Remote Full-Stack AI Code Reviewer - Flexible Hours — Columbus
Traveler-Friendly Insight
This role is about as nomad-friendly as it gets. It is a fully async, task-based contract — you work whenever you want, as long as you deliver accepted tasks. There are no fixed shifts, no mandatory meetings, and no timezone requirements stated. Under 20 hours per week means you can pair this with travel, side projects, or another job.
Visa considerations: The posting explicitly states "United States" for the work location, which likely means you must have US work authorization as an independent contractor. If you are a US citizen or green card holder, you can work from virtually anywhere as a freelancer — many countries' digital nomad visas (Portugal's D8, Costa Rica's, Thailand's LTR) would allow you to base yourself abroad while contracting for a US company.
Earning power vs. cost of living: At $50–$100/hr and up to 20 hrs/week, you could earn $4,000–$8,000/month. Compare this to popular nomad hubs:
- Lisbon, Portugal: ~$2,000–$2,800/month comfortable living — this salary leaves significant savings.
- Bangkok, Thailand: ~$1,200–$1,800/month — excellent financial cushion.
- Medellín, Colombia: ~$1,000–$1,500/month — very strong purchasing power.
No travel-specific perks (coworking stipend, equipment budget) are mentioned, so budget for those independently. The task-based pay model means income varies — plan for fluctuating monthly earnings.
Headquarters: United States
URL: https://opentrain.ai/
Full-Stack Engineer, Part-Time AI Code Evaluation – Remote (United States)
- $50–$100 per hour equivalent, paid per accepted task
- 100% remote
- Part-time, under 20 hours per week
- You choose when you work
Work on AI code evaluation on your own schedule, using your full-stack engineering judgment to create, review, and validate software tasks. AI systems improve through examples reviewed by engineers. In this role, full-stack professionals design realistic tasks, assess generated code, write reference solutions, and explain technical gaps.
What You'll Do
- Create and solve realistic full-stack tasks involving user-facing features and APIs
- Trace requests and data across browsers and back-end services to judge whether an AI implementation works correctly
- Write professional reference solutions and validate code across front-end and back-end systems
- Review AI-generated code for security, performance, and maintainability, and explain where it needs improvement
Why This Is Worth Your Time
- Earn $50–$100 per hour equivalent for accepted tasks that meet project specifications
- Apply your full-stack engineering judgment to review AI-generated solutions across unfamiliar codebases and complete software systems
- Fully remote and flexible — no fixed shifts, no commute
Who This Is For
- Strong professional experience building production full-stack applications across multiple programming languages
- Strong full-stack systems knowledge covering browser applications, APIs, application state, databases, service integration, architecture, and debugging
- Professional fluency in English; experience contributing to complete software-system architecture, working in unfamiliar codebases, and solving difficult debugging problems
- No AI experience needed — experience reviewing AI-generated code for security, performance, and maintainability is helpful but not required
Pay and Details
- $50–$100 per hour equivalent; pay is per accepted task, as an independent contractor
- Part-time, under 20 hours per week; you choose when; fully remote, United States
How to Apply
- Apply on OpenTrain (about two minutes): https://app.opentrain.ai/...
- Complete a short application on the hiring platform.
- If shortlisted, take a conversational AI interview with technical questions and a coding challenge, whenever it suits you.
Ready to apply your full-stack engineering judgment to AI code evaluation? Apply today.
About OpenTrain AI
OpenTrain AI connects experienced professionals with paid, part-time AI training work: shaping and improving the AI systems that companies are building right now.
To apply: https://weworkremotely.com/remote-jobs/opentrain-ai-full-stack-engineer
Frequently Asked Questions
Do I need prior AI or machine learning experience to apply?
How does the remote work setup function — are there required hours or meetings?
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