AI training jobs — Spain
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QA Engineer – 2D & Creative Applications
QA engineers test 2D design, animation and illustration software and document bugs to improve AI system quality. Remote contract, $90-$175/hr.
Mathematical Physicist (PhD)
Mercor seeks PhD mathematical physicists to create and review research-level problems for the CritPt AI benchmark. Remote, $80-$110/hr, about 10 hrs/week.
Atomic, Molecular and Optical Physicist (PhD)
Mercor seeks PhD atomic, molecular and optical physicists to create and review research-level problems for the CritPt AI benchmark. Remote, $80-$110/hr, about 10 hrs/week.
High Energy Physicist (PhD)
Mercor seeks PhD high energy physicists to create and review research-level physics problems for the CritPt AI benchmark. Remote, $80-$110/hr, about 10 hrs/week.
Systems & Integration Engineering Experts
Mercor seeks hands-on systems, integration, reliability and test engineers to evaluate hardware engineering problems for AI research. Remote, $100-$120/hr, part-time.
Apple Watch Users: Opportunity for You
Mercor pays a one-time $60 to Apple Watch/iPhone users for sharing a de-identified Apple Health export linked to a qualifying health record. Remote, one export per person.
Get paid to support Wellness Research (US Only)
Mercor pays a one-time $60 for sharing a de-identified Apple Health export linked to a qualifying US health record. Remote, US only, one export per participant.
Graphic Designer
Graphic design experts create and critique visual assets on a customer project that helps train AI systems. Remote contract, $35-$105/hr.
Equity Research Analyst / Associate
Short-term engagement for current or recent sell-side equity research analysts to interview, test and evaluate AI research tools. Remote, $180-$220/hr.
Builders & Developers: Share Your AI Coding Sessions
Mercor pays builders to record their normal AI-assisted coding sessions in OpenCode for AI research. Remote, $500 per accepted session.
Infrastructure / Site Reliability Engineer (SRE)
Mercor is hiring experienced Infrastructure / SRE engineers for a full-time engagement on Kubernetes, AWS and Datadog. Remote, $200/hr, 40 hrs/week.
Database Systems Evaluation Expert
Mercor is hiring database-internals experts to build one benchmark task testing AI agents on database engineering. Remote, $2,200 for one task (~25 hrs).
Lean Engineer, Formal Mathematics (Lean 4, Mathlib, Theorem Proving)
Mercor is hiring Lean 4 engineers to write and review machine-checked proofs and formal statements for a leading AI lab. Remote, $90-$110/hr, 20+ hrs/week.
Clinical Mental Health Expert — AI Conversation Evaluation
Mercor seeks clinical mental health professionals for a short remote task comparing simulated clinical conversations for realism, up to 30 minutes. Remote, $100/hr.
Pharmacist / Pharmacy Technician — Medication Pronunciation Reviewer
Mercor seeks US pharmacists and pharmacy technicians to score audio samples of spoken medication names for an AI healthcare project. Remote, $70/hr.
Senior Economics Research Expert
Mercor is recruiting PhD economists with 2+ years at top institutions for a research project with a foundational AI lab. Remote, $150-$250/hr, 10+ hrs/week.
Generalist Expert
Mercor keeps a standing pool for generalists to be matched to AI training and evaluation projects. Remote, most contracts have paid $40-$70/hr.
Finance Expert
Mercor keeps a standing pool for finance professionals to be matched to AI training and evaluation projects. Remote, listings across the field have posted $60-$180/hr.
Legal Expert
Mercor keeps a standing pool for legal professionals to be matched to AI training and evaluation projects. Remote, listings across the field have posted $60-$150/hr.
Engineering Expert
Mercor keeps a standing pool for engineers to be matched to AI training and evaluation projects. Remote, engineering projects have posted at $60-$125/hr.
Data Analysis Expert
Mercor keeps a standing pool for analysts and data practitioners to be matched to AI training and evaluation projects. Remote, $70-$120/hr.
Medical Expert (M.D./D.O.)
Mercor keeps a standing pool for physicians (M.D./D.O.) to be matched to AI training and evaluation projects. Remote, $115-$150/hr.
Asset & Wealth Management Expert
Mercor keeps a standing pool for asset and wealth managers to be matched to AI training and evaluation projects. Remote, comparable projects have posted at $100-$130/hr.
Company Analysis Expert — Event Propagation
Mercor is hiring senior sector investors to map how events propagate across related companies and grade AI analyses. Remote, $150-$250/hr, about 20 hours a week.