Mateusz Litwin possesses extensive experience in software engineering, having held positions at notable companies including OpenAI and Palantir Technologies. Since December 2018, Mateusz has served as a Member of Technical Staff at OpenAI. Prior to this, valuable contributions were made at Palantir Technologies from October 2014 to November 2018, where Mateusz designed and implemented multiple internal libraries and services, established best practices for Go programming, and developed a new product for real-time analysis of semi-structured documents. Earlier roles at Palantir included restructuring a monolithic service to enhance scalability and creating a customizable serialization framework that significantly improved system performance. Mateusz's career began with internships at Palantir and Google, focusing on cloud automation and distributed systems. Academic qualifications include a Bachelor's degree and ABD status in Computer Science from the University of Warsaw.