Platform Overview
Hire, manage, and pay top AI Trainers & Data Labelers in one place while working in the tools you already use
Find Data Labeling Vendors
Browse vetted agencies and BPOs for large-scale projects.
List your data labeling company
Create a free company profile, receive matched RFPs, and submit proposals with your pricing, capacity, and timeline.
JOIN AS Freelancer
The #1 Platform for Finding AI Training Jobs
We bring AI training and data labeling jobs from 20+ platforms into one place.
Work With Us
Hire Freelancers
Post a Job to the #1 Network for AI Training Talent Now
Post your job and find pre-vetted AI Trainers & Data Labelers across any domain, language, or tool.
FOR LARGE PROJECTS / MANAGED SERVICE
Done-for-You AI Data Teams
For large or complex projects. We recruit, train, manage, and QA your team inside your tools.
JOIN AS Freelancer
The #1 Platform for Finding AI Training Jobs
We bring AI training and data labeling jobs from 20+ platforms into one place.
LLM & Agents
View All LLM & Agent Solutions
Structured Data Labeling
View Data Labeling Solutions
Work With Us
Hire Freelancers
Post a Job to the #1 Network for AI Training Talent Now
Post your job and find pre-vetted AI Trainers & Data Labelers across any domain, language, or tool.
FOR LARGE PROJECTS / MANAGED SERVICE
Done-for-You AI Data Teams
For large or complex projects. We recruit, train, manage, and QA your team inside your tools.
Work With Us
Hire Freelancers
Post a Job to the #1 Network for AI Training Talent Now
Post your job and find pre-vetted AI Trainers & Data Labelers across any domain, language, or tool.
FOR LARGE PROJECTS / MANAGED SERVICE
Done-for-You AI Data Teams
For large or complex projects. We recruit, train, manage, and QA your team inside your tools.
LLM & Agent Solutions / Code Generation Review
Find Expert Software Engineers to Improve Your Code Models
Better code models need better human feedback. From our network of 100,000+ pre-vetted AI training specialists, find senior software engineers who can verify outputs, rank completions, and provide the training signal your system needs.
The easiest way to find senior software engineers who can work inside your stack and improve your codegen outputs.
Pre-Vetted
Screened through technical coding assessments
Tool Agnostic
Work in your repos, eval harness, or annotation platform
Senior-Level
Engineers who catch what models miss
All-in-One
One Place to Hire and Manage Your AI Codegen Trainers
Everything you need to build and manage your code review team without juggling multiple tools.
The #1 Talent Network for AI Code Review
Top coders across Python, JavaScript, C++, Go, Rust, and more. Pre-vetted and ready for your projects.
Post a Codegen Review Job
Work From Your Existing Stack
Scale your existing workflow. Hire engineers and add them directly to whatever tools you already use.
Post a Codegen Review Job
Communicate and Manage Work
Share project instructions and message your team with built-in tools. No need for separate docs or chat apps.
Post a Codegen Review Job
Secure Global Payments and Transparent Pricing
Pay AI Trainers in any country from a single dashboard. You set the rates, we add a small fixed fee on top. No hidden costs, no chasing invoices.
Post a Codegen Review Job
Why OpenTrain 
The Easiest Way to Hire Expert Engineers for Code Review
Every candidate is vetted through technical coding assessments before being matched to your job. You get a shortlist of qualified senior engineers ready to start reviewing in your environment.
Candidates screened for senior-level coding ability
Engineers across Python, JavaScript, TypeScript, C++, Go, Rust, and more
Work in your repos, eval harness, or annotation platform
Hire globally, pay from a single dashboard
Scale up or down as your project needs change
How It Works
How OpenTrain Works for Code Generation Review
Post a job, hire senior engineers, and manage everything from one platform. Your code and tools stay exactly where they are.
01
Post a Job and Receive Pre-Vetted Proposals
Describe your project and requirements. Receive proposals from senior engineers who have already been screened for coding ability.
02
Hire and Add to Your Tools
Review candidates, make your hires, and invite them to your repos, eval harness, or annotation platform.
03
Communicate and Pay in One Place
Share guidelines, message your team, and handle global payments from a single dashboard.
Post Your Code Review Job Now
Create an account and post your first job in minutes.
Post a Codegen Review Job Large Project? We Can Help.
Get a dedicated team managed end-to-end for large or ongoing code review projects.
Get a Managed Service Quote Get Started
Start Building Your Code Review Team Today
Post your first job and connect with pre-vetted senior engineers ready to improve your codegen outputs.
Metrics
Where Top AI Teams Find Expert Code Reviewers
Pre-vetted senior engineers across 25+ programming languages, ready to review & improve your model outputs.
100K+
pre-vetted AI training specialists
25+
programming languages
24 hrs
average time to first shortlist
Resources
Related Articles
Guides and insights for code generation review
FAQ
FAQs About Hiring AI Code Reviewers on OpenTrain
Common questions about hiring senior engineers to review and improve your AI-generated code.
Engineers in our network can complete technical coding assessments before applying to jobs. You can also create your own custom assessment and require applicants to pass it before submitting a proposal.
Engineers on OpenTrain can handle correctness verification, preference ranking for RLHF, bug identification, security review, test writing, PR-level review, and error labeling for model training.
Our network includes senior engineers across Python, JavaScript, TypeScript, Java, C++, Go, Rust, C#, Ruby, Swift, Kotlin, and more.
You invite them directly using whatever access method you already have in place. OpenTrain handles hiring, communication, and payments. Your repos and tools stay exactly where they are.
OpenTrain charges a platform fee on top of what you pay your talent. You set your own rates and pay only for completed work. No subscriptions or minimums.
Managed Service is for teams that need a dedicated workforce without handling recruiting, onboarding, and QA themselves. We manage end-to-end operations for large or ongoing code review projects.
Integrations
Top Tools for Code Generation Review on OpenTrain
Hire engineers to work in any of the popular code evaluation tools below, or your own custom tool.
Get Started
Join the #1 Platform for AI Training Talent
Where top AI builders and expert AI Trainers connect to build the future of AI.
Self-Service
Post a Job
Post your project and get a shortlist of qualified AI Trainers and Data Labelers. Hire and manage your team in the tools you already use.
Managed Service
For Large ProjectsDone-for-You
We recruit, onboard, and manage a dedicated team inside your tools. End-to-end operations for large or complex projects.
For Freelancers
Join as an AI Trainer
Find AI training and data labeling projects across platforms, all in one place. One profile, one application process, more opportunities.