Browse current remote roles in AI training, model evaluation, RLHF, data annotation, and expert review. Filter by country, language, and specialty, then apply through OpenTrain.
Create realistic electrical engineering problems and review AI-generated answers for accuracy and practical value. This flexible remote contract pays $120 per hour for completed work, with applications starting through OpenTrain.
Posted Sep 25, 2026
Create and verify original electrical engineering problems using Python, with work spanning system design, optimization, control, and power systems. This worldwide contract role pays $15 to $50 per hour and takes fewer than 20 hours per week.
Posted Mar 29, 2026
Evaluate AI-generated electrical engineering answers, calculations, and explanations for technical accuracy, safety, and practical feasibility. This contract role pays $40 to $100 per hour for 20+ hours weekly.
Posted Jul 8, 2026
Review AI-generated electrical engineering content and QA work for accuracy, safety, and clear reasoning. This US contract role pays $105 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Remote contractor work for a CAD and simulation consultant supporting aerospace, mechanical, and electrical engineering AI training. The 8-week assignment requires 20 to 40 hours weekly and Pacific Time overlap.
Posted Sep 8, 2026
Lead a pod of 5 to 10 technical trainers creating and reviewing terminal-based coding, systems, simulation, and electrical engineering tasks for AI evaluation. The contract role is worldwide, requires 20+ hours weekly, and calls for advanced technical experience.
Posted Oct 14, 2026
Review AI-generated engineering work using aerospace, mechanical, and electrical simulation expertise. This worldwide contractor role requires 20 to 40 hours weekly, 4 hours of Pacific Time overlap, and 10+ years of experience.
Posted Oct 9, 2026
Lead a technical pod reviewing terminal-based scientific and engineering tasks for AI evaluation. The contract requires at least 40 hours per week, four hours of PST overlap, and advanced computer science or electrical engineering expertise.
Posted Oct 9, 2026
Create and review schematics, component placements, and PCB layouts in DesignSpark PCB while explaining design workflows for AI training. This remote contractor role pays $63 to $122 per hour.
Posted Oct 30, 2026
Create and assess difficult semiconductor engineering problems for AI training, with $85 to $185 per hour for experienced technical judgment. Work remotely as a flexible contractor and apply through OpenTrain.
Posted Oct 31, 2026
Work remotely as a Hardware Expert creating, solving, and evaluating rigorous engineering challenges for AI training. Pay is $60 to $120 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 16, 2026
Create and record realistic KiCad schematic and PCB design workflows for AI training. This remote contractor role pays $20 per hour, requires 20+ hours weekly, and is open in Bangladesh, India, and Pakistan.
Posted Sep 5, 2026
Review PCB files, assemblies, wire harnesses, semiconductor inspections, and electronics quality data for AI training. This remote contractor role pays $60 per hour and takes less than 20 hours per week.
Posted Sep 30, 2026
Review and improve AI-generated answers to automotive engineering questions for $40 per hour. This flexible, part-time contract requires 3+ years of automotive engineering experience and Python skills.
Posted Oct 1, 2025
Review biomedical engineering AI work for calculations, safety, standards, regulatory claims, and clear reasoning. This remote contractor role pays $105 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Lead quality reviews for AI evaluation tasks involving civil and structural engineering, simulations, models, and automated graders. This remote four-week contractor assignment requires 20+ hours per week, advanced engineering expertise, programming, and Linux skills.
Posted Oct 9, 2026
Create, solve, review, and validate mechanical engineering tasks for AI training using Python, simulation, and coding-agent workflows. This remote contractor role offers flexible scheduling of about 15 hours per week at $60 to $120 per hour equivalent, paid per task that meets the project specificat
Posted Oct 16, 2026
Design and solve advanced physics problems that test large language models, write clear step-by-step solutions, and give detailed feedback. This remote contractor assignment is open worldwide and requires 20+ hours per week.
Posted Jul 17, 2026
Review AI-generated civil and structural engineering work, including calculations, models, estimates, and design recommendations. This remote contract role pays up to $90 per hour and is open to candidates in the United States.
Posted Sep 25, 2026
Lead a pod of chemical engineering trainers who build and evaluate terminal-based tasks for AI systems. Review simulations, engineering calculations, automated graders, and technical quality across a four-week contractor assignment.
Posted Oct 9, 2026
Create realistic civil and computational engineering problems, then verify solutions with Python and engineering libraries. This part-time contract pays $15 to $50 per hour and is open worldwide.
Posted Mar 29, 2026
Review and improve AI-generated civil engineering content across structural, geotechnical, transportation, water, and construction topics. Earn $45 to $100 per hour with 20+ hours per week and a flexible schedule.
Posted Jul 8, 2026
Lead remote AI training work built around mechanical design, CAD/CAE, simulation, testing, and failure analysis. Create verifiable engineering problems and evaluate AI systems against real physical criteria.
Posted Oct 16, 2026
Use extensive field experience to review schematics, diagnose industrial equipment faults, assess PLC controls, and write clear technical guidance for AI training. This remote contractor role pays $60 per hour and requires at least eight years of relevant experience.
Posted Sep 30, 2026
Evaluate AI-generated mechanical engineering work, create realistic technical problems, and give structured feedback. This flexible U.S. contract role pays $100 per hour and involves at least 20 hours per week.
Posted Sep 25, 2026
Lead reviews of AI-generated mechanical and aerospace engineering simulations, source materials, and technical outputs. The role requires advanced engineering expertise, programming skills, and at least 40 hours per week with PST overlap.
Posted Oct 9, 2026
Review civil engineering explanations, calculations, diagrams, and workflows for AI training projects. This remote contractor role pays up to $105 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Create and review difficult engineering and physical science problems used to evaluate AI systems. This flexible remote contractor role pays $85 to $185 per hour and is open to experienced technical experts worldwide across listed countries.
Posted Oct 31, 2026
Create realistic mechanical engineering problem sets and verify reproducible Python solutions using NumPy, Pandas, and SciPy. This part-time contract role pays $15 to $50 per hour.
Posted Mar 29, 2026
Use your mechanical design, CAD, GD&T, and manufacturing knowledge to create and review engineering content for AI training. This remote contractor role pays $40 to $80 per hour, with applications starting through OpenTrain.
Posted Sep 25, 2026
Lead a pod of 5 to 10 technical trainers creating and evaluating terminal-based mechanical and aerospace engineering tasks. This remote contractor project lasts about four weeks and requires at least 40 hours each week, including Pacific Time overlap.
Posted Oct 16, 2026
Review and rate AI-generated mechanical engineering solutions, write model explanations, and assess technical reasoning. This remote contractor role pays $70 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Analyze energy and utilities regulatory scenarios, explain complex legal reasoning, and review other contributors’ work for accuracy. This remote contractor role pays $140 to $400 per hour.
Posted Oct 29, 2026
Create and verify Python-based mechanical engineering problems that help train and evaluate AI models. This flexible contract role pays $10-$45 per hour and requires advanced English, Python, and relevant engineering expertise.
Posted Dec 12, 2025
Review AI-generated mechanical engineering content, calculations, and recommendations for accuracy, safety, and rubric compliance. This U.S.-based contract role pays $75 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Create and edit CATIA models, assemblies, surfaces, and engineering drawings while explaining your design workflow for AI training. This remote contractor role pays $63 to $122 per hour and is open to candidates in listed countries.
Posted Oct 30, 2026
Evaluate AI-generated CFD answers and engineering simulations using expert judgment on meshing, turbulence, heat transfer, and validation. Pay is $50 to $150 per hour equivalent, paid per task that meets project specifications.
Posted Sep 7, 2026
Evaluate AI-generated mechanical reasoning using complex CAD assemblies, design intent, mechanisms, kinematics, GD&T, and tolerance judgment. This remote contractor role takes about 15 hours per week and pays $40 to $90 per hour.
Posted Oct 2, 2026
Review AI-generated chemical engineering content and contributor work for calculations, safety, units, and technical quality. This remote U.S. contractor role offers up to $105 per hour and requires 20+ hours per week.
Posted Jul 8, 2026
Apply advanced physics expertise to evaluate AI training data involving statistical physics, quantum information, condensed matter theory, and numerical simulations. This fully remote contractor role pays $100 to $200 per hour for a flexible part-time schedule.
Posted Sep 8, 2026
Review and improve AI-generated chemical engineering content across process design, safety, calculations, and troubleshooting. This remote contract role pays $40 to $100 per hour and requires 20+ hours each week.
Posted Jul 8, 2026
Create and review difficult manufacturing and industrial engineering problems for AI evaluation, with pay of $85 to $185 per hour. This flexible remote contractor role is open across many countries.
Posted Oct 31, 2026
Solve and validate computational fluid dynamics and aerodynamic simulations using Python and command-line tools. This remote role offers flexible part-time work at $80 to $120 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 16, 2026
Create and review complex parametric CAD assemblies, explain design decisions, and help train AI systems. This remote contract role pays $40 to $90 per hour and requires less than 20 hours per week.
Posted Oct 2, 2026
Review AI-generated software engineering answers for technical accuracy, feasibility, and production quality at $150 per hour. This flexible, remote contract requires U.S. availability and at least one year of software engineering experience.
Posted Sep 30, 2026
Lead quality reviews for AI-generated physics content, checking calculations, formulas, units, reasoning, and scientific accuracy. This remote contractor role offers $20 to $75 per hour and requires 20 or more hours each week.
Posted Jul 9, 2026
Provide rigorous solutions to advanced physics problems for AI training, with clear derivations, computational checks, and research-quality documentation. This remote contractor project pays $100 to $200 per hour and typically needs 10 to 15 or more hours weekly for 8 to 10 weeks.
Posted Sep 8, 2026
Review AI-generated C code, systems designs, and technical explanations for memory, concurrency, safety, and performance issues. This remote contractor role pays $65 per hour and requires 20-plus hours per week.
Posted Jul 8, 2026
Design secure benchmark tasks that test coding agents on real engineering work, safety requirements, and hidden failures. This remote contractor assignment runs 4 to 8 weeks and requires at least 20 hours per week.
Posted Oct 9, 2026
Create FreeCAD demonstrations and evaluation data for computer-use AI systems. This remote contractor role offers $25 to $30 per hour, 20+ hours per week, and flexible scheduling across listed countries.
Posted Aug 19, 2026
Evaluate AI-generated biomedical engineering content for accuracy, safety, assumptions, and regulatory concerns at $40 to $100 per hour. Work 20+ hours per week as a contractor from an eligible country.
Posted Jul 8, 2026
Build and maintain large-scale data pipelines, distributed systems, and databases as a remote, part-time Big Data Engineer. Pay is $30 to $80 per hour, with applications starting on OpenTrain.
Posted Sep 15, 2026
Use advanced physics knowledge to write rigorous questions and evaluate AI-generated answers for accuracy, sound reasoning, and physical validity. This remote contract role pays $75 per hour and offers flexible participation for candidates in the United States.
Posted Sep 25, 2026
Create and solve advanced physics problems to test large language models, write detailed solutions, and help build new evaluation benchmarks. This worldwide contractor role requires strong physics knowledge, clear English communication, and 20+ hours each week.
Posted Jul 17, 2026
Build and test software engineering tasks from open-source Ruby repositories, then assess how well LLMs solve real bugs. This remote contractor role requires 20 or more hours per week and a four-hour overlap with PST.
Posted Jul 20, 2026
Work remotely as an expert SQL Engineer evaluating AI-generated queries, database designs, and data-processing logic for $50 per hour. The role requires 20+ hours per week and strong database engineering experience.
Posted Jul 9, 2026
Create, solve, review, and validate coding-heavy machine learning tasks involving models, training systems, inference, evaluation, and performance. This remote contractor role offers $60 to $120 per hour equivalent, paid per task that meets the project specifications, for about 15 hours per week.
Posted Oct 16, 2026
Lead technical teams delivering supervised fine-tuning and RLHF work for language models. This contract role needs 8+ years in software engineering, 3+ years managing engineers, fluent English, and availability of 20+ hours each week.
Posted Jul 20, 2026
Create and review difficult aerospace engineering problems used to evaluate AI models, with pay of $85 to $185 per hour. This flexible remote role requires advanced aerospace expertise and clear technical judgment.
Posted Oct 31, 2026
Build and improve open source software for AI training, including features, bug fixes, refactoring, and code evaluation. Pay is $50 to $100 per hour equivalent, paid per task that meets the project specifications.
Posted Sep 15, 2026
Create realistic FreeCAD tasks, record your workflows, and document CAD modeling steps for AI training. This remote contract role pays $20 per hour and requires 20+ hours weekly.
Posted Aug 15, 2026
Build multi-step agentic systems for LLM evaluation and math-focused software engineering datasets in a one-month remote contractor assignment. Pay is $30 per approved task, with applications starting on OpenTrain.
Posted Oct 27, 2026
Lead a pod of technical trainers creating and reviewing terminal-based materials science tasks for AI training. This four-week contractor assignment requires advanced scientific expertise, programming skills, and at least 40 hours per week.
Posted Oct 23, 2026
Review and improve AI-generated JavaScript code, compare model responses, and explain technical issues clearly. This remote contract role pays $60 per hour for about 20 hours weekly, with flexible scheduling.
Posted Jul 9, 2026
Evaluate how language models solve real C++ software problems, validate repositories, and build coding tasks from open-source issues. This remote contract role offers flexible commitments of 20, 30, or 40 hours per week.
Posted Jul 17, 2026
Lead software engineering data programs that turn research goals into coding tasks, reviews, benchmarks, and evaluation workflows. This worldwide contractor role requires at least 20 hours per week and professional English.
Posted Sep 30, 2026
Review AI-generated code, test software solutions, and help build coding benchmarks. This remote US contractor assignment requires 20 or more hours per week and at least three years of software engineering experience.
Posted Jul 17, 2026
Create expert STEM questions, design detailed scoring rubrics, and evaluate AI-generated solutions for correctness and reasoning quality. This remote contractor role pays $100 per hour and requires 20+ hours per week.
Posted Sep 30, 2026
Create challenging computational physics problems based on real research workflows, then write clear, reproducible Python solutions. This global, part-time contract role pays $15 to $60 per hour depending on project scope and complexity.
Posted Mar 29, 2026
Evaluate how well LLMs fix real software bugs by setting up repositories, reviewing tests, and running Python code locally. This part-time contract role requires 20+ hours each week and is open in nine countries.
Posted Jul 16, 2026
Create architectural drawings, building models, and BIM workflows in Vectorworks for an AI training project. This remote contractor role pays $63 to $122 per hour and is open across many countries.
Posted Oct 30, 2026
Evaluate and improve AI-generated code across several programming languages, create code verification agents, and assess software engineering tasks. This flexible contractor role is open to experienced engineers in the US, Canada, and listed Western European countries.
Posted Jul 16, 2026
Review and improve AI-generated code, create coding datasets, and test software engineering models across the development lifecycle. This flexible contractor role requires strong production software experience and partial PST overlap.
Posted Jul 16, 2026
Build coding environments and reference solutions that test AI models on software engineering problems. This remote contractor role offers $50 to $100 per hour equivalent, paid per task, and about 15 hours per week.
Posted Sep 7, 2026
Create coding tasks, reference solutions, and verifiers that help train AI coding systems. This remote contractor role pays $50 to $100 per hour equivalent, paid per task that meets project specifications, with a 10 to 15 hour weekly commitment.
Posted Oct 14, 2026
Build reproducible terminal-based AI tasks from Earth sciences research workflows. Use scientific programming, geospatial data, modeling, and automated evaluation in a remote contractor assignment.
Posted Oct 9, 2026
Create realistic AutoCAD drafting tasks, prepare files and references, and record complete workflows for AI training. This remote contractor role pays $25 to $30 per hour and requires 20+ hours per week.
Posted Aug 13, 2026
Create and review difficult materials science problems for AI training, with clear solutions and grading criteria. This fully remote contractor role pays $85 to $185 per hour and offers flexible part-time work.
Posted Oct 31, 2026
Design realistic software engineering tasks, tests, evaluators, and safety checks for coding agents. This contract role is open worldwide, requires 20+ hours weekly, and uses English.
Posted Oct 7, 2026
Work remotely on code generation and model evaluation across Python, Java, Rust, C++, Go, and TypeScript. Pay is $50 to $100 per hour equivalent, paid per task that meets project specifications.
Posted Sep 14, 2026
Create realistic backend coding tasks, build verifiers, and evaluate AI-generated code using software engineering judgment. Pay is $30 to $100 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 3, 2026
Create realistic backend coding tasks and deterministic verifiers that test AI-generated code. This flexible contractor role pays $30 to $100 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 6, 2026
Solve difficult STEM problems, run Python calculations or simulations, and review AI-generated answers for scientific accuracy. Earn $60 to $120 per hour equivalent, paid per task that meets project specifications, with flexible remote work.
Posted Oct 16, 2026
Lead a pod of 5 to 10 technical trainers creating and reviewing terminal-based computational materials science tasks for AI evaluation. This remote contractor assignment lasts four weeks and requires advanced materials expertise, programming, and Linux skills.
Posted Oct 23, 2026
Review and rank AI-generated physics answers, find errors, and write model solutions for $30 to $70 per hour. This part-time contractor role requires 20+ hours weekly and is open to candidates in Australia, Brazil, Canada, Germany, India, New Zealand, the United Kingdom, and the United States.
Posted Jul 9, 2026
Create rigorous biomedical signal processing and machine learning problems using clinical time-series data, then develop reproducible solutions in Python, MATLAB, or similar tools. Pay is $60 to $120 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 17, 2026
Earn $40 to $60 per hour as an Associate Forward Deployed Engineer supporting customer data ingestion, transfer, validation, and workflow automation. Use Python, APIs, command-line tools, and Git in a flexible part-time contract role.
Posted Sep 16, 2026
Design challenging research-style mathematics problems, write clear solutions, and verify every answer in Python. This worldwide expert contractor role pays $15 to $60 per hour for less than 20 hours per week.
Posted Mar 29, 2026
Review machining drawings, CNC documents, construction plans, and safety records for AI training. This remote contractor role pays $40 to $60 per hour and takes less than 20 hours a week.
Posted Sep 30, 2026
Review radiographic, ultrasonic, phased-array, magnetic particle, and penetrant inspection data to improve AI systems. This remote contractor role pays $60 per hour and requires active NDT Level II or III certification plus eight years of experience.
Posted Sep 30, 2026
Review and improve AI-generated code across open-source repositories, with flexible remote work of about 15 hours per week. Pay is $100 to $150 per hour equivalent, paid per task that meets project specifications.
Posted Sep 16, 2026
Create realistic drawing, design, CAD, and diagramming workflows, then record and document them to help train AI systems. This remote contractor role offers up to $20 per hour and requires 20 or more hours each week.
Posted Aug 13, 2026
Guide AI systems through proofs, algorithms, numerical experiments, and high-performance simulations as a remote Principal Research Scientist. Flexible part-time or full-time contractor work pays $100 to $400 per hour.
Posted Oct 13, 2026
Create terminal-based AI benchmark tasks from real Earth science workflows using Python, R, Julia, Bash, and Linux. This five-week contractor assignment pays $300 per approved task and requires 20+ hours per week.
Posted Sep 24, 2026
Evaluate how language models handle real C# code by analyzing repositories, tests, bugs, and software engineering tasks. This fully remote contractor role requires at least 20 hours per week and four hours of daily PST overlap.
Posted Jul 20, 2026
Build and validate Python data pipelines, process structured and unstructured data, and create evaluation tasks for AI systems. This 20-plus-hour contract is open to candidates in selected countries.
Posted Jul 16, 2026
Lead a pod evaluating mathematical terminal tasks for correctness, reproducibility, grading quality, and scientific rigor. This remote, four-week contractor role requires 20+ hours weekly and advanced mathematics experience.
Posted Oct 23, 2026
Review industrial trade documents, plans, and schematics, then explain your judgments clearly for AI training work. This flexible remote contractor role offers $20 to $60 per hour for about 10 hours per week.
Posted Oct 28, 2026
Create and edit 2D and 3D SolveSpace models, build parametric sketches, and explain CAD workflows used to improve AI systems. This remote contractor role pays $63 to $122 per hour.
Posted Oct 30, 2026
Investigate open problems in computer science and computational physics using AI models, proof attempts, algorithms, and simulations. Pay is $100 to $400 per hour, with flexible part-time or full-time contract work.
Posted Oct 13, 2026
