Looking for Software Engineering work that contributes to AI training? These opportunities apply software-development knowledge to tasks such as reviewing code, evaluating outputs, or helping prepare data used by AI systems. OpenTrain is the hiring organization for roles on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support.
Join OpenTrain as a part-time contractor to design reinforcement-learning code environments and expert reference solutions that teach AI to code, debug, refactor, and optimize — paid $50–$150/hr. Remote role with flexible hours; apply with a strong GitHub/GitLab record.
Posted Jul 29, 2026
Design and evaluate AI-powered enterprise workflows as a Senior Enterprise AI Productivity Specialist — 20+ hours/week, remote worldwide, contractor role paying $80–$150/hr. Build automations, integrations, adoption plans, and business-impact documentation.
Posted Jul 28, 2026
Join OpenTrain AI as a Machine Learning Engineer to design and run evaluation benchmarks for frontier LLMs. Contract, part-time role (20+ hrs/week) paying $60–$90/hr for US-based practitioners with hands-on ML training and research experience.
Posted Jul 25, 2026
Join OpenTrain as a remote, part-time contractor reviewing AI-generated Python solutions and Chinese-language explanations; $27–$50/hr, 20+ hrs/week. Use your Python code-review skills and bilingual fluency to rate, correct, and author reference solutions that improve model behavior.
Posted Jul 24, 2026
Help evaluate AI software-engineering models by building reinforcement learning environments, deterministic tests, and reference solutions. This worldwide, part-time contractor role pays $80–$120 per hour and requires strong software engineering skills.
Posted Jul 23, 2026
Build reproducible reinforcement learning environments that test how AI systems solve real-world coding problems. This remote contractor role offers flexible work of approximately 15 hours per week at $50–$100 per hour.
Posted Jul 22, 2026
Join OpenTrain to build and evaluate RL training environments that teach AI systems how to operate cloud infrastructure. Remote contractor role, worldwide, 20+ hrs/week (see schedule), paying $60–$130/hr with estimated project earnings of $9,600–$20,800.
Posted Jul 22, 2026
OpenTrain is hiring a remote contractor to review and produce production-ready parametric 3D CAD models, engineering drawings, and technical documentation. Part-time, 20+ hours/week; pay range $40–$100 USD/hr (posted rate $100/hr).
Posted Jul 21, 2026
Design realistic cloud infrastructure tasks and reproducible environments to train next-generation AI systems. Remote contractor role (20+ hrs/week), $40–$100/hr, requires senior hands-on platform experience in cloud, SRE, or DevOps.
Posted Jul 21, 2026
Join OpenTrain as an RL Environment Developer building reproducible reinforcement-learning environments that test AI models on complex software engineering workflows; contract, remote, 20+ hrs/week, $50–$150/hr based on experience.
Posted Jul 20, 2026
Join OpenTrain as a remote contractor to evaluate LLM performance on real open-source codebases using Ruby, Git, and Docker. This part-time role requires at least 20 hours/week, a 4-hour PST overlap, and candidates based in specified countries.
Posted Jul 20, 2026
Senior front-end engineers help fine-tune AI by reviewing and generating high-quality technical text about React, React Native, HTML/CSS, and e-commerce flows; $70–$100/hr, part-time contractor work with flexible remote hours and fast start.
Posted Jul 18, 2026
Join OpenTrain AI as a part-time, contract Senior FreeCAD Engineer reviewing and producing parametric CAD models, assemblies, and production drawings. Remote, 20+ hrs/week; pay range $40–$100/hr (USD).
Posted Jul 18, 2026
Review and validate AI-produced C++ code for correctness, efficiency, and reliability in a remote, contractor role. Ideal for intermediate C/C++ engineers who can spend 20+ hours/week giving clear, actionable feedback to improve generated software.
Posted Jul 17, 2026
Join OpenTrain as a remote Performance Engineer focused on systems-level optimization, compiler engineering, and runtime performance for AI training data. This contract role pays $70–$110/hr and requires reliable full-time work (40 hours/week) from US-based contributors fluent in English.
Posted Jul 17, 2026
Help train frontier AI systems by designing and evaluating advanced MLOps and ML systems tasks. Apply your production expertise in JAX, PyTorch, distributed systems, and GPU kernel optimization to remote work paying $70–$110 per hour.
Posted Jul 17, 2026
Join OpenTrain AI to review and validate AI-generated Go code for dialog-agent backends in a part-time, remote contractor role (20+ hrs/week). Use your Go expertise and engineering judgment to ensure correct, efficient, and dependable implementations.
Posted Jul 17, 2026
Join OpenTrain AI to build evaluation datasets from public open-source code and measure how LLMs handle real-world software tasks; requires 3+ years software engineering with strong Go skills, 20+ hours/week, and eligibility in select countries.
Posted Jul 17, 2026
Join OpenTrain as a remote contractor building and evaluating LLM performance on real C++ codebases; flexible 20/30/40 hr/week schedules and opportunities to lead junior engineers. Work with researchers to design verifiable engineering tasks, triage issues, run code, and rate model outputs.
Posted Jul 17, 2026
Join OpenTrain as a remote Machine Learning Engineer focused on benchmark-driven evaluation of real-world ML systems. This contractor role requires 3+ years of ML engineering experience, strong Python skills, and availability 20+ hrs/week with PST overlap.
Posted Jul 16, 2026
Join OpenTrain as a contractor designing and validating data pipelines and benchmark evaluation tasks for AI systems. Work part-time (20+ hrs/wk) with Python on production-like datasets; applicants need 3+ years in data engineering, data science, or data-focused software engineering.
Posted Jul 16, 2026
Write realistic multi-turn conversations that teach assistants when and how to call tools, modeling calendars, email, maps, and other app workflows. Part-time contractor role requiring 20+ hrs/week and 3+ years technical or analytical experience; open to applicants in specified countries.
Posted Jul 16, 2026
Evaluate and improve AI-generated code while building verification systems for cutting-edge language models. This flexible contractor role is open to software engineers in the US, Canada, and select Western European countries.
Posted Jul 16, 2026
Evaluate real Rust repositories and GitHub issues to help measure how LLMs solve software bugs. This part-time contractor role offers 20+ hours per week for engineers experienced with Rust, Git, Docker, and local testing.
Posted Jul 16, 2026
Help evaluate how AI models solve real-world software bugs by triaging GitHub issues, configuring repositories, and testing Python codebases. This part-time contractor role requires 20+ hours per week and is open in select countries.
Posted Jul 16, 2026
Evaluate real software repositories and help measure how well AI coding systems fix bugs. This remote, three-month contractor assignment offers 20 hours per week for engineers skilled in codebases, testing, Git, and Docker.
Posted Jul 16, 2026
Build and evaluate AI systems through Python development, supervised fine-tuning, RLHF, response ranking, and public-data analysis. This fully remote contractor role offers 20, 30, or 40 hours per week for a one-month engagement.
Posted Jul 16, 2026
Join OpenTrain as a contractor producing authoritative computer‑science answers, creating golden responses, and reviewing technical solutions to improve AI. PhD required; 20+ hours/week; $80–$90/hr; fully remote and open worldwide (English).
Posted Jul 15, 2026
Join OpenTrain to implement C++ checker solutions during a live competitive programming contest — $45–$65/hr, 20+ hrs/week, one-time live participation with estimated project earnings of $7,200–$10,400. Remote, contractor-friendly role for skilled C++ competitive programmers.
Posted Jul 11, 2026
Build C++ checkers and test suites that validate complex competitive-programming submissions for next-generation AI training. Remote, contract role for strong competitive programmers who can design problems, write reference solutions, and document edge-case logic.
Posted Jul 11, 2026
Software Engineering subject-matter work in AI training can involve examining code, assessing whether model responses meet a technical brief, or applying programming knowledge while labeling and reviewing examples. Depending on the individual role, the work may also include writing or rating responses, evaluating related outputs, or checking the quality and relevance of technical data. AI-training work depends on careful human judgment, and the specific responsibilities are set by each live posting.
OpenTrain is the hiring organization for the public roles on OpenTrain, and candidates apply through OpenTrain. A successful candidate may be placed or referred to the client whose project they will support. Because hiring requirements and role terms are specific to each opportunity, read the individual live posting for the details that apply before deciding whether to pursue it.
