Full-time W-2 coordinator (via Cincinnatus LLC) placed with a leading AI lab's GenAI team, running day-to-day operations on AI training-data projects: turning leadership input into expert guidelines, onboarding experts, tracking quality and deliverables. US-based, 3+ years of coordination plus hands-on AI data experience. $45–55/hour.
Redline MSAs, NDAs and DPAs against a company playbook, choose the position and the fallback, and write the reasoning behind every markup so an AI can learn it. US-based, with a JD, US bar admission and four years of transactional practice preferred. 50 openings at $90–110/hour.
Pediatric acute care RNs evaluate AI outputs built from nursing flowsheet documentation, annotate pediatric assessment data and help write clinical benchmarks. US licence outside California, inpatient bedside work within the past 10 years. $55–65/hour.
US-based cloud and DevOps engineers design and grade AI training tasks on Kubernetes failure diagnosis, AWS service integration, Terraform or CDK design and CI/CD, and write the rubrics behind them. 4+ years at a top-tier organisation. Full-time W-2 through Cincinnatus LLC at a leading AI lab, $75–110/hour.
Inpatient registered nurses with broad clinical exposure support ongoing clinical AI product work: annotation, clinical review, model evaluation, user-feedback investigation and guideline development, alongside engineers and clinicians. US only, 10 hours a week minimum, $55–65/hour.
Design finance Excel tasks from your own work (three-statement models, LBO and DCF valuation, forecasting), write model solutions, and evaluate AI attempts for a leading tech company's GenAI team. US only, W-2 through Cincinnatus LLC, 40 hours a week to end of September then 20. $70–100/hour.
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.
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.
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.
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.
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.
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.
Paid pilot for US pharma forecasters: build or critique drug launch curves and judge whether forecast assumptions (analogs, ramp, peak share, loss of exclusivity) hold up, while writing rubrics that evaluate AI analysis of drugs. 5+ years, 10–20 hours over 1–2 weeks. $130–210/hour.
Evaluate Neuron Kernel Interface (NKI) development tasks for a frontier AI lab: CUDA-to-NKI migration fidelity, Trainium performance optimisation and GPU-versus-Trainium numerical correctness. Requires 2+ years writing NKI kernels for Trainium or Inferentia2. US-only, $70–90/hour.
Work inside a leading AI lab's research team as its insurance and actuarial specialist: QA model outputs, write instruction specs and golden solutions, and build insurance benchmarks. Needs an FSA, ASA, FCAS or ACAS, or an active adjuster, underwriting or broking licence, plus 4+ years. Full-time W-2, hybrid Bay Area, $60–100/hour.
Design marketing tasks and solutions, score AI outputs against rubrics, and refine marketing-specific evaluation guidelines for an AI lab. For marketers with 8+ years at top-tier brands or agencies and prior LLM rubric experience. US, 35+ hours a week, $60–80/hour.
Native Korean speakers in Canada, South Korea, the UK or the US map the layout of real Korean PDF pages and transcribe every region exactly in Hangul (hanja and handwriting included) to train document AI. Remote hourly contract at $33.58/hour; every task is reviewed by a second Korean expert.
Build retail merchandising, category and operations tasks, write solutions, and grade AI outputs against rubrics for an AI lab. For merchants, category managers and retail operators with 8+ years at major retailers and prior LLM rubric experience. US, 35+ hours a week, $60–80/hour.
Senior US full-stack engineers (6+ years, end-to-end system ownership) build production-grade software on a leading AI lab's pre-release models, integrate tool interfaces and evaluation harnesses, and document model failure modes for researchers. Full-time W-2 through Cincinnatus LLC, 40 hours a week, $90–110/hour.
Evaluate GPU and accelerator kernel development tasks for a frontier AI lab: numerical correctness, benchmarking fairness, task scoping and compile or runtime validity across CUDA, Triton, NKI and Pallas. For US engineers with 3+ years of kernel work in at least two of those frameworks. $70–90/hour.
Turn ambiguous AI program requirements into clear, contradiction-free rater guidelines and rubrics across finance, retail, insurance, legal and sports. For linguists, instructional designers and technical writers with 3+ years and GenAI/RLHF guideline experience. US, 35+ hours a week, $45–65/hour.
Audit Kubernetes tasks used to train and evaluate a frontier AI lab's models: cluster-operations scenarios, manifest and Helm correctness, and failure-mode troubleshooting (CrashLoopBackOff, OOMKilled, eviction). For US engineers with 3+ years of production Kubernetes and Go, Python or TypeScript. $70–90/hour.
Design adversarial prompts, find jailbreaks and policy failures, and document vulnerabilities in frontier AI models across cyber, biosecurity, fraud, misinformation and political content. Hourly remote contract at $70–84/hour for residents of Europe, the UK and the US; 5+ years' relevant experience required.
New roles land most days. Get them on Telegram or Discord as they are added, or read how the platforms pay before you apply.