JavaScript Engineer

JavaScript Engineer (AI Training)About The RoleWhat if your JavaScript expertise could directly influence how AI writes code for millions of developers around the world? We're looking for experienced JavaScript Engineers to evaluate and improve AI-generated code — ensuring it's correct, efficient, and written to the standards real engineers actually care about.This is a fully remote, flexible contract role built for working developers. You'll bring your real-world JS experience to one of the most impactful applications in tech right now: training the AI systems that are reshaping how software gets built.Organization: AlignerrType: Hourly ContractLocation: RemoteCommitment: 10–40 hours/weekWhat You'll DoReview and evaluate AI-generated JavaScript code for correctness, efficiency, and adherence to modern ES6+ standardsWrite high-quality JavaScript solutions across a range of difficulty levels — from everyday utility functions to complex async logicIdentify bugs, edge cases, and failure modes in AI-generated web and backend codeCraft clear, human-readable explanations of code logic and problem-solving approachesProvide structured, detailed feedback that helps AI models produce better, more reliable codeWork independently and asynchronously — fully on your own scheduleWho You AreDeep familiarity with core JavaScript concepts — async/await, closures, prototypal inheritance, DOM manipulation, and more3+ years of hands-on experience with modern JavaScript frameworks such as React, Node.js, or VueStrong instincts for clean, readable, maintainable code — you know the difference between code that works and code that's well writtenNaturally detail-oriented with a methodical approach to evaluating qualityAble to articulate technical reasoning clearly in writingA degree in Computer Science or a related field is preferred, but demonstrated experience matters mostNice to HaveExperience with data labeling, RLHF, or other AI training workflowsFamiliarity with TypeScript or modern JavaScript toolchains (Webpack, Vite, ESLint, etc.)Background in code review, technical writing, or software quality assuranceExperience working across both frontend and backend JavaScript environmentsWhy Join UsWork on cutting-edge AI projects alongside leading research labs and AI teamsFully remote and flexible — work when and where it suits youFreelance autonomy with the structure of meaningful, task-based workMake a direct, tangible impact on how AI understands and generates code used by developers worldwideTraining and onboarding support provided — no prior AI experience necessaryPotential for ongoing work and contract extension as new projects launch