US Contract Attorney - AI Trainer

About the Role Mercor is partnering with a leading AI lab to train frontier models on high-quality legal reasoning data. This is an evergreen talent pool for experienced US Transactional attorneys — by applying, you join a standing bench and are considered for ongoing and upcoming legal-AI projects as they launch. We review applications on a rolling basis and reach out when work that fits your background comes up. What You'll Do Compare pairs of responses to transactional tasks (contract drafting, redlines, issues lists, due diligence summaries and deal analyses) and decide which is stronger, with clear reasoning Write concise justifications grounded in the source documents and applicable US law Create realistic legal prompts, fact patterns and model answers drawn from your transactional experience Flag errors, gaps and risky advice in AI-generated legal content Attend onboarding and calibration sessions You're a Good Fit If You Are admitted to practice in at least one US state (active bar membership) Have 3+ years of US transactional practice, such as M&A, finance, capital markets, commercial contracts or corporate matters Hold a J.D. from an ABA-accredited law school Write clearly and pay close attention to detail Bonus Qualifications 2+ years of experience at an AmLaw 100 firm (strongly preferred) Prior work on legal AI projects with Mercor Prior data annotation, AI evaluation or legal-benchmark experience Role Highlights Evergreen talent pool — apply once and be considered for ongoing projects as they launch Fully remote, flexible hours; recurring tasks as new work comes up Applications reviewed on a rolling basis #J-18808-Ljbffr Mercor