Evaluate AI answers about QuickBooks, bookkeeping, financial reporting, reconciliations, and small-business accounting. This fully remote contract role requires 20+ hours per week and strong accounting experience.
Build thermal and CFD simulation workflows for PCB assemblies and electronic systems using OpenFOAM, Gmsh, and Python. This remote contract requires 20+ hours each week and is open worldwide.
Review and rate AI answers about bookkeeping, reporting, reconciliations, audits, and small-business accounting. This remote freelance project requires QuickBooks Online experience, strong English, and 20+ hours per week.
Build multi-step AI agents for mathematical research, turning proofs and technical material into reliable software systems. This remote contractor role is open across Latin America and pays $25 per approved task.
Create and evaluate engineering simulation benchmarks for AI agents using Python and open-source tools. This remote contractor engagement lasts up to 12 weeks, with part-time work accepted and required Pacific Time overlap.
Perform electromagnetic and signal integrity simulations for high-speed PCB designs, analyze interconnect behavior, and build Python workflows. The project is worldwide, requires English, and supports 20+ hours per week for about 13 weeks.
Create and review graduate-level biology problems that test AI systems on experiments, data, figures, sequences, structures, and scientific reasoning. This remote contractor assignment requires at least 20 hours per week and professional English fluency.
Review and correct Welsh conversational audio transcripts for a 1,350-hour AI voice dataset. Pay is $30 to $35 per hour, with full-time weekday work from mid-November through December 31, 2026.
Work remotely as a medical imaging clinician annotator, outlining image regions and checking metadata for a large medical image dataset. Pay is $30 to $55 per hour for less than 20 hours per week.
Evaluate Rust repositories, tests, and bug-fixing tasks to measure how AI coding systems perform. This remote LATAM contract pays $25 per approved task and requires 20+ hours per week.
Evaluate open-source C# code, tests, and bug-fixing tasks used to assess AI models. This remote contractor role pays $25 per label and requires fluent English, software engineering skills, and 20+ hours per week.
Review and rate LLM software engineering outputs using Golang codebases, GitHub issues, and unit tests. This contract role pays $25 per label, requires 20+ hours weekly, and is open across 23 listed countries and territories.
Work remotely on Java open-source repositories, testing code and evaluating how well language models solve realistic bugs. The one-month contract pays $25 per approved task and is open to contractors in Latin America.
Review public JavaScript repositories, configure development environments, run tests, and assess how well AI systems fix real software bugs. This remote contractor assignment is open across Latin America and pays $25 per approved task.
Review open-source Python code, GitHub issues, and unit tests to assess how AI models handle real bug-fixing work. This remote contractor assignment pays $25 per approved task and is open across Latin America.
Build and test vulnerable and patched generative AI applications, trace data and action flows, and evaluate authorization, prompt injection, and tool abuse. This worldwide contractor role requires 20+ hours per week and strong application security experience.
Review AI-generated text, images, and diagrams using knowledge from your academic discipline. Remote, asynchronous project work pays $100 per hour for eligible undergraduate students.
Work as a Software Engineering Expert on project-based coding, debugging, code review, and implementation work at $75 per hour. Accepted projects require 10 to 20 hours per week for 2 to 3 weeks.
Work asynchronously on software projects involving coding, debugging, code review, and technical documentation. This contract role pays $75 per hour for a flexible 2 to 3 week engagement, with applications starting through OpenTrain.
Create and validate research-grade tasks that test AI models on real computational science problems. This flexible contractor role pays $100 per hour and requires hands-on research experience plus working Python skills.
Create research-grade evaluation tasks that test AI models on real scientific computing problems. This remote, flexible role pays $75 per hour and suits researchers who use Python.
Record a short script in English with a Russian-influenced accent for speech and voice data collection. The role pays $30 per hour and requires a working microphone and the ability to follow English instructions.
Use advanced research skills to evaluate AI models, review datasets, design experiments, and synthesize technical findings. This remote project pays $150 per hour for about 10 to 20 hours weekly over 2 to 3 weeks.
Record a short script in Portuguese-accented English for a single audio submission that takes about 15 minutes and pays $30 per hour. You need Portuguese fluency, English instructions, and a device with a microphone.
Build and review research coding tasks for AI model evaluation in areas such as congestion control, datacenter networking, programmable networks, and cluster scheduling. This remote contract work pays $50 per hour and follows an asynchronous schedule.
Work remotely on mechanical designs, CAD models, drawings, and engineering analysis for AI training projects. The role runs asynchronously for 2 to 3 weeks, with 10 to 20 hours per week for accepted projects and pay of $88 per hour.
Create research coding tasks and review AI model outputs in parallel algorithms and high-performance computing. This remote contract work pays $200 per label and fits around ongoing research.
Use your graduate-level research expertise to evaluate and explain written, visual, and discipline-specific AI content. This remote project work pays $100 per hour and offers up to 10 hours per week during each project window.
Create self-contained research coding tasks for GPU kernels and ML systems, then review AI model outputs against technical standards. Remote contract work pays $200 per approved task and typically takes about four hours.