The Data Labeling Marketplace | Where AI Builders and AI Trainers Connect to Build the Future | AI Training Talent Layer
Seattle, Washington
The AI Data Labeling Marketplace: Find, hire, and securely pay vetted AI Trainers/data labelers across 110+ countries & any domain expertise. Key Features of OpenTrain AI -Global Network: Access the #1 open network of AI Trainers & data labelers from over 110 countries, with varied expertise in numerous domains, language, and data annotation disciplines. -Comprehensive Talent Solutions: Source both Freelance AI Trainers and Outsourced Data Labeling Providers to find the right fit for any project scale or complexity. -Secure Global Payments: Utilize our escrow milestone payment system for paying your AI Trainers globally. Clients can make payments via all major credit cards, with funds held securely in escrow until project milestones are successfully completed and approved. -Efficient Payment System: Our system supports automated payouts across 110+ countries, making it easy to hire diverse & global talent from a single platform for any AI training requirement. OpenTrain AI: Where AI Builders and AI Trainers Connect to Build the Future
Remote · Canada
Create realistic litigation tasks and evaluate AI responses for legal accuracy, reasoning, writing quality, and procedural fit. Analyze AI-generated motions and arguments, provide practitioner-quality legal analysis, and define grading standards that identify weaknesses or omissions.
Remote · Canada
Create and refine expert responses to civil and commercial litigation strategy questions, and compare legal materials and research with AI-generated outputs. Evaluate the accuracy and completeness of AI responses, explain errors or shortcomings, and apply consistent standards across review assignments.
Remote · Canada
Conduct mock deal negotiations and redline commercial agreements, then evaluate AI-generated contract reviews for accuracy, legal risk, and reasoning failures. Apply a consistent scoring framework and provide practical legal feedback to improve the AI system.
Remote · Canada
Develop culturally sensitive psychological case scenarios and training materials in Cantonese and English. Review AI-generated psychological content and assessments for accuracy, ethical judgment, and alignment with clinical and academic best practices, then document findings and recommendations.
Remote · Canada
Evaluate AI-generated answers to data science and statistics problems, assessing the validity of methods and conclusions. Create analytical prompts and datasets, write reference solutions, and explain errors in reasoning and statistical methods.
Remote · Canada
Frame foundational research problems as realistic AI research tasks, and evaluate AI-generated proofs and algorithms for correctness, novelty, and significance. Reproduce numerical results and computational experiments, then write concise research memos describing partial solutions, model limitations, and recurring failure patterns.
Remote · Canada
Evaluate quizzes, tutoring content, and interactive learning materials for academic accuracy, teaching quality, learner suitability, and alignment with learning objectives. Apply or improve assessment rubrics and provide clear feedback and recommendations on educational value.
Remote · Canada
Design reproducible coding tasks, create reference solutions and validation checks, and provide code samples and practical guidance on debugging and technical reasoning. Review code submissions to identify defects and performance bottlenecks, assess AI-generated work, and explain where it falls short.
Remote · Canada
Create challenging software engineering tasks, evaluate AI-generated code for correctness and maintainability, and develop reference solutions and test cases. Provide detailed feedback on technical decisions, architectural weaknesses, and AI model performance.
Remote · Canada
Analyze complex mechanical assemblies in FreeCAD-format files and identify how their components relate. Develop precise technical questions and accurate answers about mechanical functions, design rationale, and dimensional considerations, then review the work for clarity and engineering accuracy.
Remote · Canada
Develop realistic psychiatric case studies and assess and annotate them using Cantonese-language clinical practice. Prepare clinical notes and analyses in Cantonese and English, and evaluate mental health AI methods while identifying areas for improvement.