Remote AI training and data labeling jobs

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.

Microbiologists apply knowledge of bacteria, fungi and algae, pathogenesis and antimicrobial effects to rubric-based review and documentation for AI training. Contractor, remote, 100 openings, $70–90/hour. A bachelor's degree in biology, microbiology or chemistry is the stated minimum.

Write and review evaluation tasks that make an AI derive, reproduce or validate clinical trial statistics from TFLs and CDISC datasets, and catch mismatches between outputs, the SAP and the CSR narrative. Remote contractor, $60–65/hour, 30 openings; 5+ years in clinical trials and SAS or R preferred.

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.

Research-level benchmark work on bacterial population growth: two-state growth-rate switching with gamma-distributed waiting times, the Euler-Lotka equation, renewal theory and first-passage times. Solver, Auditor or Adjudicator roles. Ten openings, contractor, $80–160/hour, remote.

Curate and annotate drug-discovery datasets, judge AI answers on medicinal chemistry and molecular analysis, and write feedback that improves the model. Contractor, remote, 30 openings, $90–120/hour. An advanced degree and cheminformatics or omics experience are the preferred background.

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.

Croatian-speaking PhD chemists and biologists write specialised science prompts in Croatian and evaluate how AI models answer, including how they handle dual-use questions. Part-time remote at $48–52/hour, $10 above the Croatian generalist role. Eastern Europe preferred, not required; 9 hires this month.

Author or verify expert multiple-choice biology questions (one correct answer, nine subtle distractors, chain-of-thought solution, references) for an AI benchmark in pharma manufacturing, synthetic biology, drug discovery and agricultural, environmental and food biology. PhD or candidate preferred. $60–75/hour, 10+ hours a week.

Quantum and computational chemistry PhDs write original, runnable research problems for a scientific-computing AI benchmark, with grading criteria, calibrated until frontier models fail them more often than they pass. 6 weeks at 20+ hours a week, Git and Docker workflow. Flat $70/hour; 182 hired this month.

Hands-on preclinical scientists from companies that develop their own drugs annotate R&D data and model outputs, and advise an AI lab building foundation models for drug discovery. Any modality, 5+ years industry R&D, about 10 hours a week. $60–100/hour.

Preclinical scientists with direct antibody-drug conjugate or bispecific antibody experience annotate R&D data and advise an AI lab building drug discovery foundation models. In-house asset developers only, 5+ years industry R&D, about 10 hours a week. $60–100/hour.

Belgium-based PhD chemists and biologists who write Belgian Dutch: author specialised science prompts and grade how AI models handle accuracy and dual-use safety. Belgium residence required. Part-time remote at $61–65/hour, $13 above the Belgian Dutch generalist role; 9 hires this month.

Red-team frontier AI models from the chemical defence side: write benign, dual-use and adversarial prompts drawn from countermeasures, protection and detection work, judge how models respond against a policy standard, and write the reference answers. Remote contract at $65–75 per task.

Korean-speaking PhD chemists and biologists write specialised science prompts in Korean and grade AI answers for accuracy and dual-use safety. Part-time remote at $63–67/hour, $15 above the Korean generalist role and third-highest in the series. East Asia preferred, not required.

Hindi-speaking PhD chemists and biologists write specialised science prompts in Hindi and grade AI answers for accuracy and safe handling of dual-use topics. Part-time remote at $23–27/hour; India or South Asia preferred, not required. 12 hires this month, among the busiest in the series.

Portuguese-speaking PhD chemists and biologists write specialised science prompts in Portuguese and grade how AI models handle accuracy and dual-use safety. Part-time remote at $50–54/hour; Portugal or Western Europe preferred, not required. PhD candidates eligible; 9 hires this month.