17 results for Machine Learning Nlp Ai Engineer jobs

Data Scientist

Tokyo,
remote
Permanent
9.0M - 20.0M JPY / Yearly
Company ProfileA technology-driven company is developing data-enabled solutions to support business operations. The organization leverages advanced technologies to build products used in everyday workflows. The RoleYou will work in an environment where machine learning is applied to real products, collaborating across teams to deliver practical solutions. This role focuses on bridging advanced machine learning with real-world applications, including:<ul><li>Designing and implementing search and recommendation systems</li><li>Developing machine learning models for data processing and analysis</li><li>Applying generative AI (LLM) to product features</li><li>Conducting data analysis to address business needs</li><li>Designing and improving system architecture and data platforms</li><li>You will also work closely with a highly technical leadership team, including senior leaders with strong research backgrounds, driving the overall AI and technology strategy.</li></ul> Your Skills <ul><li>Experience in web application development (3+ years)</li></ul>Experience in at least one of the following:<ul><li>Machine learning or data-related development</li><li>Search or recommendation systems</li><li>Data processing and analysis</li><li>Cloud-based system design</li><li>Business-level Japanese</li></ul>Preferred:<ul><li>Experience with MLOps or LLM-related development</li><li>Experience with large-scale data systems</li><li>Leadership or project experience</li></ul> Key Highlights of the Role <ul><li>Work on real-world applications of machine learning</li><li>Opportunity to build and deploy production systems</li><li>Exposure to modern AI technologies</li><li>Work with a highly technical leadership team (PhD-level / research-driven)</li><li>Collaborative and product-focused environment</li></ul> Location Tokyo Salary9 - 20 million yen Reference Number: 06940-0013414682 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/TGluaC5EYW5nLjU1OTc0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-06T08:18:05Z

Data Scientist - ML/AI

Tokyo,
remote
Permanent
10.0M - 18.0M JPY / Yearly
Company ProfileThe team focuses on applying advanced analytics, machine learning, and emerging AI technologies to solve complex risk and decision-making challenges for enterprise clients across multiple markets. The RoleAs a Senior Data Scientist, you will design and deploy predictive models and AI solutions that support large-scale analytical initiatives such as risk modeling, fraud detection, forecasting, and decision intelligence. You will work with large datasets, develop machine learning and GenAI applications (LLMs, RAG, agent workflows), and collaborate with cross-regional teams to deliver solutions used by both internal stakeholders and external clients. The role also involves mentoring junior data scientists and contributing to the development of next-generation AI capabilities within the organization. Your Skills <ul><li>Degree in Statistics, Mathematics, Computer Science, or related field (Master's/PhD preferred)</li><li>~10+ years of experience in data science, ML, or statistical modeling</li><li>Strong skills in Python / R and SQL</li><li>Experience with predictive modeling and large datasets</li><li>Japanese and English - Business to High Business Level communication</li><li>Exposure to GenAI technologies is a plus</li></ul> Key Highlights of the Role <ul><li>Work on high-impact AI and data science projects used by global enterprises</li><li>Collaborate with international teams across APAC and global offices</li><li>Opportunity to work with GenAI, predictive modeling, and large-scale data platforms</li><li>Influence how advanced analytics and AI are applied in a complex, data-rich industry</li></ul> Location Tokyo Salary10 - 18 million yen Reference Number: 06940-0013382655 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/TGluaC5EYW5nLjgzODQyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-03-16T08:02:51Z

Data Scientist - ML/AI

Tokyo,
remote
Permanent
10.0M - 25.0M JPY / Yearly
The RoleThis 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.Responsibilities<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> Your Skills Must-Have:<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> Preferred:<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> Location Tokyo Salary10 - 25 million yen Reference Number: 06940-0013443979 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/TGluaC5EYW5nLjAyNjM4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-05-28T06:53:15Z

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

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

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

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

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

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
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

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

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

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
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

Data Consultant

Tokyo,
remote
Permanent
8.0M - 10.0M JPY / Yearly
Company ProfileA global financial services organization specializing in life and health risk solutions is expanding its Strategy & Analytics capability in Japan. The team supports business growth by improving how data is structured, managed, and translated into insights used for commercial and strategic decision-making. The RoleThis role sits at the intersection of data engineering, analytics, and business strategy. You will work closely with business stakeholders in Japan while collaborating with global data engineering teams to improve how data is organized, accessed, and utilized. Key responsibilities include:<ul><li>Improving data consistency and structure across internal data sources</li><li>Supporting data warehouse and data pipeline initiatives</li><li>Designing data models and schemas (Snowflake) to support analytics</li><li>Creating dashboards and visualizations (Power BI) to support decision making</li><li>Supporting business teams by translating data into actionable insights</li><li>Partnering with global teams to enhance data platforms and processes</li><li>Initially, the role will focus more on data infrastructure and data preparation, with increasing involvement in analytics and business insights over time.</li></ul> Your Skills <ul><li>Hands-on experience with SQL and Python</li><li>Experience working with data warehouses, ETL/ELT pipelines, or data modeling</li><li>Experience creating dashboards or business reporting (Power BI or similar tools)</li><li>Strong Japanese communication skills for business stakeholder interaction</li><li>Business-level English to collaborate with global technical teams</li><li>Ability to work independently and bridge business and technical teams</li></ul> Key Highlights of the Role <ul><li>Newly created role in a growing Strategy & Analytics team</li><li>Opportunity to work directly with business leaders and global technical teams</li><li>Blend of hands-on data engineering and business analytics</li><li>Chance to shape how data is structured and utilized within the Japan office</li><li>Long-term opportunity to grow as the data capability expands</li></ul> Location Tokyo Salary8 - 10 million yen Reference Number: 06940-0013402474 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/TGluaC5EYW5nLjQ0NTA0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-03-17T07:00:32Z

Data Scientist

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
The Role<ul><li>Work on data-driven decision making across core business functions</li><li>Partner with product, marketing, and leadership to optimize performance</li><li>Translate complex data into strategic insights and business actions</li><li>Opportunity to influence key product and growth initiatives</li></ul>What You'll Do<ul><li>Analyze large-scale user and transaction data to identify trends and opportunities</li><li>Support development of predictive and analytical frameworks</li><li>Define and track key business and product performance metrics</li><li>Collaborate cross-functionally to improve customer experience and operational efficiency</li><li>Provide insights that drive strategic decisions and future product direction</li></ul> Your Skills <ul><li>3-6 years in data science / analytics</li><li>Strong skills in SQL + Python (or similar)</li><li>Experience working with complex datasets in a business context</li><li>Ability to communicate insights to non-technical stakeholders</li><li>Curious, proactive, and comfortable with ambiguity</li></ul> Key Highlights of the Role <ul><li>High visibility role with direct business impact</li><li>Work closely with senior stakeholders</li><li>Blend of analytics + strategy + product thinking</li><li>International, fast-paced fintech environment</li></ul> Location Tokyo Salary8 - 12 million yen Reference Number: 06940-0013417953 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/TGluaC5EYW5nLjI2NzkzLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-14T07:09:28Z

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