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.
Solve and evaluate complex electrical design problems (power distribution, protection coordination, equipment sizing, load flow) on a short-term expert evaluation project for a leading technology organization. For practising electrical design engineers. Remote, $70–85/hour.
Hands-on ML researchers take on scoped, open-ended empirical problems: training image classifiers and generators from scratch, fine-tuning open-weight LLMs, adversarial robustness, compression under hard budgets, and multilingual pre-training. 3+ years of ML research (PhD counts). Remote hourly contract at $100–120/hour.
Probe AI chat models and agents for safety failures in Vietnamese and English (jailbreaks, prompt injection, bias, multi-turn manipulation) and document each as reproducible data. Native Vietnamese plus prior red-teaming or security experience. Remote hourly contract, $17–25/hour.
Remote hourly contract for power users, IT administrators and desktop support staff who run Windows 11 Pro as their daily OS. $60–70/hour, paid weekly via Stripe or Wise. Home edition users may not qualify, and a single 1080p screen does not meet the display rule. Tasks are not described.
Export control, treaty and proliferation analysts red-team frontier AI models: write benign, dual-use and adversarial prompts from nonproliferation work, judge model responses against a policy standard, and write reference answers. Remote contract at $65–75 per task.
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.
A broad legal AI training brief for lawyers with Vault Law 100 experience: analyse US law questions, research, draft and edit memos and contracts, and quality-check legal content. Firm pedigree is mandatory; practice area is open. 100 openings at $140–400/hour, remote contractor.
Onsite in Los Angeles: deploy and babysit robots doing repetitive commercial tasks, log every bug and hardware fault in Jira, and handle bring-up, shutdown and safety routines. Physical work, lifting up to 50 lbs. Ten openings, contractor, $10–20/hour.
Record studio-quality Dutch speech across a range of prompts and scenarios for AI speech datasets, on your own professional equipment. Native Dutch and three years of professional recording experience; you need your gear at the interview. 21 openings, contractor, $20–40/hour.
Nuclear forensics, radiochemistry and detection specialists red-team frontier AI models: write benign, dual-use and adversarial prompts from characterisation and attribution work, judge model replies against a policy standard, and write reference answers. Remote contract at $65–75 per task.
A full-time W-2 role (via Cincinnatus LLC) embedded with a leading AI lab in the Bay Area: review legal model outputs, write instruction specs and golden solutions, and build legal benchmarks. Hybrid, on-site several days a week, 6-month initial term. $60–100/hour; JD, 5+ years' practice, US bar.
MC&A, physical protection and vulnerability assessment specialists red-team frontier AI models: write benign, dual-use and adversarial prompts from nuclear security work, judge model replies against a policy standard, and write reference answers. Remote contract at $65–75 per task.
Run 20-minute structured interviews that vet senior engineers (GPU kernels, security research, ML compilers) for a frontier lab's AI training and evaluation panel, then tier each candidate and write a summary. For experienced recruiters and technical vetters. US, part-time, about 10 hours a week, $50–60/hour.
Compare several AI-generated answers to the same writing prompt, score each for clarity, tone, helpfulness and fidelity to the brief, and write a short rationale, with a sharp eye for prose that persuades while getting facts wrong. Ten openings, high demand, contractor at $90–140/hour. Asks for a journalism or editing background.
Native or native-level French speakers anywhere in the world, with a standard, neutral accent and no regional or foreign influence, record one session of about four hours that a Mercor client uses to clone the voice for its internal customer-experience AI agent. $50–100/hour, no location limit. You are licensing your voice.
Mexico-based native speakers with a Mexican Spanish accent record one session of about four hours, which a Mercor client uses to clone the voice for its internal customer-experience AI agent. $50–100/hour, paid in USD, no acting background required; one hire already this month. You are licensing your voice.
UK-based native English speakers with a neutral, standard British accent record one session of about four hours so a Mercor client can clone the voice for its internal customer-experience AI agent. Open to any gender, no acting experience required. $50–100/hour, paid in USD. You are licensing your voice.
Native Swiss German speakers living in Switzerland record one session of about four hours, which a Mercor client uses to clone the voice for its internal customer-experience AI agent. $50–150/hour, tied for the highest ceiling in the family. No acting experience required. You are licensing your voice.
US-based African American voice actors with a natural African American English delivery record one session of about four hours, which a Mercor client uses to clone the voice for its internal customer-experience AI agent. $50–100/hour, no acting experience required. You are licensing your voice, so read the usage terms first.
For Flemish speakers living in Belgium: write sensitive-topic prompts in Belgian Dutch, classify conversations and flag adversarial phrasing so AI models handle Belgian usage safely. Belgium residence required; bachelor's (in progress is fine) and business English. Part-time remote at $48–52/hour.
Record studio-quality Mandarin speech on your own professional equipment for an AI training dataset: varied tones, clean takes, edited and delivered to spec. Three years of professional recording experience preferred, and you need your gear at the interview. 25 openings, contractor, $20–40/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.
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