
Network & Server Engineer
- Tokyo,
- remote
- Contract
-
10.0M - 12.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A New York-based global house of modern luxury lifestyle brands, built on values of optimism, innovation, and inclusivity. With a portfolio of world-renowned fashion labels, this company operates across corporate offices and retail stores throughout Japan and Korea, and is seeking a seasoned Network Engineer to lead infrastructure projects across the region.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Reporting to the Senior Manager, Architecture & Engineering (Shanghai), you will oversee and implement network infrastructure projects across corporate offices and retail stores in Japan and Korea.</li><li>Lead end-to-end delivery of large-scale network deployments ($50K-$500K+), covering design, implementation, and commissioning across data centers, offices, branches, and retail locations using Cisco and Fortinet platforms.</li><li>Serve as the escalation point for incident resolution, root cause analysis, and high-priority outages, while monitoring SIEM alerts and deploying security patches.</li><li>Manage vendor relationships, negotiate telecom and hardware contracts, and evaluate SLA performance through quarterly business reviews.</li><li>Conduct site visits to HQ, data centers, and retail locations to identify network bottlenecks and propose improvements leveraging SD-WAN, Zscaler, Checkpoint, and automation tools.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Minimum 5 years of hands-on enterprise networking experience, with expert-level CLI proficiency in Fortinet and Cisco (last 5 years required).</li><li>Proven experience in Cisco and Fortinet SD-WAN zero-to-one design and implementation, MPLS, IPsec-VPN, BGP/OSPF, Layer 3/7 networking, and HA architectures.</li><li>Native Japanese and business-level English are mandatory; Chinese is a plus.</li><li>Project Management certification (PMP, PRINCE2) or equivalent experience preferred.</li><li>Prior experience in retail, fashion, or lifestyle brands is highly desirable.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join one of the world's most iconic luxury lifestyle brand houses with a globally recognized portfolio of fashion labels.</li><li>Take ownership of network infrastructure across Japan and Korea, with direct impact on both corporate and retail operations.</li><li>Work in a regionally structured IT organization with global connectivity to North America leadership.</li><li>Hybrid working model with competitive scope - corporate, retail, and data center environments all in one role.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013402488</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjE3NDg0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-04-22T00:40:02Z
Customer Success Engineer
- Tokyo,
- remote
- Permanent
-
18.0M - 25.0M JPY / Yearly
- <p>企業概要 | Company Profile<br />A mission-driven global cybersecurity intelligence provider is seeking a Customer Success Engineer based in Japan. The company delivers unmatched visibility into internet activity at a global scale, serving enterprises, government bodies, financial institutions, and telecommunications providers with threat intelligence that helps detect, disrupt, and defend against advanced cyber threats.<br /><br /><br />職務内容 | The Role<br />* Own the full post-sales technical lifecycle for Japanese enterprise customers - from onboarding and integration through adoption, renewal, and expansion.<br />* Serve as a trusted technical advisor, helping customers embed threat intelligence into their security workflows (SecOps, threat hunting, incident response, and detection engineering).<br />* Build and maintain success plans that map customer intelligence requirements to measurable ROI and business outcomes.<br />* Deliver workshops, enablement sessions, solution demos, and workflow guidance tailored to each customer's maturity level.<br />* Troubleshoot adoption gaps across APIs, data flows, integrations, and operational workflows.<br />* Monitor account health, usage patterns, and stakeholder engagement; recommend improvements to drive ongoing value.<br /><br /><br />応募資格 | Your Skills<br />* 3+ years of experience in cybersecurity (SOC, threat intelligence, detection engineering, incident response, or related disciplines).<br />* Solid experience in customer-facing technical roles: Customer Success Engineering, Technical Account Management, Solutions Engineering, or Security Consulting.<br />* Familiarity with CTI concepts: intelligence lifecycle, threat actor infrastructure, indicators, enrichment, MITRE ATT&CK, and operationalization.<br />* Experience integrating or consuming intelligence via SIEM, SOAR, TIP, EDR, or APIs.<br />* Knowledge of network protocols and internet infrastructure (TCP/IP, DNS, HTTP, TLS).<br />* Experience working with Japanese enterprise customers and navigating Japan's formal business culture.<br />* Native-level Japanese with business-level English (reading, writing, speaking).<br /><br /><br />おすすめのポイント | Key Highlights of the Role<br />* Work with some of Japan's and APAC's most critical organizations - including global financial institutions, telecoms, and government bodies.<br />* Be the face of a globally trusted cybersecurity intelligence platform in the Japanese market.<br />* Contribute directly to missions that protect national security, critical infrastructure, and millions of people.<br />* Collaborate with global teams across the US and EMEA in a high-impact, mission-driven environment.<br />* Attend international company events including the annual customer conference and global Sales Kickoff.<br /><br /></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong>Salary</strong></p><p>18 - 25 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-0013394554</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><p> </p><img src="https://counter.adcourier.com/TW9tby5NYWVkYS4xNTMwMi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
- 2026-05-28T07:13:55Z
Back End Engineer
- Tokyo,
- remote
- Permanent
-
10.0M - 15.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A leading Japanese technology group that addresses social inconveniences by expanding major online advertising, booking platforms, and B2B SaaS business tools globally.</p><p><strong> </strong></p><p><strong>The Role</strong><br /> As a Backend Engineer, you will lead the development and launch of a brand-new, AI-driven smart booking/matching platform tailored specifically for overseas markets, starting with the US (※no release planned in Japan).</p><ul><li>Current Phase: The product is currently in the PoC stage, focusing on validating an innovative AI matching concept.</li><li>Core Mandate: Act as a core member of a small-scale, cross-functional Scrum team, focusing heavily on hands-on backend engineering.</li><li>Key Assignments:</li><ul><li>API Development: Focus heavily on designing and implementing backend APIs that integrate smoothly with mobile applications.</li><li>Tech Stack: Python, SQL, Database (RDB/MySQL), AWS (Lambda, API Gateway, RDS, Glue), Google Cloud (BigQuery).</li></ul></ul><p> </p><p><strong>Your Skills </strong></p><p>■Required Qualifications (MUST)</p><ul><li>Experience: 5+ years of professional backend software development experience.</li><li>Seniority: Middle to Senior level (Focus is on hands-on development; high-potential talent without prior management experience are welcome).</li><li>Technical Foundation: Good understanding of databases (SQL/RDB) and familiar with basic cloud infrastructure concepts (AWS) necessary for backend integration.</li><li>Languages: Business-level proficiency in both Japanese and English (reading, writing, and speaking).</li></ul><p><br /> ■Preferred Qualifications (WANT)</p><ul><li>Experience with AI product development, RESTful API design (Go/Python/Java), serverless architectures, or scrum methodologies.</li><li>Experience working within cross-functional, global, or multi-national engineering teams.</li><li>Mobility: Willingness and ability to take business trips to the US.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>0-to-1 Global Challenge: Rare opportunity to build a global product from scratch for the US market within a well-funded, major Japanese firm.</li><li>End-to-End Ownership: Engage in lean, fast-paced "All in UX" development. Engineers are actively involved in upstream product design and market research, rather than just coding.</li><li>Top-Tier Compensation: Highly competitive annual salary ranging from ¥10M to ¥15M based on experience.</li><li>Ultimate Work Flexibility: Coreless Super Flex system with an annual holiday allowance of 140 days and a full remote work option.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 15 million yen</p><p><strong> </strong></p><p> </p><p>Reference Number: 06940-0013450798</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/WGlhb2NoZW4uU3VuLjk4MzU3LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-06-10T01:52:34Z
Storage Engineer
- Tokyo,
- remote
- Contract
-
6.0M - 6.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>One of Japan's leading global technology companies, operating a diverse ecosystem of businesses across e‑commerce, fintech, digital content, and communications.</p><p> </p><p><strong>The Role</strong></p><ul><li>Design, deploy, and manage storage systems (SAN/NAS/Object Storage)</li><li>Ensure storage availability, performance, and capacity planning</li><li>Troubleshoot storage incidents and perform root cause analysis</li><li>Collaborate with infrastructure, cloud, and application teams</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>Experience with enterprise storage technologies (e.g., NetApp, Dell EMC, Pure, Ceph)</li><li>Solid understanding of Linux/Unix environments</li><li>Knowledge of virtualization and cloud platforms (VMware, Kubernetes, public cloud)</li><li>Experience with scripting and automation (Shell, Python preferred)</li><li>Strong problem‑solving and communication skills</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>Hourly rate: ¥3,340</p><p><strong> </strong></p><p>Reference Number: 06940-0013395392</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><p> </p><img src="https://counter.adcourier.com/YXJ5YS5wYW11bmdrYXMuNzgyMjYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-08T00:04:13Z
QA Lead Engineer
- Tokyo,
- remote
- Contract
-
10.0M - 12.0M JPY / Yearly
- <p><strong>Company Profile</strong><br /> <br /> A fast-growing AI-powered data platform company serving the manufacturing industry, with operations across Japan, the US, and ASEAN markets, is looking for a QA Lead Engineer to own quality strategy for a new product.<br /> <br /> <br /> <br /> <strong>The Role</strong><br /> <br /> The company is building a new application on top of its core enterprise platform, which manages large archives of engineering drawings, documents, and supply-chain data. With an initial version developed and an official release approaching, product quality and stability are now top priorities.<br /> <br /> You will lead QA strategy formulation and execution - defining what quality means in the context of the product vision and business strategy, not just improving existing processes. You will build a QA framework from the ground up, including hiring and training team members, formulating test strategies, and leading test planning, design, and execution across both automated and manual testing. You will review product specifications from a quality perspective and collaborate closely with engineering and product stakeholders to continuously deliver value and earn customer trust.<br /> <br /> <br /> <br /> <strong>Your Skills </strong><br /> </p><ul><li>5+ years of experience leading quality assurance activities with strong QA expertise.</li><li>Experience managing and leading QA teams.</li><li>Hands-on experience designing and implementing test processes per standards such as ISTQB, ISO 29119, and general QA methodologies.</li><li>Experience working with large-scale systems involving multiple teams and stakeholders is a plus.</li><li>QA experience in Agile environments and for web applications or SaaS products is preferred.</li><li>Professional background as a software engineer is a plus.</li><li>Business-level Japanese (JLPT N2 or equivalent, or ~3 years professional experience in a Japanese-speaking environment).</li></ul><p>Tech Stack<br /> </p><ul><li>Frontend: TypeScript, React, Next.js</li><li>Backend: TypeScript, Rust (axum), Node.js (Express, Fastify, NestJS)</li><li>Infrastructure: Docker, Google Cloud, Kubernetes, Istio, Cloudflare</li><li>DevOps: GitHub Actions, ArgoCD, Kustomize, Helm, Terraform, Datadog, Sentry</li><li>Data: CloudSQL (PostgreSQL), AlloyDB, BigQuery, dbt, trocco</li><li>API: GraphQL, REST, gRPC</li><li>Auth: Auth0</li><li>Comms: Slack, Discord, JIRA, Miro, Confluence</li></ul><p><br /> <br /> <strong>Key Highlights of the Role </strong><br /> </p><ul><li>Play a defining role in building quality culture and QA infrastructure for a new product at a high-growth company.</li><li>Act as the key stakeholder between product, engineering, and leadership on all quality matters.</li><li>Deliver significant societal value through products that transform industrial structures globally.</li><li>Develop professional insights into software development well beyond QA engineering.</li><li>Join a globally operating organization and work alongside highly motivated teammates tackling an unprecedented challenge.</li></ul><p><br /> <br /> <strong>Location </strong><br /> <br /> Tokyo<br /> <br /> <br /> <br /> <strong>Salary</strong><br /> <br /> 10 - 12 million yen<br /> <br /> <br /> <br /> Reference Number: 06940-0013408087<br /> <br /> <br /> <br /> <br /> <br /> <em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em><br /> </p><img src="https://counter.adcourier.com/T25kcmVqLlphdGxvdWthbC4yODcxNS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
- 2026-04-06T08:50:46Z
Data Scientist - ML/AI
- Tokyo,
- remote
- Permanent
-
10.0M - 25.0M JPY / Yearly
- <p><strong>The Role</strong></p><p>This is the company's first dedicated AI Engineer hire. You will own the design, build, and deployment of an internal AI agent platform that will transform how the organization operates, working directly with the Data Science Director and with visibility to C-suite leadership. This is not a support function; this is an ownership role with enterprise-scale impact from day one.</p><p>Responsibilities</p><ul><li>Design and deploy AI agent systems using LLM frameworks, tool-calling, and MCP architecture</li><li>Own full-cycle agent workflow implementation from system design through production deployment</li><li>Build prompt engineering frameworks and agent control mechanisms for retail-specific use cases</li><li>Lead development of a consumer-facing AI shopping assistant (personalized recommendations, customer intent modeling)</li><li>Connect agent workflows to enterprise data infrastructure in collaboration with data engineers and scientists</li><li>Contribute to AI use case discovery across store operations, logistics, and distribution</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><p>Must-Have:</p><ul><li>3+ years hands-on AI/ML engineering in production environments</li><li>1+ year practical experience building or operating AI agent systems (not research or POC only)</li><li>Strong command of LLM application development: prompt engineering, tool-calling, agent orchestration</li><li>Experience with MCP or equivalent architecture</li><li>Business-level Japanese (JLPT N1)</li><li>Strong communication skills for cross-functional collaboration with business stakeholders</li></ul><p> </p><p>Preferred:</p><ul><li>Background in e-commerce, or logistics</li><li>Experience with recommendation systems or personalization engines</li><li>Familiarity with data pipeline architecture</li><li>Prior experience at a company with large-scale consumer data assets</li></ul><p><strong> </strong></p><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 25 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013443979</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/TGluaC5EYW5nLjAyNjM4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-05-28T06:53:15Z
Backend Engineer
- Tokyo,
- remote
- Contract
-
9.0M - 9.0M JPY / Yearly
- <p>[Department Overview]</p><ul><li>As we operate a large-scale internet shopping mall service, we strive for improvement through a cycle of hypothesis → verification → analysis → systematization. Furthermore, in order to provide continuous and stable service under high load conditions during large-scale events, we optimize the web backend by considering various system and service characteristics, providing an environment where engineers' skills are constantly tested.</li></ul><p>[Position Outline]</p><ul><li>The EC Marketplace Development Department is seeking a Senior Backend Development Engineer. Specifically, you will be responsible for the design, development, and operation of the web system backend, as well as managing the engineering team and projects.</li></ul><p>[Responsibilities]</p><ul><li>Understand the prioritization of business requirements and deliver high-quality services within a limited timeframe.</li><li>Lead the project for assigned services and resolve technical issues, or design, develop, test, and release new or existing features.</li><li>Design, develop, test, and release within projects.</li><li>Operational support (handling inquiries from consumers and merchants, conducting investigations, performing operational tasks, etc.)</li></ul><p>[Required Skills]</p><ul><li>5+ years of Tech Lead experience (architecture design of high-load web systems, technical decision-making, etc.)</li><li>Experience leading the design of systems with scalability and maintainability in mind, and strategically guiding the future vision of the service (user growth, integration of new features)</li><li>Experience in service monitoring and troubleshooting and reporting in production environments</li><li>5+ years of Java/Spring Boot web application development experience</li><li>5+ years of REST API design and development experience, and proficiency in JUnit testing and code review</li><li>Experience with relational databases (Oracle or MySQL)</li><li>Experience using Tomcat or WebLogic</li><li>Experience with Git, Linux, and Gradle</li><li>Experience with CI/CD using Jenkins or other tools</li><li>Knowledge of container architectures including Docker and Kubernetes, and experience using them in system development</li><li>English communication skills</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-0013396260</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjAwODQwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-04-08T06:17:32Z
Network & Server Engineer
- Tokyo,
- remote
- Contract
-
8.0M - 12.0M JPY / Yearly
- <p>Company Profile | 企業概要<br /> <br /> The company is a global provider of high-bandwidth connectivity, network, and voice solutions, delivering secure and scalable infrastructure to enterprises, carriers, and financial institutions across Europe, Asia, and North America. With a reputation for engineering excellence and a customer-first culture, it continues to expand its Asia-Pacific footprint - making this an exceptional time to join and shape the future of network delivery in Japan.<br /> <br /> The Role | 職務内容</p><ul><li>Lead a team of Technical Validation Engineers across all technology domains, overseeing day-to-day delivery of technical validation and feasibility checks for Customer Orders and Internal Network Optimisation Orders.</li><li>Manage workload prioritization and support the professional development of each team member, ensuring consistent output quality and on-time delivery in line with SLAs.</li><li>Proactively monitor resource capacity, resolve stakeholder conflicts, and manage escalations - providing clear direction to help the team navigate complex technical challenges.</li><li>Drive Continuous Service Improvement (CSI) initiatives to evolve validation practices, raise team KPIs, and enhance overall service quality.</li><li>Report on validation performance metrics and maintain high-quality documentation in both Japanese and English.</li></ul><p>Your Skills | 応募資格</p><ul><li>Minimum 10 years of experience in network design or provisioning, with deep knowledge of Optical/Ethernet/SDH/SONET, DWDM, and EoSDH/IP technologies.</li><li>At least 5 years of hands-on team leadership experience in a technical environment.</li><li>Japanese (native level) and English (business level or above)Strong written and verbal communication skills in both</li><li>Proven ability to produce high-quality business documentation and present technical concepts to non-technical stakeholders.</li><li>Proficiency in Microsoft Office tools including Visio, Word, PowerPoint, and Excel.</li><li>CCNP or CCIE certification is a plus.</li><li>Bachelor's or Master's degree in Electrical Engineering, Network Engineering, or a related discipline.</li></ul><p><br /> Key Highlights of the Role | おすすめのポイント</p><ul><li>Step into a senior leadership role with real influence over team performance, validation standards, and service quality.</li><li>Work at a global technology leader that values engineering depth - this is a role for a true network professional, not just a manager.</li><li>Join a collaborative, international team environment with strong support for career development and technical growth.</li><li>Contribute to meaningful Continuous Improvement initiatives that will shape how technical validation is done across the organization.</li></ul><p><br /> <br /> <br /> <strong>Location</strong><br /> <br /> Tokyo<br /> <br /> <br /> <br /> <strong>Salary</strong><br /> <br /> 8 - 12 million yen<br /> <br /> <br /> <br /> Reference Number: 67040-0013385198<br /> <br /> <br /> <br /> <em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><p><br /><br /></p><img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjUwOTQ4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-04-01T07:19:01Z
R&D Engineer
- Yamagata,
- remote
- Permanent
-
6.5M - 6.5M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A global manufacturer of advanced quartz and ceramic materials for the semiconductor and industrial sectors.</p><p> </p><p><strong>The Role</strong></p><p>R&D: Responsible for the research and development of new products and/or processes for quartz crucibles used in the silicon wafer manufacturing process.</p><p data-start="293" data-end="485">The Crucible R&D Engineer will take the lead in research and development activities for new products and processes related to crucibles used in the production of single-crystal silicon ingots.</p><p data-start="487" data-end="537">This role includes the following responsibilities:</p><ul data-start="539" data-end="1414"><li data-section-id="18l2xm3" data-start="539" data-end="674">Gain a thorough understanding of internal design limitations, manufacturing capabilities, and their impact on customer requirements</li><li data-section-id="67vgbe" data-start="675" data-end="766">Collaborate with the Customer Support team to identify and analyze customer pain points</li><li data-section-id="ikanst" data-start="767" data-end="858">Develop innovative solutions to address customer challenges through crucible technology</li><li data-section-id="18nyw7x" data-start="859" data-end="966">Identify opportunities to enhance internal manufacturing processes in terms of productivity and quality</li><li data-section-id="wcweip" data-start="967" data-end="1074">Analyze internal processes using a scientific and data-driven approach to determine effective solutions</li><li data-section-id="9fwxyd" data-start="1075" data-end="1148">Initiate and drive projects to implement proposed ideas and solutions</li><li data-section-id="5sn5dv" data-start="1149" data-end="1217">Plan and carry out experiments associated with assigned projects</li><li data-section-id="19qv8va" data-start="1218" data-end="1325">Work closely with relevant departments to advance projects toward commercialization and mass production</li><li data-section-id="13p99r" data-start="1326" data-end="1414">Perform intellectual property (IP) analysis and contribute to the creation of new IP</li></ul><p> </p><p><strong>Your Skills </strong></p><p data-start="77" data-end="93"><strong data-start="77" data-end="91">[Required]</strong></p><ul data-start="94" data-end="448"><li data-section-id="1xyr6et" data-start="94" data-end="204">Bachelor's degree or higher in a science or engineering-related field (or equivalent technical background)</li><li data-section-id="19kazgz" data-start="205" data-end="346">Minimum of 2 years of experience in new product and/or process development<br data-start="281" data-end="284" /> <em data-start="286" data-end="344">Candidates with early career experience are also welcome</em></li><li data-section-id="19uzeiy" data-start="347" data-end="448">Ability to read and understand English technical documents (use of translation tools is acceptable)</li></ul><p data-start="455" data-end="472"><strong data-start="455" data-end="470">[Preferred]</strong></p><ul data-start="473" data-end="754"><li data-section-id="1kqqq43" data-start="473" data-end="585">Experience or knowledge in a manufacturing or high-tech industry (e.g., materials or process-related fields)</li><li data-section-id="1i11mrn" data-start="586" data-end="681">Experience in structured new product development methodologies (e.g., stage-gate processes)</li><li data-section-id="13u4vbu" data-start="682" data-end="754">Experience working in an international or cross-cultural environment</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Yamagata</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>6.5 million yen-</p><p><strong> </strong></p><p>Reference Number: 06940-001340644</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/bG91aWUucmV5ZXMuNzM5ODAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-28T00:17:37Z
Backend Engineer
- Tokyo,
- remote
- Permanent
-
8.0M - 13.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A top-tier FinTech company in Japan that operates a massive cashless payment platform with over 70 million users (covering about 1 in 2 smartphone users). Its specialized mobile brokerage arm provides intuitive asset management services directly integrated within the payment app, aiming to transform Japan's investment landscape.</p><p><strong> </strong></p><p><strong>The Role</strong><br /> As a Backend Engineer, you will develop and operate the core backend application system for the mobile brokerage products. You will design highly complex, large-scale systems to handle massive transaction volumes and work as part of a newly establishing, globally sourced organization.</p><ul><li>Tech Stack: PHP, Java, SpringBoot, Kotlin, MySQL/AuroraDB, AWS, Microservices.</li></ul><p> </p><p><strong>Your Skills </strong></p><p>Required Qualifications</p><ul><li>Experience: 3-5 years of backend development for in-house products.</li><li>Programming Languages: Professional proficiency in Java or PHP (or high proficiency in Scala, Python, or Go with a willingness to learn).</li><li>Technical Depth: Strong foundation in data structures, algorithms, concurrency, NoSQL, and distributed computing.</li><li>Language Skill: Business-level English OR Japanese (JLPT N1 equivalent).Note: Applicants must currently reside in Japan.</li><li>Note: Applicants must currently reside in Japan.</li></ul><p><br /> Preferred Qualifications</p><ul><li>Experience with AWS, Microservices, and high-traffic/highly scalable systems.</li><li>Development experience in the fintech, securities, or banking sectors.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>High-Impact Foundation: Leverage a massive ecosystem and user base to build pioneering mobile securities services.</li><li>Organizational Impact: Join as a foundational member to help construct and scale a brand-new global engineering team.</li><li>Flexible Work Style: Enjoy high autonomy with a coreless Super Flex system and a hybrid/remote work environment.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>8 - 13 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013450794</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/WGlhb2NoZW4uU3VuLjEwNDAyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-06-09T04:46:17Z
Backend Engineer
- Tokyo,
- remote
- Contract
-
10.0M - 10.4M JPY / Yearly
- <p><strong>Role</strong></p><ul><li>Design and deliver high-performing, scalable backend systems.</li><li>Work closely with colleagues to achieve strong technical results.</li><li>Take part in code reviews, architectural conversations, and technical decision-making.</li><li>Spot areas for technical enhancement and optimization, and lead their execution.</li><li>Support technology choices and architectural planning for upcoming initiatives aligned with business goals.</li><li>Support, improve, and extend existing backend services.</li><li>Promote automation and best practices across testing, CI/CD, observability, and cloud-native engineering.</li><li>Guide less experienced team members to support stronger delivery.</li></ul><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10.4 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-0013412475</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuNjQ1OTkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-05-14T07:21:21Z
Software Engineer
- Tokyo,
- remote
- Permanent
-
15.0M - 15.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A fast-growing technology company operating a leading digital platform is expanding its engineering team to support continued product innovation and business growth. The company provides scalable software solutions in an international and highly dynamic environment.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Design, develop, and maintain web-based applications and backend systems</li><li>Collaborate with product managers and cross-functional teams to translate requirements into high-quality technical solutions</li><li>Participate in architecture design, code reviews, and continuous improvement of development processes</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Strong experience in software development using modern programming languages and frameworks</li><li>Solid understanding of web application architecture, databases, and APIs</li><li>Ability to work collaboratively in an agile, fast-paced development environment</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Opportunity to work on large-scale, user-facing software products</li><li>Exposure to end-to-end development in a growing technology organization</li><li>Collaborative environment with room to influence product and technical direction</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>15 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013419539</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><p><em> </em></p><img src="https://counter.adcourier.com/TmFuY3kuWXVhbi43OTgwNi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
- 2026-05-12T03:20:06Z
Database Engineer
- Tokyo,
- remote
- Contract
-
5.5M - 7.5M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A leading global internet services organization offering a broad range of solutions across e-commerce, fintech, digital content, and communications is looking for an Oracle Database Administrator.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>This position will primarily focus on providing overall support and technical leadership around Oracle Database Administration (DBA) activities, with a specialization in Exadata Cloud@Customer environments.</li><li>Manage and maintain Oracle databases across multiple environments, ensuring high availability, performance, and reliability.</li><li>Create and maintain database backups, replication, and disaster recovery strategies, including conducting DR switchover and failover activities.</li><li>Maintain database security, perform upgrades and patching, and carry out performance tuning to ensure optimal database health.</li><li>Monitor deployments to maintain database performance and conduct capacity planning to support business growth.</li><li>Write clear technical documentation and collaborate effectively with technical peers in an online/remote environment.</li><li>Apply strong analytical and problem-solving skills to address database issues with a high sense of responsibility and urgency.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>Proven experience as an Oracle Database Administrator, ideally with Exadata Cloud@Customer or similar Oracle engineered systems.</li><li>Strong knowledge of database backup, replication, and disaster recovery methodologies.</li><li>Experience with database security management, patching, upgrades, and performance tuning.</li><li>Excellent analytical and problem-solving skills with a detail-oriented approach and commitment to quality.</li><li>Strong communication and interpersonal skills, with the ability to collaborate with technical peers across teams.</li><li>Proactive, self-motivated, and capable of working with a high sense of responsibility in a fast-paced environment.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Take on a technically diverse DBA role spanning cloud and on-premise Oracle environments at enterprise scale.</li><li>Work within a globally recognized organization with a broad and complex technology ecosystem.</li><li>Play a critical role in ensuring high availability and resilience of mission-critical databases.</li><li>Join a collaborative and innovative team that values technical excellence and continuous improvement.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>5.5 - 7.5 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013415454</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/YXJ5YS5wYW11bmdrYXMuNTk5MTcuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-15T02:51:01Z
Cybersecurity Engineer
- Tokyo,
- remote
- Contract
-
6.0M - 7.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A leading internet services organization offering a broad range of solutions across e-commerce, fintech, digital content, and communications is looking for a Security professional.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>This position will primarily focus on performing audits and testing toward applications and systems within the organization and for its customers.</li><li>Perform comprehensive security audits and testing to identify vulnerabilities across network/infrastructure, web/API, mobile application, and GenAI systems, including source code and software component analysis using appropriate tools and following industry standards such as OWASP.</li><li>Create and manage vulnerability tickets to report findings identified during security testing.</li><li>Conduct kick-off meetings and connection checks to ensure all required test information is sufficient before commencing security audits and testing.</li><li>Communicate vulnerabilities and associated risks by adapting communication style to suit differing audiences.</li><li>Follow up on vulnerabilities and verify remediation results with the Development team.</li><li>Provide guidance and advice on vulnerability remediation, including secure design and implementation practices.</li><li>Review remediation actions or justification evidence provided by development teams to ensure effectiveness and compliance with security requirements.</li><li>Proactively contribute to the improvement of security audit and testing operations as well as team-wide processes.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>A passionate security professional with strong attention to detail and good communication skills.</li><li>Ability to understand, explain, and track vulnerabilities across a variety of systems and audiences.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Play a key role in securing a broad and diverse technology ecosystem spanning e-commerce, mobile, and fintech platforms.</li><li>Work across a wide range of security domains including network, web/API, mobile, and emerging GenAI systems.</li><li>Join a large, globally recognized organization with a strong culture of innovation and continuous improvement.</li><li>Opportunity to contribute to team-wide process improvements and shape the future of security audit operations</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>6 - 7 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013415461</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/YXJ5YS5wYW11bmdrYXMuOTcyOTUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
- 2026-04-15T02:03:17Z
Engineering Manager
- Tokyo,
- remote
- Contract
-
10.0M - 14.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><p>A fast-growing Manufacturing AI SaaS platform company, expanding globally across the US and Asia, is looking for an Engineering Manager to lead cross-border product development teams.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>The company is in a full-scale global expansion phase, with development teams spanning Japan and Vietnam, and is scaling a core AI-powered product at a rate far exceeding typical SaaS growth benchmarks.</li><li>You will lead the end-to-end development management of a key product - from goal-setting and roadmap execution to team design and quality standards - working closely with product and business stakeholders.</li><li>You will design and operate a collaborative development system between sites, managing time zone workflows, cross-cultural communication, and unified engineering standards.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Proven experience leading a development organization and contributing directly to product growth and customer outcomes.</li><li>People management experience including recruitment, evaluation, and organizational design.</li><li>Hands-on background as a software engineer with experience building and operating products.</li><li>Business-level Japanese (JLPT N2 or equivalent) and business-level English, both mandatory.</li><li>Experience managing multinational development teams.</li></ul><p>Tech Stack </p><ul><li>Frontend: TypeScript, React, Next.js</li><li>Backend: Rust (axum), TypeScript, Node.js (Express, Fastify, NestJS)</li><li>ML & Algorithms: Python, PyTorch, TorchServe, OpenCV, Elasticsearch, Vertex AI</li><li>Infrastructure: Google Cloud, GKE, Istio, Cloudflare, Argo Workflows</li><li>DevOps: GitHub Actions, ArgoCD, Terraform, Datadog, Sentry</li><li>Data: PostgreSQL, AlloyDB, BigQuery, dbt</li><li>API: GraphQL, REST, gRPC</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Drive product decisions that directly impact the cost structure and operations of global manufacturing customers.</li><li>Gain rare experience designing and leading a distributed, cross-cultural engineering organization across multiple countries.</li><li>Work alongside world-class technical leadership to tackle an unprecedented challenge in a massive, historically underserved industry.</li><li>Join a company at an inflection point - global expansion is underway, and this role sits at the center of that growth.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 14 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013408052</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information </em></p><img src="https://counter.adcourier.com/T25kcmVqLlphdGxvdWthbC4yNjA3OS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
- 2026-03-27T06:45:17Z
IT Consultant
- Tokyo,
- remote
- Permanent
-
5.0M - 5.0M JPY / Yearly
- <p><strong>Company Profile</strong></p><ul><li>A growth-stage company is seeking a professional to support the advancement of its business and organizational capabilities in a dynamic environment. This opportunity is ideal for someone who can contribute specialized expertise, collaborate with internal stakeholders, and help drive operational excellence within a fast-evolving organization.</li></ul><p> </p><p><strong>The Role</strong></p><ul><li>Lead and support key responsibilities related to the assigned function, ensuring smooth execution and continuous improvement</li><li>Collaborate with internal stakeholders to strengthen processes, enhance performance, and support business objectives</li><li>Contribute to the development and implementation of structured practices that improve operational effectiveness</li></ul><p> </p><p><strong>Your Skills</strong></p><ul><li>Relevant experience in the required function, with the ability to operate effectively in a professional environment</li><li>Proven ability to improve processes, coordinate with stakeholders, and contribute to team objectives</li><li>Business-level Japanese communication skills, with the ability to manage day-to-day tasks, written communication, and meetings in Japanese</li></ul><p> </p><p><strong>Key Highlights of the Role</strong></p><ul><li>Opportunity to make a meaningful impact in a growing organization</li><li>Hands-on position with strong exposure to cross-functional collaboration and process improvement</li><li>Dynamic role within an evolving and professional working environment</li></ul><p> </p><p><strong>Location</strong><br />Tokyo</p><p> </p><p><strong>Salary</strong><br />JPY 5,000,000 annual</p><p> </p><p><strong>Reference Number:</strong> 06940-0013421051</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/TWlraXRvLk5haXRvLjg2MDczLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
- 2026-05-07T06:35:20Z