17 results for Devops jobs

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

QA Lead Engineer

Tokyo,
remote
Contract
10.0M - 12.0M JPY / Yearly
Company Profile 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. The Role 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. 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. Your Skills <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>Tech Stack <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> Key Highlights of the Role <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> Location Tokyo Salary 10 - 12 million yen Reference Number: 06940-0013408087 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/T25kcmVqLlphdGxvdWthbC4yODcxNS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-04-06T08:50:46Z

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

Engineering Manager

Tokyo,
remote
Contract
10.0M - 14.0M JPY / Yearly
Company ProfileA 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. The Role<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> Your Skills <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>Tech Stack <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> Key Highlights of the Role <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> Location Tokyo Salary10 - 14 million yen Reference Number: 06940-0013408052 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 <img src="https://counter.adcourier.com/T25kcmVqLlphdGxvdWthbC4yNjA3OS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-03-27T06:45:17Z

Engineering & Technology Leader

Tokyo,
remote
Permanent
20.0M - 25.0M JPY / Yearly
Company Profile Multinational insurance powerhouse; one of the market leaders globally. The Role <ul><li>You'll be leading a large team of more than 60 people (engineers, analysts, SREs, team leaders, etc.) focused on major application development and system migration projects.</li><li>You'll still be very close to current and emerging technologies, despite being in a leadership role. This is not the role for someone purely to lead a team; technology leadership and a strong tech background is key.</li><li>You'll work with business stakeholders and non-tech stakeholders to ensure IT product and tech strategy is aligned with business needs.</li></ul> Your Skills <ul><li>At least N3 level Japanese is required for this role along with fluent English.</li><li>Experience of leading large engineering teams is essential in addition to still being hands on/close to technology.</li><li>You'll need to have a strong software development background and experienced in working to Agile methodologies.</li><li>Other parts of the tech stack include: Azure Kubernetes, Azure DevOps, Git, Java, Springboot, Kong.</li><li>Financial services experience is a bonus, but not essential.</li></ul> Key Highlights of the Role <ul><li>Gain large scale leadership experience at a globally recognized firm.</li><li>Don't just be a leader of people - be recognized as an owner/leader of technology.</li><li>A rare opportunity for conversational Japanese speakers.</li></ul> Location Tokyo Salary 20 - 25 million yen Reference Number: 06940-0013423323 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/VWJoaS5TYW5kZWVwLjY3MDgyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-24T04:50:48Z

Architect

Tokyo,
remote
Permanent
18.0M - 20.0M JPY / Yearly
Company ProfileOur client is a large insurance firm based in Tokyo. They have been operating in Japan for many years and millions of customers locally and globally. The Role<ul><li>The company realized that they need to modernize their core system to keep up with the market demand.</li><li>Experienced Technology Architect is needed to assure the success of this system modernization.</li></ul> Your Skills <ul><li>Experience: 12+ years of hands-on software/solution architecture experience, with 5+ years leading architecture for large-scale insurance modernization or financial services programs.</li><li>Domain Knowledge: Deep knowledge of life insurance processes (policy administration, underwriting, endorsements, billing, claims) and Japan regulatory considerations (FSA).</li><li>Tools & Modeling: Experience with architecture modeling tools , Visio, and collaboration tools</li><li>Communication and Leadership: Excellent ability to influence across technical and business stakeholders; proven track record of leading architecture reviews and guiding large teams.</li><li>Proficiency with cloud platforms (AWS/Azure) and modern cloud-native architectural patterns.</li><li>- Strong background in microservices, containerization (Docker), orchestration (Kubernetes), API management, and event-driven architectures.</li><li>Knowledge of API gateways and integration patterms.</li><li>Experience with data architectures (SQL and NoSQL), data integration, and data governance</li><li>Familiarity with core insurance platforms or successful modernizations.</li><li>Proficiency in at least one major programming language and experience with modern DevOps practices.</li><li>Language: Business level English, Conversation level Japanese</li></ul> Key Highlights of the Role <ul><li>Shape and define the overall technical architecture for large-scale mainframe modernization, influencing the company's future IT landscape.</li><li>Be at the forefront of introducing innovative technologies such as cloud-native solutions, microservices, API-driven integrations, and automation within a historically conservative area.</li><li>Play a critical role in aligning technical strategies with business objectives, ensuring seamless transition from legacy systems to modern, scalable architectures.</li><li>Address complex technical challenges related to legacy systems, data migration, security, and compliance, providing rewarding technical solutions.</li><li>Lead multidisciplinary teams including developers, engineers, and business stakeholders, fostering innovation and best practices.</li></ul> Location Tokyo Salary18 - 20 million yen Reference Number: 06940-0013409205 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/YWhtYWQucm95YW5pLjQyODM2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-27T02:44:32Z

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

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

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

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

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

Backend Engineer

Tokyo,
remote
Permanent
8.0M - 13.0M JPY / Yearly
Company ProfileA 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. The Role 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.<ul><li>Tech Stack: PHP, Java, SpringBoot, Kotlin, MySQL/AuroraDB, AWS, Microservices.</li></ul> Your Skills Required Qualifications<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> Preferred Qualifications<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> Key Highlights of the Role <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> Location Tokyo Salary8 - 13 million yen Reference Number: 06940-0013450794 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/WGlhb2NoZW4uU3VuLjEwNDAyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-06-09T04:46:17Z

Back End Engineer

Tokyo,
remote
Permanent
10.0M - 15.0M JPY / Yearly
Company ProfileA leading Japanese technology group that addresses social inconveniences by expanding major online advertising, booking platforms, and B2B SaaS business tools globally. The Role 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).<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> Your Skills ■Required Qualifications (MUST)<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> ■Preferred Qualifications (WANT)<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> Key Highlights of the Role <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> Location Tokyo Salary10 - 15 million yen Reference Number: 06940-0013450798 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/WGlhb2NoZW4uU3VuLjk4MzU3LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-06-10T01:52:34Z

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

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