{"schemaVersion":"jobsearcher.job.v1","id":"d89d3013cb912edeaaac95bc","url":"https://jobsearcher.com/jobs/d89d3013cb912edeaaac95bc","canonicalUrl":"https://jobsearcher.com/jobs/d89d3013cb912edeaaac95bc","title":"Full Stack Engineer (AI Training)","description":"OverviewModels can scaffold a whole app in one shot: front end, API, and database, all of it looking right. Then the state goes stale, the endpoint leaks data, and the migration bricks production. Someone has to trace a feature across every layer and find where it actually breaks, and that someone is you.As a Full Stack Engineer you'll run frontier models on real end-to-end tasks, analyze what they build across the stack, and write the judgments that teach the next generation to ship features that hold together.What you’ll actually doBuild with frontier models on real end-to-end tasks: wire a UI to an API, model the data, and see how far the model gets.Trace the feature across layers to find where it breaks: stale state, leaky endpoints, and migrations that don't survive contact with real data.Write the working version when the model falls short, sound from the component down to the schema.Roles this fitsCommon backgrounds: Full-Stack Engineer, Web Developer, Product Engineer.What we look forProfessional or serious open-source experience shipping full-stack applications.Comfort across the stack; most tasks span a JavaScript front end, an API layer, and a database.Clear written English: your explanations are the training signal.No degree required. We care about what you can do, not where you learned it.CompensationUp to $150+/hr depending on task difficulty and specialization. Many contributors add $100k–$200k a year; some make it their full-time income.About DataAnnotationDataAnnotation is where 1M+ experts train the world’s leading AI models. Hundreds of millions paid to contributors to date, and the average contributor stays 5+ years. Flexible, remote, and always project-available.Apply nowHourly rate up to $150+ / hourCommitment Flexible hoursType Independent contractorPayouts WeeklyApply now","company":"Data Annotation","rawCompany":"dataannotation","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-10-25T07:51:06.430Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Full Stack Engineer (AI Training)","description":"OverviewModels can scaffold a whole app in one shot: front end, API, and database, all of it looking right. Then the state goes stale, the endpoint leaks data, and the migration bricks production. Someone has to trace a feature across every layer and find where it actually breaks, and that someone is you.As a Full Stack Engineer you'll run frontier models on real end-to-end tasks, analyze what they build across the stack, and write the judgments that teach the next generation to ship features that hold together.What you’ll actually doBuild with frontier models on real end-to-end tasks: wire a UI to an API, model the data, and see how far the model gets.Trace the feature across layers to find where it breaks: stale state, leaky endpoints, and migrations that don't survive contact with real data.Write the working version when the model falls short, sound from the component down to the schema.Roles this fitsCommon backgrounds: Full-Stack Engineer, Web Developer, Product Engineer.What we look forProfessional or serious open-source experience shipping full-stack applications.Comfort across the stack; most tasks span a JavaScript front end, an API layer, and a database.Clear written English: your explanations are the training signal.No degree required. We care about what you can do, not where you learned it.CompensationUp to $150+/hr depending on task difficulty and specialization. Many contributors add $100k–$200k a year; some make it their full-time income.About DataAnnotationDataAnnotation is where 1M+ experts train the world’s leading AI models. Hundreds of millions paid to contributors to date, and the average contributor stays 5+ years. Flexible, remote, and always project-available.Apply nowHourly rate up to $150+ / hourCommitment Flexible hoursType Independent contractorPayouts WeeklyApply now","datePosted":"2026-10-25T07:51:06.430Z","dateModified":"2026-10-25T07:51:06.430Z","hiringOrganization":{"@type":"Organization","name":"Data Annotation","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d89d3013cb912edeaaac95bc"},"url":"https://jobsearcher.com/jobs/d89d3013cb912edeaaac95bc"}}