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Software Engineer (Product)

Sakana AI· Product
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Hybrid (Tokyo)Full-timePosted 3mo ago

About the role

Full-stack Software Engineer to design, implement, and operate in-house AI products, spanning UI/UX, backend, and infrastructure, with collaboration across a global team in Tokyo.

Responsibilities

  • Full-stack design and implementation of products: covering front-end (React/Next.js, etc.), backend APIs, databases, and cloud infrastructure.
  • Building and operating the production platform: building and improving CI/CD, monitoring, scaling, security, etc.
  • Integrating ML/AI models into products: collaborating with Applied Research Engineers to implement LLM inference, memory systems, search algorithms, etc., into the product.
  • Fast development cycle: quickly moving from hypothesis generation to prototype, validation, and improvement, working closely with the Product Owner.
  • Collaboration in a global team: working collaboratively within an international team using both Japanese and English.

Qualifications

  • 3+ years of practical experience as a Software Engineer in a production environment, or equivalent experience.
  • Experience with full-stack development.
  • Experience in designing, developing, and releasing user-facing products.
  • Experience in autonomous development within a small team.
  • Practical experience with Python and one or more modern web frameworks.
  • Experience with Docker containerization and using cloud platforms.

Skills

Required:Full-stack developmentFrontend frameworks (React/Next.js)Backend APIsCloud platformsDockerPython
Nice to have:DevOps / IaCAI/ML model serving and inference optimization
Last updated Oct 25, 2026. Interested? Apply on the company site.

About Sakana AI

Building Frontier AI in Japan

We are creating a new kind of foundation model based on nature-inspired intelligence.

AI research labTokyofoundation modelfrontier AIliquid-ai-recruiting-targetnature-inspired intelligence
Company profileWebsite

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