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ML Challenge Task Auditor

English $70–$90/hour

Evaluate the quality, correctness, and methodological rigor of applied machine-learning tasks used to train and evaluate a frontier AI lab's models. You'll assess experiment design, model-selection reasoning, and evaluation methodology — and provide clear, rubric-based written feedback. Basic Qualifications • 3+ years hands-on applied/experimental ML (experiment design, model selection, hyperparameter tuning, evaluation methodology) • Strong grasp of data-quality rigor: leakage detection, metric gaming, and train/test/CV hygiene • Proficiency with standard ML frameworks (PyTorch, TensorFlow, s

Last verified 2026-10-28

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SWE-Bench Task Auditor

English $70–$90/hour

Evaluate the quality, correctness, and reproducibility of software-engineering benchmark tasks used to train and evaluate a frontier AI lab's models. You'll assess repository-level tasks, reference patches, test harnesses, and grading integrity — and provide clear, rubric-based written feedback. Basic Qualifications • 3+ years professional software engineering • Real open-source contribution or maintainer experience (merged PRs, committer / maintainer roles) • Strong ability to audit reference patches, test runners, and Docker isolation, and to detect answer leakage / reward hacking • Fluency

Last verified 2026-10-28

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Radio Frequency and Electromagnetic Engineering Expert

English United States $80–$95/hour

Mercor is partnering with a leading technology organization to recruit experienced Radio Frequency (RF) and Electromagnetic (EM) Engineering Experts for a short-term project. Experts will apply their hands-on industry experience to analyze and solve complex problems involving RF systems, electromagnetics, antennas, propagation, and related engineering applications. Solve complex technical problems involving RF and electromagnetic engineering.

Last verified 2026-10-28

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Electrical Design Specialist

English United States $70–$85/hour

Mercor is partnering with a leading technology organization to recruit experienced Electrical Design Specialists for a short-term project. Specialists will apply their hands-on industry experience to analyze, evaluate, and solve complex electrical design and system-level engineering problems across a range of applications. Develop, analyze, and evaluate electrical designs based on technical requirements, specifications, and system performance.

Last verified 2026-10-28

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AI Developer Trace Task Auditor

English $70–$90/hour

Evaluate the quality and correctness of AI-assisted software-development traces used to train and evaluate a frontier AI lab's models. You'll assess end-to-end coding sessions produced with AI-assisted developer tools — judging correctness, workflow soundness, and reasoning — and provide clear, rubric-based written feedback. Basic Qualifications • 3+ years professional software development • Hands-on experience with AI-assisted coding tools and agentic / spec-driven workflows (Cursor, GitHub Copilot, Claude Code, or similar) • Strong code-reading and debugging skills across full-stack or backe

Last verified 2026-10-28

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Legal Domain Expert — AI Training & Evaluation

English $60–$100/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring a senior legal domain expert to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real legal work. Your legal expertise is the substance of this role.

Last verified 2026-10-28

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Senior Counsel — Legal Domain Expert

English $85–$120/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring an experienced counsel-level lawyer to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real legal work. This listing is for practitioners at counsel or senior associate level, with roughly 8 to 15 years of post-qualification practice .

Last verified 2026-10-28

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Electrical Test Automation Engineer

English United States $70–$85/hour

Mercor is partnering with a leading technology organization to recruit experienced Electrical Test Automation Engineers for a short-term project. Engineers will apply hands-on industry experience in electrical testing, automation, instrumentation, and hardware validation to solve complex technical problems. Design and implement automated test systems, procedures, and test sequences for electrical and electronic hardware.

Last verified 2026-10-28

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Preclinical R&D Expert – ADC & Bispecifics

English United States $60–$100/hour

Mercor is partnering with a venture-backed AI lab building frontier AI platforms and physics-based foundation models for chemistry, materials science, and drug discovery. They're extending their platform into new areas of pharmaceutical development and are looking for hands-on ADC and/or bispecific experts to help guide what they build. Are you a preclinical R&D scientist who has taken drug programs from the bench toward the clinic — and curious how AI is reshaping drug discovery?

Last verified 2026-10-28

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Finance Domain Expert — AI Training & Evaluation

English $60–$100/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring a senior finance domain expert to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real financial work. Your finance expertise is the substance of this role.

Last verified 2026-10-28

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Private Equity & Venture Capital – Finance Domain Expert

English $110–$150/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring a senior finance domain expert to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real financial work. Your finance expertise is the substance of this role.

Last verified 2026-10-28

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Partner & General Counsel – Legal Domain Expert

English $100–$150/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring a senior legal domain expert to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real legal work. Your legal expertise is the substance of this role.

Last verified 2026-10-28

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Investment Banking & M&A – Finance Domain Expert

English $100–$150/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring a senior finance domain expert to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real financial work. Your finance expertise is the substance of this role.

Last verified 2026-10-28

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Agent Engineer

English United States $100–$500/hour

We are looking for engineers who build and operate LLM agents in production, and who have real visibility into how agents are actually used inside a company. Shipped an agent that real users depended on, and been on the hook when it broke. Figured out how to tell whether an agent got better or worse after a change.

Last verified 2026-10-28

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Network Engineer – Talent Network (Data for Autonomous Systems)

English United States $50–$70/hour

Are you a hands-on enterprise network engineer — Level 3 / Tier 3 support, network operations, or the person your team escalates to — interested in data science and autonomous infrastructure? Our client is building vertically integrated networking systems and using the data they generate to power the next generation of AI-driven infrastructure. They're looking for engineers experienced in troubleshooting, escalations, packet analysis and RCA workflows to help label, annotate, and structure networking data from real production systems.

Last verified 2026-10-28

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Preclinical R&D Expert – In-house Drug Development

English United States $60–$100/hour

Mercor is partnering with a venture-backed AI lab building frontier AI platforms and physics-based foundation models for chemistry, materials science, and drug discovery. They're extending their platform into new areas of pharmaceutical development and are looking for hands-on preclinical R&D experts across drug modalities to help guide what they build. Are you a preclinical R&D scientist who has taken drug programs from the bench toward the clinic — and curious how AI is reshaping drug discovery?

Last verified 2026-10-28

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Materials Science Domain Expert

English $70–$110/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring a senior materials science domain expert to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real materials science and materials engineering work. Your materials expertise is the substance of this role.

Last verified 2026-10-28

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Biochemistry & Life Sciences Domain Expert

English $65–$105/hour

Biochemistry & Life Sciences Domain Expert: expert contribution to an AI safety and evaluation project. Details on the official listing.

Last verified 2026-10-28

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Engineering & Software Domain Expert

English $65–$105/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring a senior engineering and software domain expert to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real engineering and software development work. Your engineering expertise is the substance of this role.

Last verified 2026-10-28

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Pharmaceutical R&D Domain Expert

English $75–$115/hour

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced AI models. We are hiring a senior pharmaceutical R&D domain expert to work directly with a leading AI lab's research and program management teams, improving how frontier AI models reason about real pharmaceutical research and development work. Your drug development expertise is the substance of this role.

Last verified 2026-10-28

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