Summary
Son Kim is a product-focused engineering leader and founder with 11 years of experience building privacy-first and scalable products from startup to scale. He founded SimpleLogin, an open-source email forwarding and identity provider service, and currently leads product efforts on Proton Pass at Proton, blending deep technical ownership with user-centric privacy design. Previously he served as Director of Engineering and CTO roles, building recommendation engines and distributed systems at companies like Workwell, Fitle and Criteo. His background in computer science and mathematics (Ecole Polytechnique, Telecom ParisTech, VNU) underpins a strong analytics and systems mindset that shows up in both architecture and product decisions. Comfortable moving between hands-on engineering and strategy, he’s known for turning research-grade algorithms into production-ready features and for shipping open-source tooling that empowers user privacy. Based in Paris, he combines startup grit with academic rigor and a track record of founding multiple tech products.
11 years of coding experience
7 years of employment as a software developer
High School, Mathematics, High School, Mathematics at Hanoi National University of Education
Engineer's Degree, Computer Science, Engineer's Degree, Computer Science at Ecole polytechnique
Engineer's Degree, Distributed system, Engineer's Degree, Distributed system at Telecom ParisTech
Bachelor's Degree, Mathematics, Bachelor's Degree, Mathematics at Vietnam National University, Hanoi
Vietnamese, French, English