Marcin Kierski is a seasoned frontend-focused engineer with over a decade building rich web applications, now contributing as a Member of Technical Staff at OpenAI. He has led frontend teams at neptune.ai and deepsense.ai, architecting interfaces and workflows for ML experiment tracking and data-science products that bridge research and production. Deeply experienced in JavaScript/HTML5/CSS and SPA/RIA design, he also drives developer productivity by polishing toolchains and collaboration workflows. His background includes embedded web and streaming work at Samsung SmartTV, giving him practical expertise in adaptive streaming and convergence technologies often overlooked in typical frontend resumes. Based in Poland, Marcin combines hands-on implementation with technical leadership across startups and R&D organizations, focusing on delivering usable UIs for complex ML and media systems.
10 years of coding experience
15 years of employment as a software developer
Polish-Japanese Academy of Information Technology
Bachelor's degree Management of systems and computer networks, Bachelor's degree Management of systems and computer networks at Warszawska Szkoła Zarządzania - Szkoła Wyższa
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