OpenTrain is hiring a part-time, remote contractor worldwide to evaluate how large language models handle realistic coding and bug-fixing tasks across open-source repositories. Candidates need strong programming skills in at least one major language (such as Python, JavaScript, Java, Go, Rust, C/C++, C#, or Ruby) alongside proficiency with Git, Docker, and local testing. The role requires at least 20 hours per week and is conducted in English.