Frontend JavaScript Engineer (AI Training)
About The Role
What if your JavaScript expertise could directly influence how AI writes and understands code for millions of developers around the world? We're looking for experienced Frontend JavaScript Engineers to evaluate, critique, and improve AI-generated code — helping ensure the next generation of AI tools actually thinks like a great engineer.
This is a fully remote, flexible contract role. Training and onboarding support will be provided — no prior AI experience needed. Just bring your deep knowledge of JavaScript and a sharp eye for quality code.
Organization: Alignerr
Type: Hourly Contract
Location: Remote
Commitment: 10–40 hours/week
What You'll Do
Evaluate AI-generated JavaScript code for correctness, efficiency, and adherence to modern ES6+ standards
Assess DOM manipulation approaches and identify performance issues or anti-patterns
Solve complex UI/UX challenges to test the model's ability to produce responsive and interactive frontend solutions
Identify bugs and suboptimal patterns in AI-generated frontend logic and provide clearly optimized alternatives
Write human-readable documentation explaining state flow, event handling, and code structure
Work independently and asynchronously — fully on your own schedule
Who You Are
Deep, hands-on knowledge of core JavaScript concepts — async/await, closures, the event loop, and DOM manipulation
3–5 years of practical experience with modern frameworks such as React, Vue, or Node.js
Strong instincts for clean, maintainable, and efficient frontend code
Naturally detail-oriented with a systematic approach to evaluating and improving code quality
Clear written communicator who can explain technical reasoning in plain terms
Bachelor's degree in Computer Science or a related technical field preferred
Nice to Have
Experience with data labeling, RLHF, or other AI training or evaluation projects
Familiarity with testing frameworks, code review workflows, or frontend performance profiling
Background in technical writing or code documentation
Why Join Us
Work on cutting-edge AI projects alongside leading AI research labs and teams
Fully remote and flexible — work when and where it suits you
Freelance autonomy with the structure of meaningful, task-based engineering work
Make a direct, tangible impact on how AI understands and generates JavaScript code
Potential for ongoing work and contract extension as new projects launch