仕事内容

Join the team behind Sakana Chat 🐟, Sakana Marlin 🐬, and Sakana Fugu 🐡. As a Software Engineer (Product), you will drive the full-stack development of Sakana AI's in-house products, transforming cutting-edge research into scalable, user-facing applications.

Key responsibilities include:

Full-stack development including frontend, backend, and infrastructure components
Building user-facing applications powered by advanced AI technologies (LLMs, autonomous agents, multi-agent systems)
Implementing rapid prototyping to quickly validate product concepts and iterate based on user feedback
Integrating cutting-edge research into production systems with a focus on performance and reliability
Designing and implementing scalable APIs and services that support product growth
Collaborating with product managers, researchers, and designers to translate vision into implementation
Optimizing model serving, inference performance, and cost efficiency for AI-powered features
Maintaining code quality, testing, and deployment practices in a fast-moving environment
Contributing to architecture decisions as the product scales

必須スキル

Full-stack development experience with demonstrated proficiency in both frontend and backend technologies
Strong proficiency in Python, JavaScript/TypeScript, or similar languages
Experience with web frameworks (React, Vue, Django, FastAPI, etc.)
Understanding of API design and RESTful/GraphQL principles
Familiarity with database design (SQL and/or NoSQL)
Experience with version control, testing, and CI/CD pipelines
Ability to work in fast-paced, ambiguous environments with rapidly changing requirements

歡迎スキル

Experience with LLM integration and prompt engineering
Knowledge of machine learning systems and how to serve models in production
Background in AI/ML product development
Experience with cloud platforms (AWS, GCP, Azure)
Familiarity with containerization and microservices

勤務地

Tokyo, Japan

待遇

Full-time / Contract options
Languages: Japanese (Conversational) & English (Business)

募集背景

Sakana AI is scaling its product development efforts with ambitious AI-powered applications. The company needs skilled full-stack engineers who can move quickly, integrate advanced AI capabilities, and build products that delight users while maintaining the technical foundation for growth.