Václav Volhejn is a Technical Staff ML engineer and researcher based in Paris with 11 years of experience turning machine-learning research into production systems. He’s delivered work across LLM security and computer vision safety, and helped design Gandalf, a viral prompt-injection game that reached over 1M players and 30M messages within a year. Václav blends creative coding and product-minded experimentation—he founded and led the AI art party game Impromptu—and brings a strong theoretical foundation from ETH Zürich and research internships including a GCPR paper on SGD. Comfortable spanning papers to deployed systems, he’s known for pragmatic experimentation that surfaces real-world model risks and playful interfaces that scale.
11 years of coding experience
3 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at ETH Zürich
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Charles University
Contributions:1 release, 4 reviews, 1 PR in 2 years 2 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.