Use your Computer Science expertise to train and evaluate AI models.
Review AI-generated software engineering answers for accuracy, feasibility, and production quality at $120 per hour. This remote US contract offers 20+ hours per week with flexible, asynchronous work.
Posted Sep 30, 2026
Lead large software engineering AI training programs, from coding datasets and agent workflows to code review and evaluation. This contractor role requires 20+ hours weekly, strong program leadership, and the ability to assess technical work.
Posted Sep 30, 2026
Work 20+ hours per week on frontier AI research, evaluation, agent environments, synthetic data, and post-training. This worldwide contractor role requires advanced research engineering experience and English fluency.
Posted Sep 30, 2026
Review AI-generated code for correctness, security, reliability, and maintainability in LLM evaluation work. This remote contract role requires at least seven years of software engineering experience and 20+ hours per week.
Posted Sep 30, 2026
Build realistic terminal-based physics and computational science tasks for AI training and evaluation. Create reproducible environments, scientific solutions, and automated tests while working 20+ hours weekly from anywhere.
Posted Sep 26, 2026
Build Python backends, connectors, and evaluation tasks for AI agents in a remote four-week contractor engagement. Earn $300 per approved task with a minimum of one approved task per day.
Posted Sep 26, 2026
Review large language model code patches for open source repositories, explain your decisions, and assess peer work. This flexible remote contractor role requires demonstrable open source maintenance experience.
Posted Sep 25, 2026
Create challenging machine learning questions and review AI-generated answers for accuracy, reasoning, and technical soundness. This remote contract role pays up to $75 per hour and typically involves 5 to 20 flexible hours per week.
Posted Sep 25, 2026
Build Python backends, SaaS connectors, realistic AI agent tasks, and evaluation rubrics in a four-week contractor engagement paying $300 per approved task. Apply through OpenTrain, then complete the hiring site application.
Posted Sep 24, 2026
Build Python connectors, realistic AI agent tasks, and evaluation rubrics for software tools such as Slack, Jira, and Notion. This worldwide contract role requires 20+ hours per week and pays $300 per label.
Posted Sep 23, 2026
Build Python connectors that mirror common business tools or create realistic tasks and rubrics for testing AI agents. This remote four-week contract pays $300 per approved task, with at least one approved task required each day.
Posted Sep 23, 2026
Create realistic computational life sciences tasks that test AI agents on data analysis, coding, troubleshooting, and scientific reasoning. This contract role requires advanced life sciences research experience and strong Python skills.
Posted Sep 22, 2026
Create realistic computational genomics problems, datasets, reference solutions, and grading criteria for AI agents. This remote, six-week contractor assignment requires advanced bioinformatics research experience and Python skills.
Posted Sep 22, 2026
Create realistic backend coding tasks and deterministic verifiers that test whether AI-generated solutions work correctly and securely. This contract role pays $30 to $100 per hour and requires 20 or more hours weekly.
Posted Sep 21, 2026
Build Python backends that reproduce SaaS tools and create realistic tasks for AI agent evaluation. This remote, four-week contract pays $300 per approved task and requires at least 20 hours per week.
Posted Sep 21, 2026
Evaluate how language models handle real Python code, GitHub issues, and bug-fixing tasks. This remote three-month contractor role pays $100 per task and requires 20+ hours per week.
Posted Sep 21, 2026
Create realistic backend coding challenges and build deterministic verifiers that separate valid solutions from flawed ones. This remote contractor role offers flexible work of about 15 hours per week.
Posted Sep 20, 2026
Create reproducible environments and expert reference solutions that test how AI models solve complex coding problems. This remote contractor role pays $100 to $150 per hour and requires strong software engineering skills.
Posted Sep 20, 2026
Create realistic coding challenges and reliable verifier scripts that help train AI models. This remote contractor role offers flexible scheduling, about 15 hours per week, and $30 to $100 per hour based on experience and efficiency.
Posted Sep 20, 2026
Use your Tier 2 or Tier 3 IT support experience to troubleshoot hardware, software, operating systems, and networks for AI training work. This remote contractor role pays a target $30-$55 per hour.
Posted Sep 19, 2026
Create original competitive programming problems, reference solutions, test suites, and C++ checkers that evaluate AI coding ability. This remote contract offers $45 to $65 per hour and requires at least 20 hours per week.
Posted Sep 16, 2026
Review and improve AI-generated code while building, debugging, and evaluating full-stack applications across multiple languages. This part-time contract pays $50 to $100 per hour and requires strong production engineering experience.
Posted Sep 16, 2026
Build, debug, refactor, and review open source software used in AI training. This remote contractor role pays $50 to $100 per hour, requires 20+ hours weekly, and is open to eligible applicants who work in English.
Posted Sep 15, 2026
Build and maintain large-scale data pipelines that support AI training systems. This remote contractor role pays $30 to $80 per hour and requires advanced Python, database, and distributed processing skills.
Posted Sep 15, 2026
Review and improve code-generation systems across Python, Java, Rust, C++, Go, and TypeScript. Work remotely for 20+ hours each week on coding tasks, code review, and AI model evaluation.
Posted Sep 14, 2026
Create realistic AI agent tasks from real enterprise workflows, write evaluation rubrics, and debug simulated tools as a Python software engineer. This contractor role requires 20+ hours weekly and is open to applicants in nine countries.
Posted Sep 12, 2026
Evaluate machine learning code, models, and systems for correctness, performance, and reproducibility. This remote contractor role offers flexible work of about 15 hours per week and pays $80 to $150 per hour.
Posted Sep 11, 2026
Solve coding, debugging, logic, and technical reasoning challenges that help evaluate AI systems. This flexible remote contractor role offers $50-$80 per hour for about 15 hours each week.
Posted Sep 11, 2026
Build full-stack web applications and support AI model training through task creation, benchmark evaluation, and data preparation. This worldwide, part-time contract role requires React, Node.js, SQL databases, and experience with AI training workflows.
Posted Sep 11, 2026
Create rigorous scientific programming tasks, verified Python solutions, and tests that evaluate advanced AI models. This freelance project requires strong scientific computing skills and 20+ hours per week.
Posted Sep 11, 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.
