Build data pipelines and machine-learning models for commercial real estate, tune inference, and lead AI product PoCs and MVPs with business teams. Hybrid remote work is available in Tokyo.
About this role
estie is hiring a Chief Engineer to lead one of its real estate data products' technical direction, architecture, and team while staying hands-on with code. The role spans architecture design and technology selection with hands-on quality ownership, contributing to product roadmap decisions with PdMs, leading the dev team (assignments, technical mentoring, process improvement), working with PdMs, designers, and business teams on customer problems, coordinating with other product teams and the real estate data platform team, and participating in hiring through technical interviews. It is not limited to people management or technical judgment alone — the expectation is to do whatever is needed for the product to succeed. Frontend stack: Next.js, React, TypeScript. Backend varies by product: Rust (actix-web, async-graphql), Ruby on Rails, or TypeScript/Node.js (NestJS), connected to the frontend via GraphQL; internal tools use Python and Streamlit. Required: deep expertise in either frontend or backend development with working-level ability in the other; experience leading a dev team or taking initiative on a project (Tech Lead/EM/lead engineer-equivalent); experience proposing and deciding a product's technical direction; and experience with architecture design, technical decision-making, and operations. Full-time, JPY 9,000,000–15,000,000/year, based at estie's Akasaka (Minato-ku, Tokyo) office with flextime, discretionary labor system, and hybrid remote work encouraged.
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