Remote AI training and data labeling jobs

Female native Peruvian Spanish speakers living in Peru 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 in USD, no acting experience required; one hire already this month. You are licensing your voice.

Native Gujarati speakers in India annotate the structure of real Gujarati PDF pages and transcribe every text region exactly in Gujarati script, handwriting included, to build training data for document AI. Remote hourly contract at $12.68/hour; every task is peer-reviewed by a second Gujarati expert.

Audit end-to-end AI-assisted coding sessions (traces from tools like Cursor, Copilot or Claude Code) used to train and evaluate a frontier lab's models, judging correctness, workflow and reasoning with rubric-based feedback. 3+ years of software development plus hands-on agentic coding. US-only, $70–90/hour.

Audit Italian speech data for Amazon's Sonic collections: judge annotators' transcripts against audio with fixed error codes and pass/fail verdicts, and correct word-level timestamp alignment. Native Italian as spoken in Italy is a hard requirement; rationales are written in English. Remote hourly contract at $39.50/hour.

Full-time Bay Area hybrid role embedded with an AI lab: review model reasoning on materials problems, write golden solutions and specs, and build benchmarks. For materials PhDs (or master's with exceptional industrial depth) with 4+ years of R&D. W-2 via Cincinnatus, $70–110/hour.

ML systems engineers write and evaluate training tasks for a frontier lab across GPU kernels, performance profiling, distributed debugging and LLM inference serving, plus the rubrics that grade them. 2+ years of hands-on ML infrastructure work. Canada, UK or US; 40 hours a week. $90–120/hour.

Audit German speech data for Amazon's Sonic collections: verify annotators' transcripts against audio using fixed error codes and pass/fail verdicts, and correct word-level timestamp alignment. Native German as spoken in Germany is a hard requirement; rationales are in English. Joint top rate of the Sonic set at $41.50/hour, remote.

Native Bengali speakers based in India map the layout of real Bengali PDF pages and transcribe every text region character for character in Bengali script, handwriting included, to train document AI. Remote hourly contract at $12.68/hour, with a second-expert review of every task.

Transcribe Spanish and English audio with precision, add metadata and contextual notes, and proofread for an AI training dataset. Native or near-native Spanish and professional transcription experience preferred. 15 openings, contractor, $20–36/hour.

Test AI chat models in Marathi and English for safety failures (jailbreaks, bias, harmful answers) and judge whether their Marathi is accurate and appropriate rather than Hindi in disguise. Evaluation judgment is the core ask. Remote hourly contract, $16–22/hour, weekly pay.

Remote hourly contract for colorists and video editors who already work in DaVinci Resolve on their own Mac. $30–40/hour, paid weekly via Stripe or Wise. The free version of Resolve is widely used; you also need a display above 2.5 megapixels. Tasks are not described.

Help an AI lab evaluate a performance transfer model: define what a faithfully captured performance looks like, curate easy and hard benchmark examples, and shape the reviewer pool. For character animators with 4+ years and 2+ feature or AAA credits. US, sessions in LA or NYC, $60–90/hour.

Join Mercor's bench of management consultants for future AI evaluation projects: writing grading criteria for consulting deliverables and scoring AI and human work. No project is open yet. For consultants with 1+ year at MBB or equivalent. Remote, $100–150/hour.

Operational health physicists from DOE sites, national labs, reactors and decommissioning projects red-team frontier AI models: write benign, dual-use and adversarial prompts, judge model replies against a policy standard, and write reference answers. Remote contract at $65–75 per task.

Audit applied machine-learning tasks used to train and evaluate a frontier AI lab's models: experiment design, model selection, evaluation methodology, leakage and metric gaming. For US practitioners with 3+ years of hands-on experimental ML in PyTorch, TensorFlow, scikit-learn or XGBoost. $70–90/hour.

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.

Design Excel tasks from cross-industry experience (data models, dashboards, Power Query, VBA automation), write the solutions, and evaluate AI attempts for a tech company's GenAI team. Breadth across functions, teaching or a PhD help. US only, W-2 via Cincinnatus LLC, 40 then 20 hours a week. $70–100/hour.

Remote hourly contract for game developers, technical artists and virtual production or archviz specialists who already run Unreal Engine on their own Windows PC. $30–40/hour, paid weekly via Stripe or Wise. The engine is free to download; a display above 2.5 megapixels is required.

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.

Native Korean speakers write prompts on sensitive subjects, classify conversations and flag adversarial phrasing so AI models stay safe in Korean. Business English and a bachelor's (in progress is fine). Part-time remote at $48–52/hour; South Korea or East Asia preferred, not required; 7 hires this month.

Certified medical coders (CCDS, CHC, CCS or CPC) review clinical documentation and AI-generated notes for coding integrity, validate code-to-documentation alignment and annotate against guidelines. US-based, C1 in any second language, 10 hours a week. $45–65/hour.

Senior M&A, securities and governance lawyers design corporate law scenarios, reference memos and rubrics that test AI on deal work. US (Delaware, SEC) or international (UK Companies Act, EU) track. Remote hourly contract at $90–100/hour; 5+ years at a major firm, bank or large company.

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.

Audit Spanish (Spain) speech data for Amazon's Sonic project: check annotators' transcripts against audio with fixed error codes and pass/fail verdicts, and correct word-level timestamp alignment. Native Spanish as spoken in Spain is a hard requirement; rationales are in English. Remote hourly contract at $39.50/hour.