Overview
You will be part of an ambitious, fast-growing AI venture focused on B2B AI applications. As an engineer, you will design and build our 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 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 effectively in both English and Japanese.
Working conditions
- Hours: Flexitime. Eight hours a day as standard, within a flexible band of 06:00–23:00.
- Probation: Six months.
- Fixed overtime pay: None (no overtime hours are built into the salary).
- Insurance: Health, employees’ pension, employment and workers’ accident insurance.
- Working arrangement: fully remote (within Japan). Coming to the office (BLINK Roppongi, 3-1-6 Moto-Azabu, Minato-ku, Tokyo) is optional.
- Smoking: No smoking indoors; an outdoor smoking area is available when working from the office. This does not apply when working from home.