Rebuild real-world objects and instruments as 3D simulation assets in Isaac Sim, Gazebo, MuJoCo or similar, and tune their physics until they behave like the originals. Remote contract at $60–150/hour with 5 openings; no AI experience needed, but hands-on simulator experience is.
Design and annotate expert-level multi-part assemblies in parametric CAD, write down the reasoning behind architecture, mating and tolerance choices, and critique sample designs so an AI learns how experienced designers think. A recognised CAD credential can stand in for the experience bar. 10 openings, $40–90/hour.
Pull apart multi-part CAD assemblies, write hard design-judgment questions with exact answers taken from the models, and find where AI reasoning about mechanisms and tolerances breaks. Five years of assembly design asked for. 20 openings, about 15 hours a week, $40–90/hour.
Work through real construction workflows in Procore (RFIs, submittals, drawings, inspections) and document each step so AI systems learn how the platform is actually used on a job. 40 openings, remote contractor, $90–175/hour.
Review video of robotic arms doing industrial tasks and grade each session: tag, classify and explain mechanical or control problems and why the machine failed. For a customer's robotics AI project. 250 openings, remote contractor, $50–90/hour, open in the Americas, Europe, the UK and Oceania.
Filmmakers and cinematographers review footage of robotic arms doing tasks and tag completions, errors and subtle details against grading guidelines, for an AI training customer. 10,000 openings, remote contractor, $50–90/hour. No AI background needed; prior labelling work is highly preferred.
Use a VFX or animation eye for motion, occlusion and tracking to annotate video of robotic arms: label movement, object interactions, task outcomes and visual anomalies. Not asset creation or rendering. 250 openings, remote contractor, $50–90/hour, no AI experience needed.
Photographers review footage of robotic arms doing tasks, tag and grade each session against the project's guidelines, and judge image clarity and composition for AI training. Open across Northern America, Latin America, Europe, the UK and Oceania. High demand, 250 openings, remote contractor, $50–90/hour.
Watch videos of robotic arms performing tasks, mark where each action starts and ends, and label failures such as missed grasps, dropped objects or poor paths, explaining what went wrong. Needs a robotics or related engineering background. High demand, 250 openings, remote contractor, $50–90/hour.
Senior quality inspectors disposition first article inspections, cosmetic defects and line inspection data so AI models learn how real accept/reject calls are made across aerospace, defense and marine work. Ten openings, contractor, $60–100/hour, remote.
Metallurgists and certified welding inspectors make accept/reject calls on micrographs, weld macros, coatings and LPBF additive builds against AMS, ASTM, AWS and NACE standards, documenting the reasoning to train AI. 20 openings, $80–130/hour, remote, US-based preferred.
Certified NDT Level II/III inspectors interpret RT, UT/PAUT, MT and PT data and make code-based accept/reject calls on welds and components, documenting their reasoning to train AI. 30 openings, $70–110/hour, remote, US-based preferred.
Master machinists, superintendents, mine planners and fire officers review technical drawings and field plans (GD&T, CNC setups, construction sheets, mine and fire plans) and explain them so AI models learn to read them. 20 openings, $55–100/hour, remote, US-based preferred.
Mechanical engineers with 2+ years of experience label robots, tools, components and motion in video, and review other annotations for mechanical accuracy, for an AI and robotics training customer. 200 openings, remote contractor, $50–90/hour. CAD experience is a plus, not a requirement.
Annotate video captured by robotic systems (objects, movements, events), catch edge cases, and help the AI team refine annotation protocols and capture strategy. For people with hands-on computer vision and video annotation experience. 300 openings, remote contractor, $50–90/hour.
Watch videos of robotic systems and explain the electrical and electronic side of what happens: read the schematics, identify events and anomalies, and write annotations for ML specialists. 100 openings, remote contractor, $50–90/hour. A robotics, automation or mechatronics background is preferred.
Bring frame-by-frame editing judgment to AI training data: annotate video of robotic arms, marking when actions begin, change and end, and flagging continuity problems. Not an editing job. 250 openings, remote contractor, $50–90/hour, no AI experience needed.
Electronics quality engineers review Gerber and CAM data, apply IPC-610 and IPC-620 criteria, analyse SMT and AOI defects, screen for counterfeit parts under AS6081 and read C-SAM and X-ray images, all to train AI. 30 openings, $70–120/hour, remote, US-based preferred.
Work on the audio side of robotic-arm video for an AI training customer: edit and annotate tracks, clean up noise and distortion, and describe specific sounds, events and anomalies. Real-world, non-music audio experience is a strong plus. 250 openings, remote contractor, $50–90/hour.
Apply game-systems thinking to AI training data: annotate video of robotic arms as actions, states, interactions and success or failure conditions, and explain edge cases in writing. Not game development. 250 openings, remote contractor, $50–90/hour, no AI experience needed.
Hands-on structural, thermal, mechanical design and dynamics engineers review and write hard engineering problems about real hardware (loads, margins, heat transfer, vibration, tolerances) for an AI research initiative. 5+ years with 3 recent hands-on. Remote contract, $100–120/hour.
Hands-on systems, integration, reliability and manufacturing test engineers review and write hard engineering problems about real hardware (V&V, qualification, FMEA, root-cause analysis) for an AI research initiative. 5+ years with 3 recent hands-on. Remote contract, $100–120/hour, weekly via Stripe or Wise.
Embedded firmware, FPGA/RTL, flight software and hardware test automation engineers review and write hard problems about software that runs on real hardware (timing, race conditions, interfaces, bring-up) for an AI research initiative. 5+ years, 3 recent hands-on. Remote contract, $100–120/hour.
Hands-on RF, power electronics, analog/mixed-signal, PCB and signal integrity engineers review and write hard problems about real hardware designs, measurements and bring-up for an AI research initiative. 5+ years with 3 recent hands-on. Remote contract, $100–120/hour, weekly via Stripe or Wise.
Experienced mechanical designers produce manufacturing-ready drawings and 2D/3D CAD models with full GD&T, document design intent, and critique existing engineering documentation to train AI. SolidWorks, Fusion 360, Onshape, Inventor, Creo, NX plus FreeCAD. 10 openings, contractor, $40–80/hour.
Mechanical designers build and edit fully parametric CAD parts and assemblies from written briefs, audit models for GD&T and manufacturability, and document design intent for AI training. The project runs in FreeCAD, and SolidWorks skills transfer. Forty openings, $40–100/hour.
Author AI evaluation tasks from real permit drawings, documents and site photos, with the correct correction letter, review decision or markup as the answer. For ICC-certified plans examiners and third-party plan reviewers with 3+ years. US only, $45–60/hour.
Solve advanced aerodynamics problems and grade AI-generated answers across external aero, CFD, wind tunnel testing, propulsion and vehicle aero. Remote contractor paid per accepted task on a $60–130/hour band, a single opening. Aerospace or ME degree plus 3+ years; problem-authoring credentials strongly preferred.
Senior civil engineers build infrastructure evaluation tasks for AI: realistic design, permitting and construction scenarios, reference calculations and rubrics, on either a US (ASCE, ACI, AISC, AASHTO) or International (Eurocodes, ISO) standards track. 5+ years, PE or equivalent strongly preferred. Remote hourly contract at $70–80/hour.
US civil engineers, land development engineers and licensed surveyors author AI evaluation tasks from real drawings, aerials, maps and site documents: plan review comment sets, survey exception schedules, earthwork checks. PE or PLS and 3+ years in the seat (8+ preferred). Remote hourly contract at $45–60/hour.
Grade and refine AI-generated manufacturing advice and build evaluation rubrics, drawing on hands-on CAD work in any platform. Coding-agent and Python use is expected in practice. $80–150/hour, paid per accepted task, 15–20 hours a week, open worldwide, 50 openings.
Solve and review materials selection, failure analysis, testing and process problems, and check AI answers for engineering correctness. Per-task pay quoted at $80–130/hour. Bachelor's plus three years of hands-on materials work; problem-authoring credentials strongly preferred. One opening.
Despite the title, this is video annotation: grade and tag footage of robotic arms completing procedures, marking key actions and outcomes against written guidelines. Design, film, editing, photography, robotics or engineering backgrounds all fit. 3,000 openings, $50–90/hour, open across North and Latin America, Europe, the UK and Oceania.
Despite the title, a CAD and computational-geometry role: turn dimensioned engineering drawings into validated 3D solids built in Python (build123d, CadQuery and similar) and exported as STEP, for an AI training project. Open globally, about 15 hours a week, per-task pay. 10 openings, $50–100/hour.
Model simple mechanical components in SolidWorks, NX, Creo or CATIA, interpret drawings and tolerances, and critique AI output on CAD and conceptual FEA questions. Remote contractor, $55–100/hour, 50 openings. The preferred bar is 5+ years of hands-on design engineering.
Create, solve and validate structural, thermal and multiphysics engineering tasks end to end in Python with open-source solvers and coding agents. Global remote contractor, $80–150/hour paid per accepted task, about 15 hours a week, 100 openings. MS/PhD, or BS plus 1–2 years.
Generate, structure and evaluate expert ALD and thin-film data for a frontier AI lab building semiconductor and physical-science models: solve hard problems, rate model reasoning, and turn recipes into model-ready data. US-based, 10–40 hours a week, $84/hour.
Review AI-generated advice on CAM, CNC and Fusion 360 manufacturing workflows, and write the rubrics that grade it for accuracy and efficiency. Teaching experience is highly preferred. $60–120/hour, paid per accepted task, open worldwide, 20 openings.
Write exact, verifiable question-and-answer sets about multi-part mechanical assemblies supplied as native FreeCAD files, for an AI training project. Mechanical, aerospace or industrial design background; direct FreeCAD use is a plus, not a must. 30 openings, contractor, $40–80/hour.
Umbrella listing for Mercor's nuclear red-team panel: fuel-cycle engineers, safeguards inspectors, nuclear security, forensics and nonproliferation specialists write prompts, judge frontier AI replies against a policy standard, and write reference answers. Remote contract at $65–75 per task; 21 hired this month.
Open native FreeCAD files of multi-part aerospace assemblies and write hard, non-guessable questions about them, each with an exact, sourced answer. Built for mechanical, aerospace and industrial design backgrounds; FreeCAD itself is a plus, not a requirement. $40–80/hour, 50 openings, contractor, remote.
Build and evaluate training data for a frontier lab's materials science models: DFT, AIMD, classical MD, surface and adsorption modeling, reaction energetics. For US-based computational PhDs fluent in VASP, Quantum ESPRESSO, CP2K, LAMMPS or ASE. Long-term, 10–40 hours a week, $84/hour.
Materials science PhDs author original, executable research problems for a scientific-computing AI benchmark, with depth in both semiconductor materials and molecular modeling. Tasks ship only when frontier models fail them more often than not. 6 weeks, 20+ hours a week, Git and Docker workflow. $70/hour, 212 hired this month.
Radiological emergency planners, field monitoring teams and consequence modellers 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.
Remote hourly contract for FPGA, digital design and embedded hardware engineers who already run Intel/Altera Quartus II on their own Windows PC. $55–65/hour, paid weekly via Stripe or Wise, $10 more than the sister Vivado listing. Needs a display above 2.5 megapixels.
Build, run and validate scripted CFD cases (airfoils, meshes, boundary conditions, lift and drag) so an AI can learn to do engineering simulation from the command line. Python-heavy, with coding agents expected. $80–150/hour, paid per accepted task, about 15 hours a week, open globally.
Build, modify and QA parametric CAD models and assemblies in FreeCAD, apply GD&T and DFM, and produce technical drawings, all as training input for AI systems. Two years of mechanical or product design experience; Python CAD scripting preferred. 50 openings, $40–100/hour.
Solve hard analog, digital, mixed-signal, power and RF design problems and grade AI answers to them for technical correctness. Senior bar: MS/PhD or BS plus 8 years, five years of hands-on design with production or tape-out. Paid per accepted task, quoted at $60–130/hour. 25 openings.
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