Frontend Engineer Technical Reasoning Specialist

Job Description

Hire AI Trainers & Data Labelers | OpenTrain AI Skip to content For AI Companies Open menu Log In Create Account View this page in ? View Keep English 382,000+ Vetted AI Data Experts The #1 Talent Network for AI Training & Data Labeling Hire pre-vetted domain experts at scale for LLM evaluation, RLHF, red teaming, data labeling, and more. Post a job, get a curated shortlist, and bring talent into any platform you use. Post a Job Get a Managed Service Quote Trustpilot Freelance AI Trainer / Data Labeler? Join 382,000+ freelancers For AI Labs & Companies Source vetted domain experts for RLHF, red teaming, evaluation, and data labeling. Self-service or fully managed. For Freelance AI Trainers Find AI training and data labeling jobs from 20+ platforms. One profile, one place to build your AI training career. For Data Labeling Companies Apply for projects posted by AI companies and tap into our talent network to scale your recruiting. Hire Experts Agentic Code Evaluation ? ? ? ? + 4,816 Sr. Engineers Python Live Opportunities Agentic Code Evaluation Lead Appen · Remote $65-95/hr Python Code Review This Week 847 experts matched to projects 78 % Job Feed 20+ Platforms Agentic AI Evaluation Lead $65-95/hr Medical RLHF Reviewer $55-80/hr Math Reasoning Specialist $50-75/hr Code Generation Evaluator $60-90/hr Legal Contract Analyst $50-70/hr Safety Red Team Analyst $70-100/hr Multilingual AI Trainer $30-50/hr Computer Use Evaluator $45-70/hr Finance Data Trainer $60-85/hr Physics Problem Validator $45-65/hr Creative Writing Evaluator $35-55/hr Audio Transcription QA $25-40/hr Agentic AI Evaluation Lead $65-95/hr Medical RLHF Reviewer $55-80/hr Math Reasoning Specialist $50-75/hr Code Generation Evaluator $60-90/hr Legal Contract Analyst $50-70/hr Safety Red Team Analyst $70-100/hr Multilingual AI Trainer $30-50/hr Computer Use Evaluator $45-70/hr Finance Data Trainer $60-85/hr Physics Problem Validator $45-65/hr Creative Writing Evaluator $35-55/hr Audio Transcription QA $25-40/hr 847 jobs this week Hire Experts Agentic Code Evaluation ? ? ? ? + 4,816 Sr. Engineers Python Live Opportunities Agentic Code Evaluation Lead Appen · Remote $65-95/hr Python Code Review Hire Experts Agentic Code Evaluation ? ? ? ? + 4,816 Sr. Engineers Python Live Opportunities Agentic Code Evaluation Lead Appen · Remote $65-95/hr Python Code Review 382,000 + Experts 20 + Platforms 40 + Domains 210 + Countries [] Hire Experts Math & Formal Reasoning PhD Mathematicians Proofs = Live Opportunities Agentic Code Evaluation Remote / Contract $65-95/hr Python 382,000+ Experts 20+ Platforms 40+ Domains 210+ Countries All-In-One One Platform to Source, Manage, and Pay AI Training Talent Source vetted talent, manage projects, and handle payments in one workspace. Keep your preferred tools and workflows. Talent Matching Post your requirements. Review only qualified matches. Post once and receive a shortlist of domain experts matched to your project. Our AI screens resumes, runs skills tests, and conducts live interviews so you never wade through unqualified applications. Job Posting RLHF Data Specialist Mathematics PhD Preferred $45-65/hr 47 Qualified Matches Dr. Sarah Chen Mathematics 97 % James Okoro RLHF 94 % Priya Sharma Statistics 91 % Carlos Mendez Data Science 89 % Emily Tanaka Mathematics 87 % Any Platform Bring vetted talent into any tool you use. Deploy experts into any third-party platform, any open-source tool, or your own custom annotation environment. No vendor lock-in, no platform migration. Hire into any tool Label Studio Roboflow AWS SageMaker CVAT Scale Studio SuperAnnotate Encord Dataloop Label Studio Roboflow AWS SageMaker CVAT Scale Studio SuperAnnotate Encord Dataloop Kili Technology Supervisely V7 Darwin Snorkel AI Argilla Datasaur Prodigy Datature Kili Technology Supervisely V7 Darwin Snorkel AI Argilla Datasaur Prodigy Datature Built-In Workspace Chat, docs, and project management. All built in. Centralize team communication, share instructions, assign training modules, and track progress. No need for separate tools. Replaces Slack Discord Chat #rlhf-math-team Sarah C. Guidelines v2.3 published James O. Batch 7 edge cases flagged You Releasing milestone 2 Replaces Notion Docs W Word PDF PDF Docs Training Guidelines v2 Global Payments Pay talent directly. Flat fee. No hidden markups. Pay securely across 210+ countries. You see exactly what talent earns and what the marketplace fee is. No bundled software charges, no surprise costs. Batch Payout #47 Processed QA Specialists 12 people $4,680 RLHF Trainers 8 people $3,240 Data Labelers 24 people $8,160 44 people · Flat fee $2,412.00 Solutions Hire Top Talent for Any AI Training Need. Any Domain, Any Scale. From RLHF and red teaming to image annotation and multilingual evaluation. Pre-vetted domain experts and skilled annotators ready to work inside your tools. Response A Preferred +0.82 Response B Rejected −0.34 Post-Training & Alignment RLHF preference ranking