Achievements
- Founded Jitter, a web-based motion design tool, and joined Y Combinator Winter 2020 batch
- Co-founded Ingresse, served as Chief Product Officer
- Worked as Interaction Designer at IRCAM, blending tech and art
- Led User Experience at Devialet, pushing audio tech boundaries
- Freelanced as Product & UX Designer for several years
- Holds Master of Science in Engineering & Tech from École Polytechnique and studied Computer Science at Stanford
Vibing with Sébastien Robaszkiewicz
Yo, have you heard of Sébastien Robaszkiewicz? This guy is the real deal in the startup world. He’s the co-founder and CEO of Jitter, this sick web-based motion design tool that dropped in 2020. The crazy part? Jitter was part of YC’s Winter 2020 batch, so he’s legit connected and crushing it on the big stage.
But let’s back up, Sébastien’s story is all about jumping into the deep end and never stopping. Before Jitter, he was all over the place, doing some pretty dope stuff. He co-founded Ingresse back in the day, where he was Chief Product Officer, so he’s been bossing product for a while. Then, he’s got some solid experience at IRCAM as an Interaction Designer, that’s like working at the cutting edge of tech and art, blending sound, tech, and design.
He’s also been Head of UX at Devialet, the audiotech company that makes those crazy speakers. So he’s no stranger to pushing tech boundaries and making stuff that’s super slick and user-friendly. Plus, he freelanced as a Product and UX designer for a few years, so he’s got that hands-on hustle vibe.
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Talk to herHis education? Top-tier. He’s got a Master of Science in Engineering, Innovation & Tech from École Polytechnique, plus he did a stint at Stanford in Computer Science. Basically, the guy’s got brains and a passion for tech and innovation, no surprise he jumped into YC.
What does all this say about him? Honestly, Sébastien is the type that sees big problems and just jumps in to fix them. He’s not afraid to get his hands dirty, learn new stuff, or pivot when needed. His process screams passion for making creative tools that enable others. Starting Jitter wasn’t just about making another app, it’s about transforming how people bring their ideas to life, making animation and motion design way more accessible.
He’s got a small team now in Paris, just 7 folks, but they’re the core of something huge. Sébastien’s story is about relentless hustle, blending art and tech, and building tools that actually change the game. This guy is the real deal, proof that if you’re passionate and you jump into the chaos, you can build something that matters. No cap.

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