Full-time position in Tokyo with a focus on generative AI development. Responsibilities include designing, developing, and optimizing systems using generative AI, prototyping frontend and backend components, supporting AI integration for clients (requirements definition, project management), researching and fine-tuning LLMs, data cleaning and preparation, and exploring business applications of generative AI.
Projects vary from building AI infrastructure and conversational systems to developing API servers and cloud-integrated services, including metaverse communication apps. Candidates should have backend development experience (Python, Ruby on Rails, Java, C#, PHP, etc.), knowledge of relational databases (MySQL, PostgreSQL, Oracle), efficient SQL, and the ability to quickly respond to business needs. JLPT N1 level Japanese is required.
Preferred skills include experience with ChatGPT, Claude, Gemini, etc., ML/DL knowledge, cloud platforms (AWS, GCP, Azure), user log analysis, frontend technologies (HTML, CSS, JavaScript), and experience in Agile or Waterfall environments. Project management, team leadership, and secure web programming are a plus.
Even without AI experience, full onboarding is provided to acquire core and practical skills within a month. Benefits include working on cutting-edge AI projects, solving real-world challenges, developing in-house AI products, and strong support from the parent company.
Work is primarily on-site at client offices in Tokyo, with remote and hybrid options. Standard hours are 9:00–18:00 (may vary). Full benefits include social insurance, training programs, book purchases, health check-ups, gifts (e.g., for childbirth), stock options, commuting allowance, equipment provision, weekends and public holidays off, New Year and summer holidays, and various special leaves.