Use your Computer Science expertise to train and evaluate AI models.
Review scientific computing scripts, worksheets, datasets, proofs, and matrix outputs to help improve AI systems. This remote contractor role requires English fluency, careful judgment, and 40 hours per week with Pacific Time overlap.
Posted Sep 11, 2026
Build reproducible software engineering environments and reference solutions that help AI systems learn to fix, improve, and review code. This part-time contract pays $50 to $100 per hour and requires strong software development experience.
Posted Sep 7, 2026
Build and improve multi-step AI systems for advanced mathematical reasoning. This four-week contractor assignment requires 40 hours per week, advanced Python, and four hours of Pacific Time overlap.
Posted Sep 7, 2026
Create and record realistic Java development workflows in NetBeans, including project setup, debugging, testing, and build tools. This remote contractor role pays up to $20 per hour and requires 20 or more hours each week.
Posted Sep 5, 2026
Create and record realistic MongoDB database workflows that help train AI models. This remote contractor role pays up to $20 per hour and is open to applicants in Bangladesh, India, and Pakistan.
Posted Sep 5, 2026
Create realistic Eclipse IDE and Java development tasks, prepare technical environments, and record practical workflows for AI training. This remote contractor role pays up to $20/hour and requires 20+ hours per week.
Posted Sep 5, 2026
Create biology coding problems, Python reference solutions, and tests that measure how well AI models reason about scientific tasks. This contract role requires 20+ hours per week and is open in 12 countries.
Posted Sep 3, 2026
Create chemistry and Python problems, reference solutions, and tests used to train and evaluate AI models. This remote contractor assignment runs for eight weeks and requires availability in one of 12 countries.
Posted Sep 3, 2026
Build and evaluate realistic coding-agent benchmarks using production-like repositories, tests, and runtime scenarios. This fully remote contractor role runs 4 to 8 weeks and requires at least 20 hours per week.
Posted Sep 2, 2026
Review AI-generated code, systems, database, networking, and security content for accuracy and safety. This remote contractor role pays up to $20 per hour and requires 20+ hours weekly from India.
Posted Aug 29, 2026
Review AI-generated code, coding problems, solutions, and tests while giving technical feedback that improves AI software engineering performance. This remote contractor role pays $245-$280 per hour and requires 20+ hours each week.
Posted Aug 27, 2026
Create and record realistic Postman API testing workflows for AI training. This remote contractor role is open in Bangladesh, India, and Pakistan and pays up to $20 per hour.
Posted Aug 27, 2026
Create and record realistic Jupyter Notebook workflows that help train advanced AI models. This remote contractor role pays $20 per hour and requires 20 or more hours each week from contributors in Bangladesh, India, or Pakistan.
Posted Aug 27, 2026
Evaluate how AI agents use MCP tools to solve real software engineering tasks, from bug fixes to refactoring and performance work. This remote contractor role offers flexible scheduling for about 15 hours per week at $60 to $120 per hour.
Posted Aug 25, 2026
Build and test reinforcement learning environments that measure how AI agents use MCP tools to solve software engineering problems. This contractor role offers flexible scheduling, about 15 hours per week, and $60-$120 per hour.
Posted Aug 25, 2026
Evaluate AI-generated software workflows, code, integrations, and developer tools for $50 to $70 per hour. This contractor role requires 20 or more hours weekly, strong English, and at least three years of software engineering experience.
Posted Aug 19, 2026
Use your software development experience to review code, explain technical decisions, and create programming examples for AI training. This remote contractor role pays $60-$75 per hour and requires 20+ hours weekly.
Posted Aug 15, 2026
Evaluate and improve AI-generated software engineering work by creating coding tasks, reference solutions, and reproducible environments. This remote contractor role requires about 15 hours per week and pays $50 to $100 per hour.
Posted Aug 13, 2026
Optimize GPU kernels and improve C++ and CUDA code in a remote contractor role paying $60-$100 per hour. You will also build shader workflows and analyze performance across GPU hardware.
Posted Aug 11, 2026
Create reinforcement learning environments that test AI models on real software engineering tasks, including debugging, feature work, refactoring, and optimization. This contract role requires 20 or more hours per week and pays $100-$150 per hour in the role description.
Posted Aug 5, 2026
Create reproducible reinforcement learning environments that test how AI models handle real software engineering tasks. This remote contractor role offers about 15 hours per week and pays $100 to $150 per hour.
Posted Aug 4, 2026
Use computational biology, cheminformatics, Python, and drug discovery expertise to build benchmarks and evaluate AI-generated scientific work. This contractor role pays $80-$110 per hour for 20+ hours weekly.
Posted Aug 3, 2026
Develop and deploy machine learning systems in Python across data pipelines, model optimization, monitoring, and production use cases. This part-time contract role requires 20+ hours per week and four years of hands-on experience.
Posted Aug 2, 2026
Review AI-generated Python solutions, judge Chinese technical explanations, and write feedback that improves future model responses. This remote contractor role pays $27-$50 per hour and requires 20+ hours per week.
Posted Jul 24, 2026
Review and benchmark AI-generated software on a remote, one-month US contractor assignment. Use your software engineering experience to test code, assess explanations, and improve coding evaluation standards.
Posted Jul 17, 2026
Analyze public datasets, interpret JSON data, and turn findings into clear technical documentation for AI research and data work. This remote contract requires 20 or more hours per week and strong English communication.
Posted Jul 17, 2026
Review and improve AI-generated C and C++ code, solve difficult programming problems, and help build backend components for language model training. This contract role requires 20 or more hours each week and strong English communication.
Posted Jul 17, 2026
Review and improve AI-generated Go code for correctness, efficiency, and reliability. This worldwide contractor role requires 20+ hours per week, strong Go skills, and at least 3 years of software engineering experience.
Posted Jul 17, 2026
Build Java backend components and help evaluate, fine-tune, and improve large language models. This remote contractor role requires 20+ hours per week, strong English, and solid software development skills.
Posted Jul 17, 2026
Build JavaScript and TypeScript code, evaluate AI model responses, create fine-tuning datasets, and support human feedback training. This remote contractor role runs for one month with 20, 30, or 40 hours per week.
Posted Jul 17, 2026
Computer Science subject-matter work in AI training can involve reviewing or writing code, judging the quality of technical model responses, evaluating search results, labeling data, or applying computing knowledge to other examples used to prepare and assess AI systems. The exact responsibilities depend on the project. Read each individual live posting carefully for its stated scope, qualifications, eligibility, pay, hours, schedule, location rules, and client-specific requirements.
OpenTrain is the hiring organization for the public roles on OpenTrain. Candidates apply through OpenTrain, and successful candidates may be placed with or referred to the client whose project they will support. Hiring details are specific to each live posting, so review the relevant listing for the requirements and terms attached to that opportunity.
