Software Engineer, AI Model Training

$40 - $125 per hour

Temporary

Crucial Recruiting

Software Engineer, AI Trainer (Remote, Flexible Hours)100% Remote | Work When You Want | Part-Time or Full-Time | Freelance Contract | $40 to $125 per hour

Fully remote. Work when you want. Get paid for what you already know. Applying takes just a few minutes with your resume.
We are partnering with DataAnnotation to find experienced software engineers to work as remote AI trainers and evaluate how AI coding agents handle real engineering work inside realistic codebases: implementing a change to spec, fixing a bug with a regression test, refactoring without breaking behavior, reviewing a pull request and debugging from a trace. Coding agents miss edge cases, make brittle changes and need close supervision. You bring the judgment you have built shipping production systems. This is project-based, 100% remote work you do from home on your own schedule, alongside a current job, including evenings and weekends.
Already have a DataAnnotation account? This opportunity runs through our partnership with DataAnnotation. If you have already taken a DataAnnotation starter assessment, you are not eligible to apply through this posting. If you created an account but never took the assessment, you can still apply.

What the Work Involves
Design realistic tasks from your own work, such as a bug fix with a regression test, a feature built to spec with tests, a behavior-preserving refactor, a pull request review or a debugging write-up from logs
Build the codebase and supporting files an engineer would need: repositories you construct or adapt, tests, logs, API contracts, design notes
Run those tasks through AI coding agents and grade the diff, tests, design or review they produce
Compare two agent outputs on the same spec and document where each fell short
Write tests, rubrics and success criteria for what a correct deliverable must contain
Flag concrete failures: brittle changes, missed edge cases, tests that pass for the wrong reason, thrashing in the trace, off-spec work
Areas of ExpertiseYou need depth in at least one of these, plus enough working knowledge of the others to judge work in adjacent areas:
TypeScript or JavaScript
Python
Java, Kotlin or C#
Go or Rust
C++
Ruby, PHP or Swift
Frontend-only, backend-only and mobile specialists are welcome
Who This Is For
2+ years of professional software engineering, shipping and maintaining production code on a team
You write code today, or very recently, as an individual contributor
Comfortable in a terminal with git, tests and a debugger, and able to orient quickly in an unfamiliar codebase. Docker and CI experience is a plus
A careful reader of instructions; the assessment tests this as much as engineering ability
No prior AI or ML experience required. A CS degree is a plus but not required
Hands-on practitioner: you currently do, or recently did, the work yourself as an individual contributor, not solely as a manager
Strong written English; you can explain clearly why a result is wrong, not only that it is
Familiar with AI tools such as Claude or ChatGPT, with the judgment to tell a well-reasoned answer from a plausible-sounding wrong one
Comfortable working independently, following detailed written instructions and incorporating feedback
Pay, Hours and Location
Pay: $40 to $125 per hour, depending on project and expertise. Paid via PayPal on a regular schedule. You are paid for every step you complete
Hours: Work whenever it suits you, including evenings and weekends. Minimum 10 hours per week with no maximum; full-time hours are available. Multi-day task timers let you spread work across days
Location: 100% remote, work from home. Must be based in the United States, Canada, or the UK
Tools: Access to the AI models you will evaluate is provided; no personal subscription needed
How to Apply
Apply here with your resume. It takes just a few minutes, and there are no interviews
We review your background against the role
If it's a fit, we send you a link to take DataAnnotation's skills assessment. It's unpaid, takes about 1 to 2+ hours and tests domain judgment and careful reading. The assessment must be entirely your own work; AI-assisted submissions are detected and rejected
If you pass, you complete onboarding and a short training project, then propose and build tasks from your own professional experience, with expert review and written feedback at each stage
Crucial Recruiting and Sidebar Talent are working together on this search in partnership with DataAnnotation via Navaday.

Vacancy posted 1 day ago

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