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Technology Jobs in Chuo, Japan (Now Hiring) — 5 open

GAIDOOR株式会社 logoGAIDOOR株式会社

【年収600~2500万円】LLM Scientist | Fast-Growing AI & Cloud Data Transformation Company

Chuo, Japan · Hybrid

$6000k–$25000k/yr

Mid level

We are currently partnering with a fast-growing AI & Data consulting company in Japan that is actively expanding its Generative AI and Large Language Model (LLM) division and is now looking for both LLM Scientists and Se…

Skills: Large Language Models, Generative AI, RAG, Prompt Engineering, AI Agents

GAIDOOR株式会社 logoGAIDOOR株式会社

Social Media Marketing Specialist – Taiwan Market (Data-Driven / Global Expansion)

Chuo, Japan · Hybrid

$4000k–$6000k/yr

Mid level

One of our top clients, one of the largest product comparison services in the market, currently experiencing rapid global growth, is hiring a Social Media Marketing professional to support and expand the Taiwan market. T…

Skills: Social Media Marketing, Data Analysis, Copywriting, Content Strategy, Google Analytics

GAIDOOR株式会社 logoGAIDOOR株式会社

Tokyo → Indonesia Business Expansion Lead・LINEヤフーグループ自社サービス【IPO準備中のグローバル展開するベンチャー企業】

Chuo, Japan · Hybrid

Senior

One of our top clients, one of the largest product comparison services in the market, currently experiencing rapid global growth, is hiring an Indonesia Business Expansion Lead to drive cross-functional initiatives that …

Skills: Project Management, Business Expansion, Stakeholder Coordination, B2C Growth, SEO

GAIDOOR株式会社 logoGAIDOOR株式会社

Global Business & Project Lead LINE・Yahoo group(IPO準備中)【Shape Our Overseas Expansion】

Chuo, Japan · Hybrid

Mid level

世界的なサービスへと飛躍していく過程で、社内の横断的な組織開発を行い、各国(地域)のプロジェクトをリードする人材として働いてみませんか? 企業について 株式会社マイベストは、「選ぶを楽しく、選ぶを自由に」というミッションのもと、商品比較・おすすめサービス「mybest」を国内外で展開するテックカンパニーです。 日用品から家電、コスメ、食品まで、生活に密着したあらゆるジャンルで、ユーザー目線に立った“本当に信頼できる情報”を提供しています…

Skills: Project Management, Stakeholder Management, Organizational Management, SEO, Social Media Marketing

GAIDOOR株式会社 logoGAIDOOR株式会社

【年収 500 ~ 2500万】AI Consultant / Enterprise AI Transformation & AI Governance Consulting for Major Financial Institutions in Japan

Chuo, Japan · Hybrid

$5000k–$25000k/yr

Mid level

Job Description We are currently partnering with a fast-growing AI & Data consulting company in Japan that is actively expanding its AI & Data division and is now looking for both AI Consultants and Senior AI Consultants…

Skills: AI Strategy, AI Governance, Enterprise DX, Generative AI, Project Management

GAIDOOR株式会社 logo

【年収600~2500万円】LLM Scientist | Fast-Growing AI & Cloud Data Transformation Company

GAIDOOR株式会社

Chuo, Japan • Hybrid

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Mid level

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  • $6000k–$25000k/yr
  • Full-time
  • bachelor degree, postgraduate degree
  • Defined Contribution Pension Plan, Learning & Self-development Support, Internal/External Networking Support Budget, Sports & Wellness Allowance, Full Annual Health Check Support, Full Influenza Vaccination Support
  • Posted 12d ago
  • Apply by Jul 16
  • ~40 hrs/week

Responsibilities

Design, develop, and evaluate enterprise-grade Generative AI applications and RAG systems. Collaborate with consultants and engineers to translate business requirements into production-ready AI solutions and governance frameworks.

Requirements

Requires a Bachelor's degree in a technical field, 1+ years of professional AI/ML experience, and business-level Japanese (JLPT N2). Experience with LLM integration and prompt engineering is essential.

Full job description

We are currently partnering with a fast-growing AI & Data consulting company in Japan that is actively expanding its Generative AI and Large Language Model (LLM) division and is now looking for both LLM Scientists and Senior LLM Scientists.

Please note that prior financial industry experience is NOT required.

For foreign candidates, a valid Japanese work visa and at least JLPT N2-level Japanese (or equivalent business Japanese communication skills) are required to apply.

Position Levels

• Junior / Mid-Level: ¥6M – ¥10M JPY
• Senior Level: ¥10M – ¥25M JPY

The company works directly with major enterprise clients in Japan on cutting-edge AI transformation initiatives involving Generative AI, LLM applications, AI governance, intelligent automation, and next-generation enterprise AI ecosystems.

These positions offer the opportunity to work on real-world Generative AI implementation projects, including Retrieval-Augmented Generation (RAG), AI Agents, enterprise knowledge systems, AI-powered business process transformation, LLM evaluation frameworks, and production-grade AI applications.

The environment is highly collaborative and technology-driven, combining hands-on development, advanced AI implementation, and business-oriented consulting engagements.

Key Responsibilities

• Design, develop, and evaluate enterprise-grade applications utilizing Large Language Models (LLMs)
• Develop and optimize prompts, workflows, and inference strategies for Generative AI solutions
• Build and support Retrieval-Augmented Generation (RAG) systems and AI Agent-based applications
• Participate in Generative AI proof-of-concepts (PoCs), implementation projects, and production deployments
• Collaborate with AI consultants, data scientists, and data engineers to translate business requirements into AI solutions
• Conduct technical validation, benchmarking, and evaluation of LLM-based systems
• Support AI governance, guardrails, model safety, and responsible AI initiatives
• Contribute to internal AI frameworks, reusable assets, and next-generation Generative AI capabilities
• Participate in enterprise AI transformation projects across multiple business domains

Examples of projects include:

• Enterprise knowledge search and RAG implementation initiatives
• Local/private LLM deployment and operational efficiency projects
• AI governance and guardrail validation initiatives
• Business process transformation through Generative AI and intelligent automation
• Legacy system modernization supported by Generative AI technologies
• AI Agent development and orchestration frameworks
• LLM evaluation and optimization projects

Requirements


Required:

• Bachelor's degree or equivalent academic background in Computer Science, Machine Learning, Data Science, Mathematics, Statistics, Engineering, or related fields
• Approximately 1+ years of professional experience in AI, data science, machine learning, or related technical fields
• Experience developing applications utilizing Large Language Models (LLMs) through commercial cloud AI services or equivalent platforms
• Experience with prompt engineering, LLM integration, or Generative AI application development
• Business-level Japanese (JLPT N2 or equivalent)
• Eligibility to work in Japan

Preferred:

• Experience with Retrieval-Augmented Generation (RAG)
• Experience with AI Agents and multi-agent systems
• Experience with LLMOps, model evaluation, fine-tuning, or AI deployment pipelines
• Experience collaborating directly with business stakeholders and translating requirements into AI solutions
• Experience with enterprise AI transformation or consulting projects
• Experience with structured and unstructured data analytics
• Experience with Python for AI development and production implementation
• Experience using modern data platforms such as Snowflake, Databricks, or BigQuery
• Master's degree in Computer Science, Machine Learning, Applied Mathematics, Statistics, Econometrics, or related disciplines
• English communication skills
• Financial services experience is a plus but not required

Benefits

Compensation & Benefits:
• Annual salary: ¥6M – ¥25M JPY
• Location: Nihonbashi, Chuo-ku, Tokyo
• Hybrid work style available (office + remote work combination)
• Full flex-time system (no core time)
• Standard working hours: 8 hours/day

Holidays & Time Off:
• Full two-day weekend system
• 123 annual holidays annually
• Paid leave granted after probation period
• Refresh leave / New Year holidays / parental leave / condolence leave

Benefits:
• Defined contribution pension plan
• Learning & self-development support
• Internal/external networking support budget
• Sports & wellness allowance
• Full annual health check support
• Full influenza vaccination support including dependents
• Full transportation reimbursement
• Relocation support (eligible employees)
• Childcare/babysitter support
• Business trip & training allowances
• Marriage / childbirth / condolence support system

Insurance:
• Health insurance
• Employee pension
• Employment insurance
• Workers’ compensation insurance

Additional Information:
• Non-smoking office environment
• Flexible internal role mobility and career growth opportunities

This is an excellent opportunity for someone who wants to work at the intersection of enterprise AI, large-scale data architecture, and real business transformation within Japan’s financial industry


Related keywords

LLMGenerative AIRAGAI AgentsPrompt EngineeringLLMOpsPythonSnowflakeDatabricksBigQueryAI GovernanceMachine LearningData ScienceEnterprise AIPoCModel Fine-tuning

Frequently asked questions

How many Technology jobs are open in Chuo, Japan right now?

There are currently 5 open technology positions in Chuo, Japan listed on Clera. New openings are added daily as companies post roles.

Are there remote or hybrid Technology jobs in Chuo, Japan?

Yes — 5 of the 5 open technology positions offer remote or hybrid work (0 remote, 5 hybrid).

How do I apply for Technology jobs in Chuo, Japan?

Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.

Technology jobs in other cities

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