OpenTrain
Backend Software Engineer for AI Coding Tasks
Remote · Algeria, Argentina, Austria, Bahrain, Bangladesh, Belgium, Brazil, Canada, Chile, Colombia, Denmark, Egypt, France, Germany, Ghana, Greece, India, Indonesia, Italy, Japan, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Lebanon, Malaysia, Mexico, Morocco, Netherlands, Nigeria, Oman, Pakistan, Palestine, Peru, Philippines, Portugal, Qatar, Saudi Arabia, Singapore, South Africa, Spain, Sri Lanka, Switzerland, Taiwan, Thailand, Tunisia, United Arab Emirates, United Kingdom, United States, Uzbekistan, Vietnam
English
$50 to $100 per hour equivalent, paid per task
OpenTrain is hiring freelance Backend Software Engineers across 52 eligible countries to develop realistic coding challenges, reference solutions, and deterministic verifiers for AI model evaluation. Candidates should be professionally fluent in English and possess hands-on expertise in backend languages such as Python, Java, Rust, Go, C++, or Node.js. This entry-level, part-time contractor role requires under 20 hours per week and does not require previous AI experience.