Open AI training and data labeling positions available to applicants in United States. Every job is remote — apply with a free OpenTrain account.
Remote contractor role evaluating and red-teaming large language models in Hebrew and English (20+ hrs/week). Earn $26–$38/hr (typical $32/hr) reviewing, scoring, and documenting safety failures to improve model behavior for a global AI data services team.
Posted Apr 3, 2026
Work remotely as a contractor evaluating LLM outputs in French and English, focusing on safety, policy alignment, and red-team case creation; 20+ hrs/week, $24–$36/hr. Must have hands-on LLM red-teaming experience and trust & safety or moderation background.
Posted Apr 3, 2026
Remote contractor role reviewing and improving French LLM outputs using your bilingual expertise and linguistics training; rate responses, write corrections, and produce clear explanations to improve model reasoning. BA required; pay USD 16.00–26.50/hr (typical $24/hr).
Posted Apr 3, 2026
Remote hourly contractor role evaluating AI safety and reasoning in English and Spanish; rate $14–$24/hr (typical $20/hr). Use your Trust & Safety, moderation, or red-teaming experience to label, review, and improve LLM safety across multilingual content.
Posted Apr 3, 2026
Remote contractor role evaluating and labeling safety-sensitive AI responses in Arabic and English; requires near-native Arabic, C1 English, LLM red-teaming experience, and 20+ hours/week. Pay $15–$40/hr (typical $25/hr).
Posted Apr 3, 2026
Fully remote contractor role reviewing and generating high-quality bilingual (Arabic/English) AI responses; part-time (20+ hrs/week) with pay $6–$12/hr (typical $11/hr). Ideal for experienced Arabic-English reviewers with BA/BS and strong editorial skills.
Posted Apr 3, 2026
Work as a contractor evaluating AI-generated biological answers for accuracy, reasoning, and clarity — remote and flexible with competitive hourly pay ($25–$55/hr, typical $45/hr). This role requires a BS or higher in a life-science from a top-100 university and strong research-based biological reas
Posted Apr 3, 2026
Join a global, part-time contract role reviewing AI-generated medical content and writing clinical solutions to improve model safety and accuracy. Remote work, under 20 hrs/week, hourly pay range $25–$72 USD (listed rate $60/hr).
Posted Apr 2, 2026
Join a remote, contract role evaluating and improving LLM-driven infrastructure automation: create prompts, rate and refine runbooks, and test reliability under load for complex DevOps workflows. Part-time (20+ hrs/week), $15–$45/hr; applicants need 2+ years DevOps/infrastructure experience and Engl
Posted Mar 29, 2026
Contract role building and evaluating complex automation workflows (Make.com / n8n) and custom JavaScript to improve reliability, error handling, and performance; 20+ hrs/week, hourly pay up to $45. Apply with an English CV showing your English level, email, and phone.
Posted Mar 29, 2026
Join OpenTrain to train and evaluate AI systems focused on API integrations and interoperability, working remotely 20+ hrs/week as a contractor. Design prompts, assess AI-generated integration plans and payloads, and troubleshoot REST API and webhook workflows for $15–$45/hr.
Posted Mar 29, 2026
Join a remote, contract role (20+ hrs/week) building LLM-powered automation pipelines: design and refine prompts, integrate LLM APIs, and perform rubric-based evaluation and QA. Pays $15–$45/hr; intermediate-level work focused on evaluation, RLHF, and function-calling.
Posted Mar 29, 2026
Join a fast-growing AI-training project to create and evaluate complex n8n automation workflows in self-hosted environments. Remote, contract role for experienced n8n builders who can write prompts, rate LLM outputs, and improve resilient, scalable integrations.
Posted Mar 29, 2026
Join a fast-growing AI-training project as a No-Code Automation Specialist building and evaluating Zapier/Make.com workflows that train and stress-test AI. Part-time contract, remote work (20+ hrs/week) with hourly pay up to $45/hr — apply with an English CV and contact details.
Posted Mar 29, 2026
Design and validate research-style, computationally intensive quantitative finance problem sets using Python. Part-time contract (20+ hrs/week), $15–$60/hr; requires a Bachelor’s+ in a quantitative field, 2+ years quant experience, and strong Python/numerical skills.
Posted Mar 29, 2026
Design and validate reproducible, research-style computational statistics problems using Python and scientific libraries; part-time contractor role requiring a statistics degree, 2+ years experience, and hands-on annotation or review experience. 20+ hrs/week, paid hourly up to $60.
Posted Mar 29, 2026
Design and verify reproducible, research-grade computational biology problems and solutions using Python and standard bioinformatics libraries; part-time contractor work with pay from $15–$60/hr. Requires a Biology degree, 2+ years' computational biology experience, and strong Python skills.
Posted Mar 29, 2026
Part-time contractor needed to design research-grade computational chemistry problems and verified Python solutions; PhD and 3+ years computational chemistry experience required. 20+ hrs/week, pay $15–$60/hr depending on complexity.
Posted Mar 29, 2026
Design and verify research-style computational physics problems and reproducible Python solutions for AI training projects. Part-time contract (20+ hrs/week), remote worldwide except listed locations, pay $15–$60/hr depending on scope and experience.
Posted Mar 29, 2026
Author original, research-style computational mathematics problems and provide fully reproducible Python verifications for AI training. Requires a Mathematics degree, 2+ years relevant experience, strong Python (NumPy/SciPy/SymPy), 20+ hrs/week, paid $15–$60/hr.
Posted Mar 29, 2026
Write original mechanical-engineering computational problems and fully verified Python solutions using NumPy, Pandas, and SciPy; 20+ hours/week, contractor/part-time, $15–$50/hr. Submit a CV in English that includes your email, phone, and English proficiency.
Posted Mar 29, 2026
Create original, Python-solved electrical engineering problems and verified solutions for AI training. Requires an EE degree, 2+ years of professional or teaching experience, strong Python with NumPy/SciPy/Pandas, and clear reproducible documentation.
Posted Mar 29, 2026
Design original, realistic civil engineering computation problems and deliver fully verified Python solutions; remote, contract role at 20+ hours/week paying $15–$50 USD/hr. Ideal for civil engineers with 2+ years' applied/research/teaching experience and strong written English (C1+).
Posted Mar 29, 2026
Annotate bounding boxes on US driver’s license images to extract name, address, ID numbers, portrait, signature and other fields for document-understanding models. Entry-level, part-time contractor work (target $5/hr), remote and flexible under 20 hrs/week.
Posted Mar 24, 2026
Design, build, and launch high-conversion ecommerce landing pages and brand storefronts using no-code platforms (Shopify, Webflow, Squarespace, WordPress). Part-time contractor role (under 20 hrs/week) with portfolio required and pay $10–$25/hr (typical $20/hr).
Posted Mar 11, 2026
Review AI-extracted records from PDFs, emails, and scanned files to confirm, correct, and complete structured fields for various document types in commodities and logistics. Part-time contractor role, remote, under 20 hours/week at $12/hr — ideal for candidates with back-office document experience.
Posted Mar 3, 2026
Build a 3,000–5,000 example supervised fine-tuning dataset and run QLoRA on Qwen3‑Coder focused on JUCE/C++ audio DSP. Expert C++/JUCE and DSP background required; 20+ hrs/week, fixed-price contract of $1,000.
Posted Feb 27, 2026
Join a remote, part-time contractor role extracting structured data from complex, JS-heavy websites using Python, Apify/OpenRouter, and your own scripts. $20/hr, 20+ hours/week; B2+ English and 1+ year relevant experience required.
Posted Feb 26, 2026
Record high-quality US English speech for AI training at $30/hr. Contract, remote work requiring professional recording equipment and native or near-native US English pronunciation.
Posted Feb 22, 2026
Work remotely as an entry-level AI Quality Analyst reviewing text prompts and model responses for accuracy, relevance, clarity, and safety at $5/hr. Flexible, part-time contractor role (<20 hrs/week) with training, clear guidelines, and ongoing quality audits.
Posted Feb 22, 2026
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