Overview
You will be part of an ambitious, fast-growing AI venture focused on B2B AI applications. As an Engineer, you will be responsible for designing and building the AI products, working closely with clients and internal teams.
What you will do
- Design and build AI-powered product features end-to-end—from backend services to user-facing experiences.
- Develop production-grade pipelines using modern AI technologies (LLMs, embeddings, vector stores, RAG, evaluation tooling).
- Collaborate with product managers and clients to understand business challenges and translate them into technical solutions.
- Ship fast: prototype, evaluate, and iterate to validate ideas quickly.
- Own services in production, ensuring reliability, scalability, and observability.
Required qualifications
- Bachelor’s or Master’s degree in Computer Science, OR equivalent practical experience.
- Strong proficiency in backend or full-stack development (Typescript, Next.js, Python, or Java).
- Experience building and deploying cloud-based systems on Azure, AWS, or GCP.
- Hands-on experience working with modern LLM technologies (OpenAI, Anthropic, Gemini, etc), including prompting.
- Solid understanding of relational databases and experience working with diverse data sources.
- Ability to communicate ideas most effectively in English and Japanese.
Working conditions
- Hours: Flextime. Eight hours a day as standard, within a flexible band of 06:00–23:00.
- Probation: Six months.
- Fixed overtime allowance: None.
- Insurance: Health, employees’ pension, employment and workers’ accident insurance.
- Working arrangement: fully remote (within Japan). Coming to the office (BLINK Roppongi, 3-1-6 Motoazabu, Minato-ku, Tokyo) is optional.
- Smoking: No smoking indoors; an outdoor smoking area is available when working from the office. The rule does not apply while working from home.