Research, code review, red-teaming, data labeling, evaluation, documentation and integration builds. Browse freely; an account is needed to secure or negotiate.
7 of 7 listings
Literature reviews, experiment design, reproduction of published results and written research memos for model and product teams.
$504/ hour starting
4× $126/hour — US contract rate, AI research scientist (2026 median; typical $108–$146/h). Source: PayMetric Labs — AI Research Scientist contract rate, read 2026-10-30.
Pull-request and repository review for correctness, security and maintainability, including review of model-generated code.
$240/ hour starting
4× $60/hour — Median advertised rate, Coding & Software Evaluation roles (typical $35–$120/h). Source: AITraining.jobs — AI training pay explorer, read 2026-10-30.
Adversarial testing of models and agents: jailbreaks, prompt injection, tool-use abuse and data-leakage probes, with reproducible reports.
$320/ hour starting
4× $80/hour — Median advertised rate, Red-Teaming & AI Safety roles (typical $45–$125/h). Source: AITraining.jobs — The Market for Red-Teaming & AI Safety Work, read 2026-10-30.
Guideline-driven labeling, annotation QA and dataset audits for training and evaluation data.
$120/ hour starting
4× $30/hour — Median advertised rate, Data Annotation & Labeling roles (typical $15–$100/h). Source: AITraining.jobs — AI training pay explorer, read 2026-10-30.
Building eval sets, rubric-based grading and side-by-side preference rating of model outputs.
$140/ hour starting
4× $35/hour — Median advertised rate, AI Evaluation & Rating (RLHF) roles (typical $20–$120/h). Source: AITraining.jobs — AI training pay explorer, read 2026-10-30.
API references, integration guides, model cards and runbooks written from source and tested against the product.
$180/ hour starting
4× $45/hour — Upper bound of Upwork's median hourly range for technical writers ($20–$45/h). Source: Upwork — Technical Writers cost, read 2026-10-30.
Connecting model APIs to existing systems: MCP servers, tool connectors, retrieval pipelines and Workers deployments.
$240/ hour starting
4× $60/hour — Upper bound of Upwork's median hourly range for AI engineers ($35–$60/h). Source: Upwork — Artificial Intelligence Engineers cost, read 2026-10-30.
contract_bidder role.