Review and improve AI-generated chemical engineering content across process design, safety, calculations, and troubleshooting. This remote contract role pays up to $40 to $100 per hour and requires 20+ hours each week.
Review AI-generated C++ code, systems designs, and technical explanations for accuracy, safety, and performance. This remote contractor role pays up to $65 per hour for 20+ hours weekly, with applications starting on OpenTrain.
Use your C# and .NET expertise to write, review, and improve AI-generated technical responses. This remote contractor role pays up to $35 to $65 per hour, requires 20+ hours weekly, and includes future project opportunities.
Review AI-generated accounting answers, write reference content, and rate model responses for accuracy, clarity, and GAAP or IFRS alignment. This remote part-time contractor role pays up to $35 to $65 per hour.
Review AI-generated legal answers, assess reasoning and risk, and write accurate legal content. This remote contractor role pays up to $40 to $120 per hour and requires legal practice experience plus fluent English.
Review AI-generated astronomy and space science answers for accuracy, sound reasoning, uncertainty, and clear limits. This remote contract role pays up to $40 to $100 per hour and requires 4+ years of relevant experience.
Review AI-generated C code, systems designs, and technical explanations for memory, concurrency, safety, and performance issues. This remote contractor role pays up to $65 per hour and requires 20-plus hours per week.
Evaluate AI-generated biomedical engineering content for accuracy, safety, assumptions, and regulatory concerns at up to $40 to $100 per hour. Work 20+ hours per week as a contractor from an eligible country.
Review AI-generated biology answers, assess scientific reasoning, and write accurate model solutions at up to $70 per hour. This remote contract role offers ongoing work for qualified biology specialists.
Review AI-generated Android code, architectures, and technical explanations using Kotlin and Java. Earn up to $35 to $110 per hour with a 20+ hour weekly commitment in eligible countries.
Review AI-generated ads, write campaign assets, and rate model responses for strategy, clarity, compliance, and platform fit. This remote contractor role pays up to $35 to $70 per hour and requires 20+ hours weekly.
Build and evaluate machine learning models with Python, MongoDB, and common ML libraries in a remote, part-time contractor role paying $80 to $140 per hour. Apply through OpenTrain, then complete the hiring site application.
Remote Backend C#/.NET Developer contract work pays $60 to $110 per hour. Build backend services, REST APIs, and MySQL systems while supporting reliable software for AI-related projects.
Review PDF and DOCX files, extract legal and financial information, and correct AI-generated JSON outputs against the source documents. This contract project pays $8 to $11.20 per hour for fewer than 20 hours each week.
Review accounting and finance documents, correct OCR errors, label document regions, and structure tables and financial fields. Work 20 or more hours per week at $7 to $9 per hour.
Rate image quality metrics and review image quality assessment tools in a photography-focused AI training project. Work 20 or more hours per week at $5-$7 per hour.
Design computer science problems and evaluate AI-generated solutions using Python, structured scoring, and clear technical reasoning. This global contract role pays $15 to $40 per hour for up to 20 hours weekly during active project phases.
Create and verify realistic, computationally intensive data science problems using Python, SQL, statistics, machine learning, and GenAI. This global contract offers flexible project work for experienced data science specialists.
Create and verify computational machine learning and STEM problems using Python, statistics, SQL, and modern AI tools. This global, project-based contract pays $15 to $40 per hour for about 10 to 20 hours weekly during active phases.
Build and review advanced automation workflows, JavaScript logic, and AI-generated solutions for APIs, webhooks, and business processes. Earn $15 to $45 per hour on a flexible, worldwide contract.
Build and review API integrations that help train and evaluate AI systems. Work part time from anywhere on REST APIs, webhooks, data mapping, and error handling.
Build and improve automation workflows powered by large language models. You will refine prompts, review model outputs, and create evaluation criteria for practical communication and content tasks.
Build, test, and improve Zapier and Make.com workflows used to train and evaluate AI systems. This part-time contractor role pays $15 to $45 per hour and is open worldwide.
Create research-level computational chemistry problems, verified solutions, and Python-based validation workflows. This part-time contractor role pays $15 to $60 per hour based on task complexity and expertise.
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.
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.
Work globally as a Vibecode Specialist building Python scrapers for complex, JavaScript-heavy websites. Earn $20 per hour while delivering clean, validated datasets for AI training.
Design realistic tests for AI agents, define expected behavior, and review model outputs. This part-time contract pays $18 to $24 per hour and requires 20 or more hours each week.
Transcribe short Korean recordings for $14 per hour in a long-term, part-time role with about one flexible hour of work each day. You will also review audio and flag unclear segments.
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.