Full Stack Engineer

Full Stack Engineer (AI Training) About The Role What if your full-stack expertise could directly shape how AI writes and understands code for millions of developers around the world? We're looking for experienced Full Stack Engineers to evaluate AI-generated code, review system designs, and help train the next generation of AI models — across the entire web stack. This is a fully remote, flexible contract role built for senior engineers who want to do something meaningfully different with their skills. You'll work alongside world-leading AI research labs, applying your real-world engineering experience to make AI smarter, safer, and more technically rigorous. Organization: AlignerrType: Hourly ContractLocation: RemoteCommitment: 10–40 hours/week What You'll Do Evaluate AI-generated code across the full stack — frontend (React, Vue) and backend (Node, Python, C) — for correctness, efficiency, and best practicesDesign and build full-stack tooling to support AI data annotation and quality control workflowsReview complex system architectures and provide detailed, actionable feedback on scalability and performanceIdentify subtle bugs, edge cases, and architectural weaknesses in AI-produced codeDocument your evaluations clearly and consistently using structured formatsWork independently and asynchronously — on your own schedule Who You Are 3–5+ years of professional full-stack engineering experience writing production-grade codeProficient across the stack — JavaScript/TypeScript, Python, and ideally RustStrong grasp of system design principles, performance trade-offs, and scalable architectureExceptionally clear written communicator — you can explain complex technical decisions conciselyMaster's or PhD in Computer Science or a related technical field from a reputable universitySelf-directed and reliable when working independently without close supervision Nice to Have Experience with distributed systems, developer tooling, or AI/ML workflowsFamiliarity with AI model evaluation or data annotation pipelinesBackground in open-source development, technical writing, or code review at scale Why Join Us Work on cutting-edge AI projects alongside the world's leading research labsFully remote and flexible — work when and where it suits youFreelance autonomy with the structure of meaningful, technically rigorous workMake a direct, tangible impact on how AI understands and generates code at scalePotential for ongoing work and contract extension as new projects launch