Remote AI training and data labeling jobs

Write and review Lean 4 proofs for a leading AI lab, formalize informal mathematics and judge whether a model's proof actually proves the right statement. A W-2 part-time employment position through Cincinnatus LLC, at least 20 hours a week and up to 40, paying $90–110/hour.

Condensed matter PhDs create, solve, review or audit research-level problems for CritPt, a public benchmark testing whether frontier AI models can do real physics research. Nineteen narrow research areas, from bosonization to SYK. Remote hourly contract at $80–110 per hour.

AMO physicists create, solve, review or audit research-level problems for CritPt, a public benchmark testing whether frontier AI models can do real physics research. Seven narrow areas, including levitated optomechanics, cavity QED and ultracold atoms in optical lattices. Remote hourly contract at $80–110 per hour.

Researchers who have published on stochastic autocatalytic growth create, solve, review or audit research-level problems for CritPt, a public AI physics benchmark. A single narrow area: chemical master equations, branching processes and reaction-network moments. Remote hourly contract at $80–110 per hour.

High energy and nuclear theorists create, solve, review or audit research-level problems for CritPt, a public benchmark testing whether frontier AI models can do real physics research. Seven narrow areas, from AdS/BCFT to quasi-PDFs and dark photon searches. Remote hourly contract at $80–110 per hour.

Mathematical physicists create, solve, review or audit research-level problems for CritPt, a public AI physics benchmark, where the standard of proof sits closer to mathematics than physics. Four narrow areas, from hypergeometric identities to Fefferman-Graham geometry. Remote hourly contract at $80–110 per hour.

Remote hourly contract for experimental physicists, chemists and materials scientists who already use Origin or OriginPro on their own Windows PC for graphing and curve fitting. $45–55/hour, paid weekly via Stripe or Wise. Bring your own licence and a screen above 2.5 megapixels.

Build and evaluate training data for a frontier lab's materials science models: DFT, AIMD, classical MD, surface and adsorption modeling, reaction energetics. For US-based computational PhDs fluent in VASP, Quantum ESPRESSO, CP2K, LAMMPS or ASE. Long-term, 10–40 hours a week, $84/hour.

Materials science PhDs author original, executable research problems for a scientific-computing AI benchmark, with depth in both semiconductor materials and molecular modeling. Tasks ship only when frontier models fail them more often than not. 6 weeks, 20+ hours a week, Git and Docker workflow. $70/hour, 212 hired this month.

Ukrainian-speaking PhD chemists and biologists write specialised science prompts in Ukrainian and grade AI answers for accuracy and safe handling of dual-use topics. Part-time remote at $48–52/hour, $10 above the Ukrainian generalist role. Eastern Europe preferred, not required; 11 hires this month.

Japanese-speaking PhD chemists and biologists write specialised science prompts in Japanese and grade AI answers for accuracy and dual-use safety. Part-time remote at $68–72/hour, second-highest in the series and $20 above the Japanese generalist role. East Asia preferred, not required.

Red-team frontier AI models on chemical safety: write benign, dual-use and adversarial prompts from exposure and process-hazard work, judge responses against a policy standard, and write reference answers. Remote contract at $65–75 per task.

Full-time Bay Area hybrid role with an AI lab's research team: review model reasoning on life sciences tasks, write golden solutions and instruction specs, and design benchmarks. For life sciences PhDs with 4+ years of substantive research experience. W-2 via Cincinnatus, $65–105/hour.

Umbrella listing for Mercor's chemistry red-team panel: synthetic, analytical, forensic, defence and process safety chemists write benign, dual-use and adversarial prompts, judge frontier AI replies against a policy standard, and write reference answers. Remote contract at $65–75 per task; 5 hired this month.

Red-team frontier AI models on chemical misuse: write benign, dual-use and adversarial prompts from trace analysis and method validation, judge responses against a policy standard, and write reference answers. Remote contract at $65–75 per task.

Red-team frontier AI models on chemical misuse: write benign, dual-use and adversarial prompts from route design and scale-up experience, judge responses against a policy standard, and write reference answers. Remote contract at $65–75 per task.

Write and verify expert-level physics multiple-choice questions (one right answer, nine plausible wrong ones) for an AI benchmark, across semiconductors, photonics, quantum sensing, plasma, turbulence and geophysics. PhD or doctoral candidate preferred. Remote hourly contract at $61–77/hour, 10+ hours a week.

PhD chemists and biologists who write fluent Finnish: author specialised science prompts and judge how AI models answer them, including where a question strays into dual-use territory. Part-time remote at $61–65/hour, $13 above the Finnish generalist role. Finland or Western Europe preferred, not required.

Thai-speaking PhD chemists and biologists write specialised science prompts in Thai and grade how AI models answer them, with a focus on dual-use safety. Part-time remote at $24–28/hour, $6 above the Thai generalist role. Southeast Asia preferred, not required; 10 hires this month.

For Danish-speaking PhD scientists in chemistry or biology: write specialised prompts in Danish, grade AI answers for accuracy and safe handling, and classify conversations against guidelines. Part-time remote at $61–65/hour. Denmark or Western Europe preferred, not required; PhD candidates eligible.

Formulation and synthesis chemists from pyrotechnics or propellant work red-team frontier AI models: write benign, dual-use and adversarial prompts, grade the model replies against a policy standard, and write reference answers. Remote contract at $65–75 per task.

The best-paid role in Mercor's bilingual AI safety series: Norwegian-speaking PhD chemists and biologists write specialised science prompts and grade how AI models handle dual-use questions. Part-time remote at $77–81/hour. Norway preferred, not required; PhD candidates eligible.

Experimental scientists create and review training data for a frontier lab's materials science models: inorganic synthesis, superconductors, semiconductors and advanced packaging, characterization (XRD, SEM, TEM) and fabrication. PhD, MS or equivalent hands-on experience. US-based, 10–40 hours a week, $84/hour.

Full-time W-2 role through Cincinnatus LLC, embedded with a leading AI lab: senior drug development scientists write golden solutions, instruction specs and benchmarks for pharma R&D reasoning. Hybrid in the Bay Area, 40 hours a week for an initial 6 months. PhD, PharmD or MD with 4+ years in industry R&D. $75–115/hour.