Summary
Jules Testard is a founder and seasoned software engineer with 13 years of experience building scalable systems and leading product engineering teams across startups and large tech firms. Based in Paris, he co-founded and served as CTO of Piepacker, led engineering work at Docker and AWS Glue, and now runs GCast, combining product vision with low-level engineering chops. His background blends academic research in query processing from UC San Diego with hands-on experience shipping distributed systems and big-data processing at production scale. Known for moving fluidly between research and product execution, he prefers building durable platforms rather than hunting for roles—he’s currently not for hire and focuses on entrepreneur-led technical leadership.
13 years of coding experience
10 years of employment as a software developer
University of California, San Diego
Bachelor of Science (B.Sc.) Computer Science, Bachelor of Science (B.Sc.) Computer Science at Lycee International Francais
B.Sc Honours Computer Science, B.Sc Honours Computer Science at McGill University
English, French, Chinese, German