Open-Source Software Engineer, Part-Time AI Training Work - Remote (United States)

• $50–$100 per hour equivalent, paid per accepted task• 100% remote• Part-time• About 15 hours a week, you choose when Work on the cutting edge of AI, on your own schedule, and get paid for the software engineering expertise you already have. The AI systems everyone is talking about are trained and tested by real software engineers. The teams building them need people who can create realistic development problems, judge how well an AI handles them, write the solution a professional would produce, and explain exactly where the AI falls short. Your judgment becomes part of how the next generation of AI models learns to solve software engineering problems. This is that work, done remotely, around your current job. What you'll do• Set up reproducible training environments around challenging software engineering work, including bug fixes, new features, refactors and performance work• Develop reference solutions and state clearly what a completed task should produce• Provide code samples, debugging approaches and technical explanations in Python, Java, Rust, Go, C++ and TypeScript• Investigate defects and performance bottlenecks, modernize legacy code, and review code contributed by peers and technical submissions Why this is worth your time• Get paid the equivalent of $50–$100 an hour to build real AI skills, on top of your current job• Work directly with frontier AI tools and see how they are built, tested and improved, experience most software engineers will not have for years• Build a career edge for what comes next: AI is reshaping software engineering, and the engineers who understand it from the inside will lead that change• Fully remote, fully flexible, no minimum shift, no commute Who this is for• Strong experience with Python, Java, Rust, Go, C++ or TypeScript• Strong command of algorithms, data structures and software engineering principles; able to investigate difficult codebases, fix bugs and improve performance• Able to write clear technical documentation and communicate in English, with a verifiable record of open-source contributions and a GitHub or GitLab profile• No AI experience needed. You bring the expertise; we bring the training on the tools. Pay and details• $50–$100 per hour equivalent; pay is per accepted task, as an independent contractor• About 15 hours a week, you choose when; fully remote, United States How to apply1. Apply on OpenTrain (about two minutes; upload your resume).2. Complete a short application on the hiring platform.3. If shortlisted, take a conversational AI interview with technical questions and a coding challenge, whenever it suits you. Most people hear back within days. Ready to put your software engineering skills to work at the frontier of AI? Apply today. About OpenTrain AIOpenTrain AI connects experienced professionals with paid, part-time AI training work: shaping and improving the AI systems that companies are building right now.