Gilles Debunne is a seasoned CTO and software engineer with over 13 years of professional experience spanning research-grade computer graphics to practical product engineering. He blends a strong academic background (PhD-level work in physically based animation and geometry) with hands-on roles at Google and years as a freelance full‑stack and mobile developer, specializing in UI/UX, image processing, 3D rendering and animation. Known for pragmatic algorithm design and iterative, client-driven development, he focuses on delivering high-quality, efficient software and intuitive interfaces. As a current CTO at OSO-AI he pairs strategic technical leadership with active coding and QA contributions, evidenced by bug fixes and test improvements to popular open-source projects like the Luxon date/time library. Collaborative and self-motivated, he brings analytical rigor from research into product contexts, often uncovering subtle edge-case issues before they reach users. Based in the Toulouse area, he combines broad software culture and curiosity with a track record of turning complex graphics and interaction problems into practical solutions.
13 years of coding experience
14 years of employment as a software developer
Ingénieur Computer Software, Ingénieur Computer Software at National School of Computer Science and Applied Mathematics of Grenoble
⏱ A library for working with dates and times in JS
Role in this project:
Back-end Developer & QA Engineer
Contributions:10 reviews, 37 commits, 58 PRs in 1 year 7 months
Contributions summary:Gilles primarily contributed to the `luxon` library by addressing bugs and enhancing code coverage. Their work included fixing issues related to the `DateTime.fromObject` method, such as handling invalid inputs, and adding tests for various date/time parsing scenarios, including RFC2822 and HTTP formats. Additionally, the user refactored code to improve test coverage and improve overall quality.
⏱ A library for working with dates and times in JS
Contributions:75 pushes, 73 branches in 1 year 7 months
datetimedates-and-timescalendarjavascripttimes
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Gilles Debunne - Chief Technology Officer at OSO-AI