40 results for Java Jobs in Tokyo, Tōkyō- Page 2

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Machine Learning Engineer, Researcher

Tokyo,
remote
Permanent
10.0M - 20.0M JPY / Yearly
Company ProfileA leading Japanese technology company operating a popular marketplace platform and digital payment services. The Role<ul><li>Research and develop advanced ML algorithms, particularly in NLP and information retrieval.</li><li>Explore and apply cutting-edge research to improve ML models.</li><li>Collaborate with cross-functional teams to translate research into practical solutions.</li><li>Stay current with the latest ML developments and academic publications.</li></ul> Your Skills <ul><li>PhD in AI, Machine Learning, or a related field preferred.</li><li>5-6+ years of industry experience in ML/AI research.</li><li>Strong algorithmic and research capabilities, with a solid understanding of ML fundamentals.</li><li>Expertise in NLP, information retrieval, recommendation systems, ad ranking, or computer vision.</li><li>Publications at leading AI/ML conferences (e.g., ACL) are highly valued.</li><li>Ability to critically evaluate and discuss recent academic research.</li></ul> Additional Information<ul><li>Location: Japan (relocation required).</li><li>Overseas applicants are welcome.</li><li>Relocation assistance provided.</li><li>Agentic AI experience is a plus, but not required.</li></ul> Location Tokyo Salary10 - 20 million yen Reference Number: 06940-0013536082 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/TGluaC5EYW5nLjIzNjcxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-11-04T01:47:08Z

Global IT Business Relationship Manager

Tokyo,
remote
Permanent
15.0M - 19.0M JPY / Yearly
Company Profile<ul><li>Global medical device manufacturer.</li></ul> The Role<ul><li>You will be the face of IT to the global finance, HR, and legal business units - you'll be working with leadership teams of those divisions to ensure IT and business strategy are aligned.</li><li>You'll make decisions on IT investment and develop mid to long-term technical roadmaps on a global scale.</li><li>These departments are still in early stages of transformation, so this role is essentially an opportunity to build from near zero-to-one.</li></ul> Your Skills <ul><li>Fluent English is required and business Japanese is a 'nice to have' if the other conditions are met.</li><li>Prior IT transformation for a finance division within a 'tangible product' company (not from a purely service background) is required for this role.</li><li>Experience gained from a HQ environment is perfect, though we can consider people with a regional scope in a similar role. Purely local coverage experience will not be suitable.</li><li>Knowledge of the IT systems that support finance / HR operations (e.g. SAP or equivalent).</li><li>This role could also be a good match for someone from a consulting firm who wishes to move in-house.</li></ul> Key Highlights of the Role <ul><li>Global role in a company whose products impact the lives of millions of patients worldwide.</li><li>The opportunity to work from HQ in a highly strategic and stakeholder-management focused role.</li></ul> Location Tokyo Salary15 - 19 million yen Reference Number: 06940-0013529408 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/VWJoaS5TYW5kZWVwLjA5MTg0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-10-26T06:16:21Z

Security Technical Support

Tokyo,
remote
Contract
10.0M - 12.0M JPY / Yearly
Company ProfileA major Japanese global manufacturer is strengthening its internal security support capability and is looking for an L1/L2 Security Support Specialist to join its security operations function. The Role<ul><li>You will be the first and second line of security support, receiving security tickets and alerts, performing initial analysis and triage, and resolving or escalating issues with clear documentation.</li><li>You will support vulnerability management, access-related requests and basic security configuration tasks.</li><li>You will work closely with internal IT teams, the SOC (if present) and external vendors.</li><li>You will maintain accurate ticket records and help improve the knowledge base and runbooks.</li><li>Shift coverage or on-call rotation may apply, depending on the operating model.</li></ul> Your Skills <ul><li>Business-level Japanese is mandatory. English is a plus.</li><li>Experience in security operations, SOC or IT security support at L1/L2 level.</li><li>Familiarity with common security tools such as SIEM, EDR, ticketing systems and vulnerability scanners.</li><li>Ability to analyse logs and alerts and distinguish genuine issues from noise.</li><li>Clear communication skills, able to explain technical issues to both technical and non-technical users.</li><li>Previous experience in a large Japanese manufacturing or consumer goods environment is helpful but not mandatory.</li></ul> Key Highlights of the Role <ul><li>Build solid operational security experience inside a large enterprise.</li><li>Clear L1/L2 scope with defined processes and escalation paths.</li><li>Work with internal IT, security stakeholders and vendors in a stable corporate environment.</li><li>Join a major Japanese global manufacturer on a gyomu itaku contract, based in Tokyo with hybrid working.</li></ul> Location Tokyo Salary10 - 12 million yen Reference Number: 06940-0013517623 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/SGluc29uLkxldW5nLjU3MzIzLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-10-02T04:34:47Z

Cybersecurity Compliance Assessor

Tokyo,
remote
Contract
20.8M - 20.8M JPY / Yearly
Company ProfileA global technology company developing next-generation mobility, software, and connected technology solutions. The Role<ul><li>Conduct cybersecurity and controls assessments against various security frameworks, standards, and internal requirements.</li><li>Validate control effectiveness through evidence-based reviews, interviews, and system investigations rather than relying solely on stakeholder attestations.</li><li>Identify control weaknesses, compliance gaps, and improvement opportunities, while documenting findings and communicating recommendations to stakeholders.</li></ul> Your Skills <ul><li>Experience in cybersecurity compliance, IT audit, risk assessment, internal controls, or information security governance.</li><li>Strong understanding of security frameworks and standards such as ISO 27001, NIST, SOC, CIS Controls, or similar compliance requirements.</li><li>Ability to review technical evidence, challenge assumptions, analyze enterprise systems, and prepare clear assessment reports.</li></ul> Key Highlights of the Role <ul><li>Work across a wide range of cybersecurity frameworks, controls, and enterprise technologies.</li><li>Collaborate with stakeholders across multiple business functions while influencing cybersecurity maturity and governance improvements.</li></ul> Location Tokyo Salary10,000 yen hourly Reference Number: 06940-0013516706 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/V2lsbC5GaXRjaC4xNDE0Ny4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-10-16T06:29:37Z

BPR Consultant

Tokyo,
remote
Contract
14.6M - 18.7M JPY / Yearly
Company ProfileWe are seeking a BPR Consultant to support a large enterprise organization in enhancing and standardizing budget management operations. This role will focus on providing advisory support for operational improvement initiatives, helping the organization move toward more efficient, system-driven financial processes. The ideal candidate will bring strong finance domain expertise, experience working in complex organizations, and the ability to communicate effectively with senior stakeholders. The Role<ul><li>Provide advisory support for the enhancement and standardization of budget management operations</li><li>Support initiatives to improve finance processes and reduce dependency on Excel-based workflows</li><li>Contribute to discussions around budget management system implementation</li><li>Assist with management framework redesign efforts in preparation for S/4HANA migration</li><li>Support the review of cost center hierarchy and related finance structures</li><li>Work closely with the Finance function on day-to-day activities and stakeholder communication</li></ul> Your Skills Required Qualifications<ul><li>Practical experience or consulting experience in the finance domain</li></ul>Preferred Qualifications<ul><li>Experience with budget management operations in a large enterprise environment</li><li>Knowledge of SAP ERP FICO or S/4HANA FICO</li><li>Native level Japanese language skills</li></ul> Location Tokyo Salary14.56 - 18.72 million yen Reference Number: 06940-0013524412 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/Z2FpbC5jYW5ldGUuMDcwODEuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-10-13T07:40:46Z

Chief of Data

Tokyo,
remote
Permanent
15.0M - 18.0M JPY / Yearly
Company Profile<ul><li>Renewable energy company covering retail electricity, batteries, solar development, and plant operations is looking for a Chief Data Officer.</li></ul> The Role<ul><li>Executive-team member owning the company-wide data and AI strategy, aiming for data-driven management centered on renewable energy.</li><li>Lead the "One Data Platform" initiative to integrate and visualize all company data: architecture, pipelines, DataOps/MLOps, self-service analytics, and LLM applications.</li><li>Build data and AI governance (quality, security, privacy, GDPR/APPI compliance, responsible AI policy).</li><li>Lead the Data Management Office (governance, quality, analytics, education teams) and work with business units on AI/ML and BI adoption.</li></ul> Your Skills<ul><li>Experience building and executing a data strategy aligned with corporate strategy.</li><li>Hands-on expertise building and operating data platforms (DWH, data lake, cloud, ETL).</li><li>Practical AI, BI, and analytics experience with proven business impact.</li><li>Deep knowledge of data and AI governance, security, and privacy.</li><li>Proven cross-organizational leadership and strong executive-level communication.</li><li>Business-level English (English only is acceptable; Japanese conversational is a bonus).</li><li>Preferred: CDO or Head of Data experience, generative AI/LLMs, AWS/GCP/Azure, renewable energy or infrastructure domain.</li><li>Stack: Databricks, Python, SQL/BigQuery/Redshift, MLflow/Airflow, Tableau/Looker.</li></ul> Key Highlights of the Role<ul><li>Executive seat shaping data strategy at a renewable energy company.</li><li>Leadership of a full data organization with four specialized teams.</li><li>Full benefits: employee stock ownership plan, 124 annual holidays, flexible hours and hybrid work.</li></ul> Location Tokyo Salary15 - 18 million yen Reference Number: 06940-0013522032 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/TmFuY3kuWXVhbi4yNDc2My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-10-09T02:17:20Z

Master Data Governance Project Manager

Tokyo,
remote
Contract
24.0M - 24.0M JPY / Yearly
<pre class="tw-data-text tw-text-large tw-ta" dir="ltr" tabindex="-1" data-placeholder="翻訳" data-ved="2ahUKEwiRkuTQ1L-WAxWRs1YBHZHFBOkQ3ewLegQICRAV">Team: Solution Delivery (Enterprise Systems) Responsibilities:</pre><ul><li>Lead end-to-end PMO and workstream management to consolidate corporate legacy back-office platforms into global platforms (SAP S/4HANA, Salesforce, SuccessFactors). </li><li>Manage complex global stakeholder structures, budgets, and risks while driving cross-functional integration across IT infrastructure and business domains. </li><li>Lead vendor selection processes and oversee external system integrators (SIs) within delivery frameworks based on Agile or PMBOK methodologies. </li></ul><pre class="tw-data-text tw-text-large tw-ta" dir="ltr" tabindex="-1" data-placeholder="翻訳" data-ved="2ahUKEwiRkuTQ1L-WAxWRs1YBHZHFBOkQ3ewLegQICRAV">Qualifications:</pre><ul><li>Proven track record as a project manager leading S/4HANA migration or full-cycle implementation projects at a global company. </li><li>In-depth knowledge of ERP system integration, cloud infrastructure, and data flows. Preferred certifications: PMP, PRINCE2, or Certified ScrumMaster.</li></ul> Location Tokyo Salary24 million yen Reference Number: 67040-0013481538 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/SGluc29uLkxldW5nLjgzMTkxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-08-27T08:35:42Z

Product Manager

Tokyo,
remote
Permanent
12.0M - 12.0M JPY / Yearly
Company ProfileA leading SaaS company driving digital transformation for businesses through innovative cloud-based products. With a growing product portfolio and a strong focus on customer value, the company is investing in experienced product leaders to shape the next phase of product growth and market expansion. The Role<ul><li>Lead product strategy and development for a flagship B2B SaaS platform</li><li>Identify customer needs through user research, product feedback, and data analysis</li><li>Define and validate new features and product improvements with users, designers, and engineers</li><li>Drive stakeholder alignment and prioritize initiatives from concept through launch</li><li>Partner with cross-functional teams to ensure successful product adoption and business impact</li><li>Influence product growth, market fit, and long-term product direction</li></ul> Your Skills Requirements<ul><li>7+ years of Product Management experience in SaaS or web-based products</li><li>Proven success leading complex initiatives involving senior leadership and multiple stakeholders</li><li>Expertise in at least one of the following:</li></ul><ol><ol><li>Software architecture or data design</li><li>UX research or interaction design</li><li>Go-to-Market strategy and growth initiatives</li><li>Product roadmap development and team development</li></ol></ol><ul><li>Strong communication and stakeholder management skills</li></ul> Preferred<ul><li>Experience launching or scaling B2B SaaS products</li><li>Customer-centric and data-driven approach to decision-making</li><li>Ability to balance strategic planning with hands-on execution</li></ul> Key Highlights of the Role <ul><li>Own strategy and growth for a market-leading SaaS product</li><li>Partner closely with executives, engineers, and designers</li><li>Drive product-market fit and long-term product evolution</li><li>High-impact role with significant influence on business growth</li></ul> Location Tokyo Salary12 million yen Reference Number: 06940-0013501949 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/c3VlLnRpbmcuMzI0NzkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-10-08T01:43:15Z

IT Security Consultant

Tokyo,
remote
Contract
191000 - 19.0M JPY / Yearly
The Role<ul><li>Support governance, risk, and compliance activities across the IT environment to align security efforts with business objectives and industry standards.</li><li>Provide day-to-day information security operational support, including monitoring alerts, investigating anomalies, supporting audits, and maintaining documentation.</li><li>Contribute to change management, incident response, management reporting, and continuous improvement of security architecture and controls.</li></ul>Your Skills<ul><li>Strong knowledge and hands-on experience with information security management and risk frameworks such as ISO and NIST.</li><li>Practical experience managing regulatory inquiries, audits, remediation efforts, and security operations in controlled environments.</li><li>Strong collaboration and communication skills, with the ability to work effectively across security, legal, IT, risk, finance, controls, and HR functions.</li></ul>Key Highlights of the Role<ul><li>Focus on governance, risk, and compliance within a secure IT environment.</li><li>Opportunity to support regional and global security reporting, audit readiness, and operational resilience.</li><li>Close partnership with cross-functional teams to strengthen the overall cybersecurity control framework.</li></ul> Location Tokyo Salary19 million yen Reference Number: 67040-0013474138 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/SGluc29uLkxldW5nLjkyNzUxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-08-14T05:28:18Z

Product Manager

Tokyo,
remote
Permanent
15.0M - 24.0M JPY / Yearly
Company ProfileTSE-listed hospitality tech company providing an integrated digital platform to 10,000+ properties across APAC is looking for a VP of Product. The Role<ul><li>Reporting to the CPO, you will set OKRs and own the roadmap, PM organization and delivery for a variety of products: booking and payment...</li><li>You will lead a team of 5-8, partnering with the existing Lead, and build an AI-native team.</li><li>You will further scale the products from 1 to 10 while build up the AI foundation for product team across APAC area</li></ul> Your Skills<ul><li>7+ years in Product Management, including 3+ years leading PM teams in e-commerce, FinTech, marketplaces or transactional platforms with proven revenue impact.</li><li>Deep knowledge of pricing, conversion optimization, payment infrastructure and unit economics.</li><li>Experience with multi-channel distribution and OTA partnerships is preferred, ideally in hospitality, travel-tech or similar.</li><li>Familiarity with AI agent architectures, and the ability to work cross-culturally in APAC.</li></ul> Key Highlights of the Role<ul><li>Full autonomy over roadmap, team structure and delivery cadence.</li><li>Direct ownership of the core revenue engine and its impact.</li><li>Lead the shift toward AI-driven "Outcome-as-a-Service" alongside the CxO team.</li><li>We are looking for international teammates, you will actively use English at work</li><li>Competitive salary</li></ul> Location Tokyo Salary 15 - 24 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/TmFuY3kuWXVhbi43MjEwOS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-10-01T06:31:49Z

[In-house] - Global IT Governance Manager - Manufacturing

Tokyo,
remote
Permanent
10.0M - 16.0M JPY / Yearly
Company ProfileA global automotive components and mobility solutions company, formed through the integration of several established manufacturers. The company designs, manufactures, and sells components, systems, and services for automotive, transportation, and industrial machinery applications across the Americas, Europe, China, Asia, and Japan. The Role Goal of the role<ul><li>You will drive the development of IT policies and processes and lead governance-focused improvements to IT operating processes company-wide.</li><li>The team is responsible for building, embedding, and enforcing IT governance across both global and regional IT organizations. It also owns IT audit activities. In addition, the team maintains and updates the company's IT policies and internal regulations, ensuring a complete and well-organized IT policy framework.</li></ul>Key Responsibilities<ul><li>Review and standardize IT policies across all five global regions</li><li>Build and maintain a company-wide IT policy framework</li><li>Drive process improvements to strengthen IT governance</li><li>Lead IT audit documentation, compliance reporting, and governance guidelines</li><li>Design and operate IT governance frameworks (e.g., COBIT, TOGAF) - principles, policies, roles, and processes</li><li>Align IT governance with enterprise risk management and business continuity</li><li>Shape IT governance culture through training, ethics, and cross-functional collaboration with HR</li></ul> Your Skills <ul><li>(Must) 15+ years in IT, with hands-on IT governance experience</li><li>Strong communication skills; Fluent-level Japanese; business-level English (TOEIC 900+ or equivalent)</li><li>Framework expertise (COBIT, TOGAF) and IT risk management background</li><li>Strong analytical, facilitation, and stakeholder alignment skills</li></ul> Location Tokyo Salary10 - 16 million yen Reference Number: 06940-0013509251 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/RnJhbmNlcy5GYW4uMjI1MzguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-09-24T05:28:03Z

Project Manager - Network Migration

Tokyo,
remote
Contract
13.2M - 13.2M JPY / Yearly
Job DescriptionWe are seeking a Project Manager to lead complex network and infrastructure projects from start to finish. This role is responsible for managing multiple initiatives, including network migration, hardware refresh, and wide area network transition programs.Key responsibilities include developing and maintaining project plans, schedules, budgets, and RAID logs across all workstreams. The Project Manager will coordinate with global IT teams, regional site contacts, and external vendors to ensure smooth delivery and alignment across all project activities.The role also includes managing vendor deliverables related to hardware procurement and migration services, running governance meetings, preparing status reports, and supporting change management processes. The Project Manager will identify and mitigate risks, escalate issues when needed, and help ensure projects are completed on time, within scope, and within budget.In addition, this position requires strong bilingual communication skills to bridge coordination between Japanese-speaking local teams and English-speaking global or regional teams.Location Tokyo Salary 13.2 million yen Reference Number: 67040-0013499573 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/YWhtYWQucm95YW5pLjgxNDQxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-09-16T07:55:25Z

Data Scientist - ML/AI

Tokyo,
remote
Permanent
9.0M - 14.0M JPY / Yearly
Company ProfileA major Japanese internet services conglomerate is hiring a Senior Data Scientist for its global ad technology division. The division runs the advertising systems behind the group's e-commerce and digital services, with a diverse team spread across Japan, Singapore, India, China, and the UK. The Role<ul><li>The in-house ad serving platform handles tens of thousands of QPS at under 100ms latency and processes tens of billions of log records each month. It is now strengthening the in-house development of its core algorithms to set itself apart in a competitive, AI-driven market.</li><li>You will drive ad delivery optimization end to end, from problem definition and KPI design through modeling, online deployment, evaluation, and continuous improvement.</li><li>Your focus will be on price optimization, CTR/CVR and value prediction, and creative optimization, including feature engineering and offline evaluation and simulation.</li><li>You will design A/B tests and bandit experiments, plan rollouts, and build MLOps pipelines with monitoring, drift detection, and automated rollback.</li><li>You will join a team of about 20 engineers (SRE, backend/frontend, data, SDK, QA) and work closely with product, engineering, and sales/operations stakeholders.</li></ul> Your Skills Mandatory<ul><li>5+ years of hands-on data analysis and machine learning experience with Python and SQL (Pandas, NumPy, scikit-learn)</li><li>Experience processing large-scale data (e.g., Spark, BigQuery) and building reproducible analytics environments</li><li>A strong foundation in statistics, causal inference, and experimental design, including A/B test design and analysis</li><li>Experience developing ML models (GBDT, logistic regression, simple neural networks) with rigorous offline/online evaluation and calibration</li><li>Knowledge of digital advertising (CTR/CVR prediction, bidding, budget pacing), or optimization experience in an adjacent domain</li><li>Production experience with model deployment, pipeline operations, monitoring, and drift detection</li><li>A degree in computer science, statistics, applied mathematics, or a related field, or equivalent practical experience</li><li>Fluent English, or TOEIC 800+ or equivalent</li></ul> Desired<ul><li>Knowledge of ad auctions and mechanism design (first-/second-price auctions, bid shading, reserve price optimization)</li><li>Hands-on experience with price optimization methods such as Bayesian optimization, contextual bandits, or reinforcement learning</li><li>Experience with creative optimization, streaming platforms (Kafka/Flink/Beam), and real-time inference</li><li>MLOps practices (feature stores, CI/CD, Docker/Kubernetes) and GCP experience (BigQuery, Vertex AI, Dataflow)</li><li>Business-level Japanese (JLPT N2 or equivalent)</li></ul> Key Highlights of the Role <ul><li>Build the core algorithms of a large-scale ad platform used across one of Japan's largest internet ecosystems.</li><li>Take ownership of the full ML lifecycle, from hypothesis to production, with real business impact.</li><li>Work hands-on with high-traffic, low-latency systems and big data on a modern GCP stack.</li><li>Collaborate in a multinational team across five countries and work alongside leading external ad platforms.</li></ul> Location Tokyo Salary9 - 14 million yen Reference Number: 06940-0013531637 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/U21haWwuU2FmaS41MTE5MS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-10-26T02:19:29Z

Senior MLOps Engineer

Tokyo,
remote
Permanent
10.0M - 25.0M JPY / Yearly
The Role<ul><li>Design and maintain scalable ML deployment and inference infrastructure.</li><li>Manage GPU-based workloads for model training and inference.</li><li>Build and optimize production pipelines for ML and LLM applications.</li><li>Improve system reliability, monitoring, and operational efficiency.</li><li>Collaborate with ML researchers and software engineers to productionize models.</li><li>Drive technical improvements and introduce new infrastructure solutio</li></ul> Your Skills <ul><li>5+ years of experience in MLOps or software engineering with substantial ML infrastructure exposure.</li><li>Hands-on experience deploying and operating ML models in production.</li><li>Strong Python, Kubernetes, and cloud infrastructure experience.</li><li>Experience with GPU computing, distributed systems, and infrastructure automation.</li><li>Understanding of system monitoring, reliability, and production operations.</li><li>Strong ownership mindset and ability to work independently.</li><li>Professional English communication skills.</li></ul> Key Highlights of the Role <ul><li>Production experience with LLMs or other generative AI models.</li><li>Experience with high-performance model serving and inference optimization.</li><li>Familiarity with GPU infrastructure, serving frameworks, and cost optimization.</li><li>Experience building ML infrastructure at scale.</li></ul> Location Tokyo Salary10 - 25 million yen Reference Number: 06940-0013536096 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/TGluaC5EYW5nLjAzNzc4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-11-04T02:06:18Z

BT ICM

Tokyo,
remote
Contract
6.0M - 6.0M JPY / Yearly
Company ProfileA leading global technology and digital services company is seeking an experienced BT ICM professional to support and enhance its enterprise technology infrastructure. The Role<ul><li>Manage and support enterprise IT infrastructure and operational services across multiple business functions.</li><li>Collaborate with internal stakeholders and technical teams to ensure system stability, performance, and continuous improvement.</li></ul> Your Skills <ul><li>Experience in IT infrastructure management, IT operations, service management, or a related technology function.</li><li>Strong understanding of enterprise systems, network infrastructure, cloud technologies, and IT service processes.</li></ul> Key Highlights of the Role <ul><li>Opportunity to support large-scale enterprise systems within a globally recognized technology-driven organization.</li></ul>Location Tokyo Salary500,000　yen　monthly Reference Number: 06940-0013492767 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/YWhtYWQucm95YW5pLjE0MDEwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-09-03T08:01:27Z

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