Frontend JavaScript Developer
Alignerr
full-remotemidcontractfrontend Seattle, WA Today via LinkedIn
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JavaScriptES6+ReactVueDOM ManipulationAsync/AwaitCode ReviewTechnical WritingAI TrainingUI/UX
About the role
Role Overview
Frontend JavaScript Developer (AI Training) Evaluate, critique, and improve AI-generated JavaScript code so it meets the expectations of real-world frontend engineers.
- Type: Hourly contract
- Location: Fully remote (flexible schedule)
- Time commitment: 10–40 hours/week
What You’ll Do
- Evaluate AI-generated JavaScript for:
- correctness
- efficiency
- compliance with ES6+ standards
- Identify issues in AI code, such as:
- bugs
- anti-patterns
- suboptimal logic
- and provide optimized alternatives
- Solve complex UI/UX challenges to test AI performance on responsive and interactive elements
- Assess DOM manipulation efficiency and real-world usability of AI-produced scripts
- Write clear, human-readable documentation covering:
- state flow
- event handling
- code logic
- Complete task-based assignments independently and asynchronously on your own schedule
Who You Are
- Strong command of modern JavaScript, including:
- async/await
- closures
- DOM manipulation
- ES6+ ecosystem
- 3–5 years hands-on experience with frontend/backend frameworks such as React, Vue, or Node.js
- Strong code quality judgment—able to explain why code falls short
- Clear written communication
- Self-motivated and consistent working independently
- CS degree preferred (or equivalent experience)
Nice to Have
- Experience with data labeling, RLHF, or other AI training/evaluation work
- Background in code review, technical writing, or developer education
- Familiarity with frontend performance profiling/optimization tools
- Experience with testing frameworks or software quality assurance workflows
About Alignerr
Alignerr is an AI-focused organization working on AI training and evaluation projects. The role involves reviewing and improving AI-generated frontend JavaScript code to help ensure AI coding tools meet real engineering standards.
Scraped 4/12/2026