16 results for Senior Data Engineer jobs

Database Engineer

Tokyo,
remote
Contract
6.0M - 8.0M JPY / Yearly
Company Profile | 企業概要 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. The Role | 職務内容 <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> Your Skills | 応募資格 <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> Key Highlights of the Role | おすすめのポイント <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>Location Tokyo Salary6 - 8 million yen Reference Number: 67040-0013415459 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuMjcwNzIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-04-23T03:02:18Z

Construction Specialist

Tokyo,
remote
Permanent
9.0M - 9.0M JPY / Yearly
The Role <ul><li data-section-id="s12nfa" data-start="62" data-end="217">Prepare pre-project planning materials for automated warehouse implementation (including cost estimation documentation and building/equipment planning)</li><li data-section-id="3e07pf" data-start="218" data-end="310">Manage construction activities for automated warehouse projects on behalf of the company</li><li data-section-id="1es7cuz" data-start="311" data-end="423">Facilitate construction-related meetings, manage issues and project costs, and support procurement processes</li><li data-section-id="1uxekb5" data-start="424" data-end="479">Prepare construction and installation documentation</li><li data-section-id="y0vpxv" data-start="480" data-end="543">Contribute to team planning and idea generation initiatives</li><li data-section-id="1oeqvbu" data-start="544" data-end="610">Provide administrative and operational support within the team</li></ul> <pre> </pre>Your Skills Must Have<ul data-start="656" data-end="1130"><li data-section-id="40gzv5" data-start="656" data-end="750">Experience in construction site management (equivalent to a lead or senior engineer level)</li><li data-section-id="spj7uz" data-start="751" data-end="827">Knowledge of schedule management, quality control, and safety management</li><li data-section-id="106ba8o" data-start="828" data-end="916">Strong communication skills to effectively collaborate with clients and stakeholders</li><li data-section-id="6thws7" data-start="917" data-end="1004">Proven problem-solving skills to address on-site challenges quickly and efficiently</li><li data-section-id="1mcz49d" data-start="1005" data-end="1091">Ability to create construction-related documents using Word, Excel, and PowerPoint</li><li data-section-id="mzaqy0" data-start="1092" data-end="1130">Willingness to travel domestically</li></ul> Nice to Have<ul data-start="1158" data-end="1251"><li data-section-id="1fuerp1" data-start="1158" data-end="1251">Ability to standardize processes and transform work into efficient, repeatable operations</li></ul><pre> </pre> Preferred<ul data-start="1276" data-end="1456"><li data-section-id="ko3djf" data-start="1276" data-end="1456">Business-level English proficiency Candidates with strong English skills may have opportunities to work on automated warehouse projects in the United States in the future</li></ul> Key Highlights of the Role <ul><li data-section-id="glekg1" data-start="1484" data-end="1514">Competitive salary package</li><li data-section-id="1uccs6w" data-start="1515" data-end="1532">Stock options</li><li data-section-id="z48ycm" data-start="1533" data-end="1572">Global and diverse work environment</li><li data-section-id="bcf5js" data-start="1573" data-end="1614">Exposure to cutting-edge technologies</li><li data-section-id="1eu405k" data-start="1615" data-end="1668">Opportunity to work with highly skilled engineers</li></ul> Location Tokyo Salary9 million yen Reference Number: 06940-0013404199 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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. <img src="https://counter.adcourier.com/dGFrdS55YW1hc2hpdGEuNTUzNzMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-04-09T08:42:21Z

Database Engineer

Tokyo,
remote
Contract
6.0M - 9.0M JPY / Yearly
Company Profile | 企業概要 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. The Role | 職務内容 The team is responsible for designing and managing large-scale Couchbase database environments, with a strong focus on Kubernetes-based deployments across production systems. You will serve as the senior technical authority for Couchbase, leading lifecycle management, performance optimization, and incident resolution across critical database infrastructure. Reporting into the Database leadership, you will mentor junior DBAs, drive best practices, and collaborate closely with development, SRE, and operations teams. You will lead end-to-end database projects - from planning and design through to execution, monitoring, and closure. Your Skills | 応募資格 8+ years of progressive Database Administrator experience, with at least 3+ years specifically in Couchbase. Deep expertise in Couchbase architecture, N1QL, indexing, replication, and Cross Data Center Replication (XDCR). Hands-on experience managing Couchbase on Kubernetes platforms (GKE, EKS, AKS, or OpenShift). Proficiency in scripting languages such as Python or Bash for automation. Familiarity with monitoring tools such as Prometheus, Grafana, or Splunk. Experience with cloud platforms (AWS, Azure, GCP) and Infrastructure as Code tools like Terraform is a plus. Additional experience with MySQL or Elasticsearch is advantageous. Strong communication skills with the ability to explain complex technical concepts clearly. Key Highlights of the Role | おすすめのポイント Join a globally scaled engineering team managing database infrastructure for millions of users. Take ownership of Couchbase architecture and lifecycle management with real technical authority. Work with cutting-edge cloud-native and Kubernetes technologies in a high-impact environment. Mentor and lead junior DBAs while contributing to the strategic direction of the database landscape. Be part of a collaborative, cross-functional team alongside SRE, development, and operations. Location Tokyo Salary6 - 9 million yen Reference Number: 67040-0013410546 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuNzI4MDkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-04-01T02:36:51Z

Senior Process Engineer

Tokyo,
remote
Permanent
10.0M - 10.0M JPY / Yearly
Company ProfileA global leader in semiconductor equipment and materials engineering, this company provides cutting-edge manufacturing solutions to top-tier semiconductor and electronics manufacturers worldwide. With a strong presence in Japan, it supports advanced process technologies and innovation in high-tech production environments. The Role<ul><li>Lead development, optimization, and qualification of semiconductor processes for advanced manufacturing</li><li>Collaborate with cross-functional teams (R&D, manufacturing, and customers) to improve process performance and yield</li><li>Analyze process data, troubleshoot issues, and provide technical solutions to enhance productivity and quality</li></ul> Your Skills <ul><li>Strong experience in semiconductor process engineering (e.g., deposition, etch, or related fields)</li><li>Solid knowledge of process integration, data analysis, and yield improvement methodologies</li><li>Excellent communication skills with the ability to work in a global and cross-functional environment</li></ul> Key Highlights of the Role <ul><li>Opportunity to work with cutting-edge semiconductor technologies in a global environment</li><li>Exposure to collaboration with leading customers and internal international teams</li><li>Career growth potential within a market-leading high-tech organization</li></ul> Location Tokyo Salary10 million yen Reference Number: 06940-0013422499 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/bG91aWUucmV5ZXMuOTIyMjMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-05-14T05:04:35Z

R&D Engineer

Yamagata,
remote
Permanent
6.5M - 6.5M JPY / Yearly
Company ProfileA global manufacturer of advanced quartz and ceramic materials for the semiconductor and industrial sectors. The RoleR&D: Responsible for the research and development of new products and/or processes for quartz crucibles used in the silicon wafer manufacturing process.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.This role includes the following responsibilities:<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> Your Skills [Required]<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 Candidates with early career experience are also welcome</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>[Preferred]<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> Location Yamagata Salary6.5 million yen- Reference Number: 06940-001340644 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/bG91aWUucmV5ZXMuNzM5ODAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-04-28T00:17:37Z

Infrastructure Engineer

Tokyo,
remote
Contract
6.5M - 9.0M JPY / Yearly
Company Profile | 企業概要 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. The Role | 職務内容 This team of 17 (15 engineers, 2 project managers) is responsible for providing and maintaining the company's private cloud Kubernetes container platform. 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. Your Skills | 応募資格 5+ years of software development experience (requirement definition, design, test, implementation, release) using a statically typed language such as Java, C++, Golang, or Rust. 3+ years of infrastructure administration experience in production environments (Linux, Kubernetes, Istio, Nginx, Mesos, Marathon, etc.). Hands-on experience providing cloud platform services across 100+ servers (user-only experience is not sufficient). A careful and methodical approach to large-scale infrastructure operations. Willingness to join as a regular employee and participate in daily on-call rotation shifts. Key Highlights of the Role | おすすめのポイント Join one of Japan's most iconic tech companies and contribute to infrastructure powering services at massive scale. Clear leadership track - expected to grow into a virtual team lead role within six months. Work with cutting-edge cloud-native technologies including Kubernetes, Istio, and a fully private cloud environment. Be part of a collaborative, multinational engineering team using a modern, end-to-end DevOps toolchain. Location Tokyo Salary7 - 10 million yen Reference Number: 67040-06940-0013410551 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuOTA1MDQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-04-01T04:20:33Z

Product Manager

Tokyo,
remote
Permanent
10.0M - 15.0M JPY / Yearly
Company Profile A fast-growing travel tech company powering direct bookings for 8,000+ hotels across APAC is building its Gen AI product capability - and looking for the first PdM to own it end-to-end. The Role <ul><li>Travelers are moving from Google and OTAs to AI tools for planning and booking. Hotels not structured for AI discovery are becoming invisible - you'd be solving that at scale across APAC.</li><li>This is a net-new IC role reporting to the VP of Product, with a dedicated squad and four distinct workstreams: AEO (AI discoverability), agentic commerce via MCP/UCP protocols, traveler-facing AI agents, and an AI Concierge Manager for hotel operators.</li><li>You'll work day-to-day with the ML team, data engineers, backend devs, and Deep Learning Engineering Director - and be expected to get into bug investigation and QA when it matters.</li></ul> Your Skills <ul><li>5+ years of product management experience is required.</li><li>A minimum of 2 years building AI/ML-powered products is a hard requirement - candidates without this will not be progressed.</li><li>Working knowledge of AI agents, API design, and MCP/UCP protocols; you don't need to write the code, but you need to reason about the architecture.</li><li>You measure success in AI Discovery Share, zero-click conversions, and direct revenue - not feature delivery.</li><li>Professional English fluency required; Japanese proficiency is a plus.</li></ul> Key Highlights of the Role <ul><li>Be the first PdM owning Gen AI strategy at a company with real APAC hotel distribution - full mandate, no predecessor to inherit from.</li><li>OKRs are proposed bottom-up by PdMs; senior ICs operate with genuine autonomy over their roadmap.</li><li>Base-only compensation with no bonus split - higher monthly take-home than bonus-inclusive packages at comparable companies.</li><li>Full flextime, no core hours, hybrid 2 days in-office at Nishi-Shinjuku.</li><li>The entire interview process - including CV review - is conducted in English.</li></ul> Location Tokyo Salary 10 - 15 million yen Reference Number: 06940-0013418736 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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. <img src="https://counter.adcourier.com/S2hhbmcuTGUuMjc4MzkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-06-02T06:40:59Z

Backend Engineer

Tokyo,
remote
Contract
9.0M - 9.0M JPY / Yearly
[Department Overview]<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>[Position Outline]<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>[Responsibilities]<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>[Required Skills]<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> Location Tokyo Salary9 million yen Reference Number: 67040-0013396260 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjAwODQwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-08T06:17:32Z

Network & Server Engineer

Tokyo,
remote
Contract
10.0M - 12.0M JPY / Yearly
Company ProfileA 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. The Role<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> Your Skills <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> Key Highlights of the Role <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> Location Tokyo Salary10 - 12 million yen Reference Number: 06940-0013402488 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjE3NDg0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-22T00:40:02Z

SRE Engineer

Setagaya,
remote
Contract
6.0M - 9.0M JPY / Yearly
Company Profile | 企業概要 A global e-commerce and technology leader operating one of Japan's most widely used loyalty point ecosystems, seeking a senior Site Reliability Engineer. The Role | 職務内容s 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. Your Skills | 応募資格 5+ years of hands-on experience in SRE, infrastructure engineering, or a related discipline. Proven experience building and operating production systems on public or private cloud (AWS, GCP, Azure). Deep expertise in Kubernetes - design, build, operation, and scaling. Strong command of modern observability tooling such as Prometheus, Grafana, ELK Stack, or Datadog. Solid knowledge of UNIX internals, TCP/IP networking, and HTTP protocols. Experience with CI/CD pipelines (Jenkins, CircleCI, GitLab CI/CD) and scripting in Python or Shell. Track record of leading production incident management end-to-end, including RCA and preventative measures. Business-level English required; Japanese proficiency is a strong plus. Key Highlights of the Role | おすすめのポイント Own reliability for one of Japan's highest-traffic consumer platforms, processing transactions at massive scale. Drive meaningful SRE transformation - error budgets, toil reduction, and observability - with real organizational support. Collaborate with global, cross-functional teams in a truly international engineering environment. Join a company at the center of Japan's digital economy, with continued investment in its technology infrastructure.Location Tokyo Salary6 - 9 million yen Reference Number: 67040- 0013410548 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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. <img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuMzA0NzYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-04-01T02:55:09Z

Database Engineer

Tokyo,
remote
Contract
5.5M - 7.5M JPY / Yearly
Company ProfileA 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. The Role<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> Your Skills <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> Key Highlights of the Role <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> Location Tokyo Salary5.5 - 7.5 million yen Reference Number: 06940-0013415454 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/YXJ5YS5wYW11bmdrYXMuNTk5MTcuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-04-15T02:51:01Z

Software Engineer

Tokyo,
remote
Permanent
15.0M - 15.0M JPY / Yearly
Company ProfileA 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. The Role<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> Your Skills <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> Key Highlights of the Role <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> Location Tokyo Salary15 million yen Reference Number: 06940-0013419539 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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. <img src="https://counter.adcourier.com/TmFuY3kuWXVhbi43OTgwNi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-05-12T03:20:06Z

Backend Engineer

Tokyo,
remote
Contract
10.0M - 10.4M JPY / Yearly
Role<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>Location Tokyo Salary10.4 million yen Reference Number: 67040-0013412475 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuNjQ1OTkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-05-14T07:21:21Z

Storage Engineer

Tokyo,
remote
Contract
6.0M - 6.0M JPY / Yearly
Company ProfileOne of Japan's leading global technology companies, operating a diverse ecosystem of businesses across e‑commerce, fintech, digital content, and communications. The Role<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> Your Skills <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> Location Tokyo SalaryHourly rate: ¥3,340 Reference Number: 06940-0013395392 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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. <img src="https://counter.adcourier.com/YXJ5YS5wYW11bmdrYXMuNzgyMjYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-04-08T00:04:13Z

Network & Server Engineer

Tokyo,
remote
Contract
8.0M - 12.0M JPY / Yearly
Company Profile | 企業概要 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. The Role | 職務内容<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>Your Skills | 応募資格<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> Key Highlights of the Role | おすすめのポイント<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> Location Tokyo Salary 8 - 12 million yen Reference Number: 67040-0013385198 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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. <img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjUwOTQ4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-01T07:19:01Z

IT Consultant

Tokyo,
remote
Permanent
5.0M - 5.0M JPY / Yearly
Company Profile<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> The Role<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> Your Skills<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> Key Highlights of the Role<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> Location Tokyo Salary JPY 5,000,000 annual Reference Number: 06940-0013421051 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/TWlraXRvLk5haXRvLjg2MDczLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-05-07T06:35:20Z