Lead 3D / Engine Engineer (Unity, C#, shaders, WebGPU) with an AI deployment role, game studio, Tokyo (remote)

Abbeal is looking for a senior 3D and engine engineer for a game studio in Tokyo: Unity and C#, shaders, WebGPU, plus a hands-on role bringing AI into how the studio builds games. Remote within Japan. Japan residents only.

Stack technique : Unity · C# · Shaders HLSL / GLSL / compute · WebGPU · Rendering & performance · AI tooling for production.
Localisations : Tokyo. Mode hybride / remote possible selon profil.

About Abbeal: tri-geo engineering studio (Paris · Montréal · Tokyo) founded in 2015. 100+ clients served, 50+ international talents via the Mobbeal mobility programme. Three pillars: Adaptive Follow-the-Sun (24/7 delivery across 3 time zones), AI-first, GreenOps & Performance. Four areas of expertise: Web & Mobile, Data & AI, Cloud & Reliability, Embedded & Robotics. We don't bill time, we ship scope. Working mode: short sprints, product ownership, AI-assisted code reviews (Codex), pair programming on sensitive topics, systematic ownership transfer at the end of each engagement. Recruitment process: sourcing by engineers (not by HR), short but rigorous technical validation, closing within 48 hours, 6-month guarantee. Mobbeal mobility programme for those who want to relocate to Tokyo, Montréal or Paris: we handle visa, housing, family and schools. Apply: recrutement@abbeal.com.