・Fable is a browser-based motion design tool for creating animations for videos, graphics, or in-app (Lottie)use. Fable had a team of 35 employees, 20 engineers, and over 60,000 users.・As chief architect, designed and implemented the major systems including Frontend, Back-end, Web Assembly, task processing infra, and the OpenGL-based renderer.・Designed a flexible and extensible product structure and a file format that gives users the ability to compose reusable and complex visual-effect functionality.・Led the Rust-based rendering engine including a rendering pipeline, shader system and WebAssembly integration.・Designed and implemented a highly scalable GPU task (for animation frame generations and thumbnail/preview generations) processing server structure to support 10,000 instance concurrency with high availability.・Led development of an AI visual effect functionality using Stable Diffusion and Python.・Led a project to implement Stripe-based subscription/payment system.

・Gakko was a platform for creating and selling animated story books for children.・Designed and implemented backend using Rest API server with NodeJs and a deployment system on Github CI + AWS.・Designed and implemented front end UI app using React and React-Native for multiple platforms・Designed and implemented canvas renderer with React-fiber for Web and iOS (Objective C)・Led the digital team, and the product we implemented attracted investors, and the engineering team spun out to my next company Fable.

・Worked for many art installations to help many artists by writing interactive code using C, C++.・JAXA space center website: Led a project to organize a massive amount of documents written by JAXA scientists, and implemented an organization system and administration web app based on WIKI structure.・LeoLeoni interactive exhibition: Planned, managed and built an interactive space installation using OpenGL, Mac OS app using WebCam that was inspired by the famous picture book “Swimmy”.

・Worked on a project to implement XML parser in C on Solaris Unix.・Participated in a big government-driven project of TV Digital transformation. I was part of a sub-project to build a service to orchestrate a Radio Wave Transmission System in C, C++ on UNIX in a facility of Tokyo tower.・Built a high performance chat server as a member of a five engineer team on UNIX, C, C++ for KDDI.