Remote AI training and data labeling jobs

A full-time W-2 placement at a leading AI lab through Cincinnatus LLC: US-based mechanical engineers vet model outputs, write instruction specs and reference solutions, and build benchmarks. 5+ years in industry and a mechanical engineering degree required. 40 hours a week for an initial 2–3 months, $60–90/hour.

Judge AI-enhanced and upscaled video and stills at pixel level for a leading AI lab's GenAI team: artifacts, noise, aliasing, banding, grain, sharpening. For VFX and rendering supervisors, colorists, DPs, lighting artists and high-end photographers with 5+ years. US, 20 hours a week, $60–90/hour.

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.

Seasoned transactional lawyers redline contracts in simulated negotiations, grade AI responses to contract scenarios, and design the criteria that score them. Three years in-house on technology transactions (MSAs, NDAs, ISDAs, derivatives) is the stated bar; M&A or fund formation at a firm is preferred. 100 openings, task-based at $90–130/hour and about 3.5 hours per task.

Evaluate AI-generated psychological content for clinical accuracy, bias and cultural fit, and build case studies and therapeutic dialogues for training. PhD in psychology or MD with psychiatry residency, plus native fluency in one of 16 listed languages and advanced English. 70 openings, contractor, $100–200/hour.

Create and annotate 3D character animations in Blender, Maya or Cinema 4D so AI models learn how rigged characters move. Pitched at entry and mid-level animators, not seniors. One opening, contractor, $15–80/hour.

Review AI-narrated audiobooks in US / North American English and flag where the synthetic narrator slips: mispronounced names, dropped or added words, numbers and abbreviations read wrongly, flat intonation, glitches. The best-paid version of this project at $20–25/hour. Remote hourly contract, about 20 hours a week.

Listen to AI-narrated audiobooks in US / North American Spanish and log each narration error: mispronounced, skipped or added words, misread numbers and abbreviations, stiff intonation, audio glitches. For native Spanish-speaking audiobook listeners. Remote hourly contract, about 20 hours a week, $15–20/hour.

Take finished editorial, poster and marketing designs apart into structured layers (hierarchy, geometry, type system, style) and describe short video clips in cinematography terms, building a design dataset for AI training. Thirty openings, contractor, $20–50/hour, with a quality-lead track for designers with 7+ years or art direction experience.

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.

Remote hourly contract for mechanical engineers and equipment designers who already run Autodesk Inventor Professional on their own Windows PC. $45–55/hour, paid weekly via Stripe or Wise. Bring your own licence and a display above 2.5 megapixels; the tasks are not described.

Act as ground truth for an AI lab teaching models real enterprise sales work: audit workflows, build golden reference trajectories in a mock sales stack, and refine rubrics. For sellers with around 10 years in enterprise sales. US only, $60–90/hour, placed via Cincinnatus.

Senior mechanical engineers from Fortune 500 or major industrial manufacturers write AI evaluation scenarios drawn from real product design, analysis and certification work, with reference outputs and rubrics on an ASME or ISO track. 5+ years required. Remote hourly contract at $70–80/hour; 285 hires this month.

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.

Senior commercial litigators build AI evaluation scenarios covering discovery, motions, trial and arbitration, with reference pleadings, motions and rubrics. US (FRCP, FRE) or international (English CPR, ICC, LCIA) track. Remote hourly contract at $90–100/hour; 5+ years with trial or arbitration experience.

Certified bomb technicians, EOD veterans and bomb squad leaders red-team frontier AI models: write benign, dual-use and adversarial prompts from public-safety practice, judge model responses 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.

Practising US primary care, family medicine or general internal medicine physicians review outpatient notes and judge AI-written documentation against what a PCP would actually chart. Needs C1 or better in one of 25 listed languages. 2+ years post-residency, 10 hours a week, $170–190/hour.

Redline contracts in simulated negotiations, grade how an AI handles the same scenarios, and write the criteria that score it. This In-House Counsel variant asks for three years in-house on technology transactions including ISDAs and derivatives. 100 openings, task-based pay at $90–130/hour and roughly 3.5 hours per task.

Turn document sets (public records, reports, long filings) into verified, non-opinion news articles that become AI training data. Four years at a recognised outlet on a document-heavy beat is the bar. Fifty openings, contractor, $40–75/hour, remote.

Adversarial testing of AI chat models in Bahasa Indonesia and English: jailbreaks, prompt injection, bias and multi-turn manipulation, recorded as structured red-team data. Native Indonesian plus prior red-teaming or security experience. Remote hourly contract, $17–25/hour, weekly pay.

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.

Produce or judge expert finance deliverables for AI: PnL and AP reconciliations, 3-statement and pro-forma models with purchase accounting, covenant analysis and partnership allocations, all from messy source documents. For product control, FP&A, technical accounting and treasury people with 3+ years. $70/hour, remote.