Frontend JavaScript Engineer

Frontend JavaScript Engineer (AI Training)About The RoleWhat 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: AlignerrType: Hourly ContractLocation: RemoteCommitment: 10–40 hours/weekWhat You'll DoEvaluate AI-generated JavaScript code for correctness, efficiency, and adherence to modern ES6+ standardsAssess DOM manipulation approaches and identify performance issues or anti-patternsSolve complex UI/UX challenges to test the model's ability to produce responsive and interactive frontend solutionsIdentify bugs and suboptimal patterns in AI-generated frontend logic and provide clearly optimized alternativesWrite human-readable documentation explaining state flow, event handling, and code structureWork independently and asynchronously — fully on your own scheduleWho You AreDeep, hands-on knowledge of core JavaScript concepts — async/await, closures, the event loop, and DOM manipulation3–5 years of practical experience with modern frameworks such as React, Vue, or Node.jsStrong instincts for clean, maintainable, and efficient frontend codeNaturally detail-oriented with a systematic approach to evaluating and improving code qualityClear written communicator who can explain technical reasoning in plain termsBachelor's degree in Computer Science or a related technical field preferredNice to HaveExperience with data labeling, RLHF, or other AI training or evaluation projectsFamiliarity with testing frameworks, code review workflows, or frontend performance profilingBackground in technical writing or code documentationWhy Join UsWork on cutting-edge AI projects alongside leading AI research labs and teamsFully remote and flexible — work when and where it suits youFreelance autonomy with the structure of meaningful, task-based engineering workMake a direct, tangible impact on how AI understands and generates JavaScript codePotential for ongoing work and contract extension as new projects launch