Software Engineer Product
Tokyo-based frontier AI R&D company that develops nature-inspired AI research and commercial AI products for enterprises and users.
Funding history
About Sakana AI K.K.
Sakana AI develops frontier AI research inspired by collective intelligence and self-evolution, alongside AI products and applied solutions for enterprises and Japan’s public sector.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will design and implement full-stack product features across frontend, backend APIs, databases, and cloud infrastructure. You will build and operate production platforms, improve delivery pipelines and monitoring, integrate AI models, and rapidly prototype, validate, and improve products with the Product Owner and international colleagues.
Requirements
- 3+ years of production software engineering experience or equivalent
- Full-stack development
- User-facing product design, development, and release
- Python
- Modern web framework
- Docker
- Cloud platform experience
- AI or ML model serving and inference optimization preferred
- DevOps and infrastructure as code preferred
Responsibilities
- Design and implement full-stack products
- Build frontend, backend APIs, databases, and cloud infrastructure
- Build and operate CI/CD, monitoring, scaling, and security capabilities
- Integrate ML and AI models into products
- Implement LLM inference, memory systems, and search algorithms
- Rapidly prototype, validate, and improve product hypotheses
- Collaborate in Japanese and English-speaking teams
Benefits
- Visa application assistance
- Full-time, contract or freelance, and internship opportunities
Hiring Process
Document screening → technical assessment.