{"schemaVersion":"jobsearcher.job.v1","id":"db3637fa5b241dbe49801f8a","url":"https://jobsearcher.com/jobs/db3637fa5b241dbe49801f8a","canonicalUrl":"https://jobsearcher.com/jobs/db3637fa5b241dbe49801f8a","title":"Software Engineer, TypeScript","description":"About the jobMeeBoss is sharing this active opportunity on behalf of the hiring company. Mercor is seeking experienced TypeScript engineers to build the dataset that teaches AI agents to reason about real codebases.This role involves creating a reinforcement-learning environment for training AI agents to explore and reason about software repositories they have never seen before.Job titleSoftware Engineer, TypeScript — Codebase Q&A [Ai Jobs]CompanyMeeBossLocationRemoteCompensationContract, task-based work paid at $130 per approved task.Why this roleThis track works on codebases at the centre of the modern JS/TS ecosystem, including Babel, Jest, Astro, TypeORM, Apollo Server, GraphQL-JS, Socket.IO, TanStack Router, NextAuth, XState, TypeDoc, and typescript-eslint.What you will doSelect tasks from a pre-validated pool of TypeScript repositories, each pinned to a specific git commit and arriving with an engineering question, positive and negative rubrics, foils, and a golden solution.Explore the repository until you genuinely understand the subsystem in question, including the relevant PR or issue history.Rewrite the task’s question so it defeats frontier coding agents while remaining well-defined and fairly answerable.Adjust rubrics and foils so they reward correct reasoning and reject plausible-but-wrong answers.Run the full validation loop in Studio — Check, Golden, Run, Analyze — and iterate until every stage passes.Document your work in the task README and submit for expert review, addressing reviewer feedback on returned tasks.What we are looking for3+ years of professional software engineering experience, with substantial production TypeScript.Demonstrated ability to navigate a large, unfamiliar TypeScript monorepo and explain how it behaves at runtime — not just what the types say.Fluency in the advanced type system, module resolution, bundlers and transpilers, and the Node and browser runtimes; comfort reading compiler and plugin internals.Experience with developer tooling, compilers, test frameworks, GraphQL servers, or state machines is highly relevant — the task mix is weighted toward architecture and system design (48%) and code onboarding (35%).Precise written English: the questions and rubrics you write are the product.Comfortable with git at commit level, containerized environments, and command-line tooling.BenefitsFully remote and asynchronous, with expert team leads across US, India, and Nigeria time zones.Work is performed in Mercor Studio; time is tracked with Insightful, and platform access is provisioned through Okta.Onboarding requires identity verification, a background check, signed Terms of Work and CIIAA, a tax form, and passing a short calibration quiz before task access is granted.Payment is per approved task; every task is reviewed by a second engineer and a super reviewer before acceptance.About MeeBossMeeBoss helps job seekers and hiring teams make direct, relevant career connections.","company":"Meeboss","rawCompany":"meeboss","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-09-12T08:29:54.528Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1253.00","title":"Software Quality Assurance Analysts and Testers","slug":"software-quality-assurance-analysts-and-testers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Software Engineer, TypeScript","description":"About the jobMeeBoss is sharing this active opportunity on behalf of the hiring company. Mercor is seeking experienced TypeScript engineers to build the dataset that teaches AI agents to reason about real codebases.This role involves creating a reinforcement-learning environment for training AI agents to explore and reason about software repositories they have never seen before.Job titleSoftware Engineer, TypeScript — Codebase Q&A [Ai Jobs]CompanyMeeBossLocationRemoteCompensationContract, task-based work paid at $130 per approved task.Why this roleThis track works on codebases at the centre of the modern JS/TS ecosystem, including Babel, Jest, Astro, TypeORM, Apollo Server, GraphQL-JS, Socket.IO, TanStack Router, NextAuth, XState, TypeDoc, and typescript-eslint.What you will doSelect tasks from a pre-validated pool of TypeScript repositories, each pinned to a specific git commit and arriving with an engineering question, positive and negative rubrics, foils, and a golden solution.Explore the repository until you genuinely understand the subsystem in question, including the relevant PR or issue history.Rewrite the task’s question so it defeats frontier coding agents while remaining well-defined and fairly answerable.Adjust rubrics and foils so they reward correct reasoning and reject plausible-but-wrong answers.Run the full validation loop in Studio — Check, Golden, Run, Analyze — and iterate until every stage passes.Document your work in the task README and submit for expert review, addressing reviewer feedback on returned tasks.What we are looking for3+ years of professional software engineering experience, with substantial production TypeScript.Demonstrated ability to navigate a large, unfamiliar TypeScript monorepo and explain how it behaves at runtime — not just what the types say.Fluency in the advanced type system, module resolution, bundlers and transpilers, and the Node and browser runtimes; comfort reading compiler and plugin internals.Experience with developer tooling, compilers, test frameworks, GraphQL servers, or state machines is highly relevant — the task mix is weighted toward architecture and system design (48%) and code onboarding (35%).Precise written English: the questions and rubrics you write are the product.Comfortable with git at commit level, containerized environments, and command-line tooling.BenefitsFully remote and asynchronous, with expert team leads across US, India, and Nigeria time zones.Work is performed in Mercor Studio; time is tracked with Insightful, and platform access is provisioned through Okta.Onboarding requires identity verification, a background check, signed Terms of Work and CIIAA, a tax form, and passing a short calibration quiz before task access is granted.Payment is per approved task; every task is reviewed by a second engineer and a super reviewer before acceptance.About MeeBossMeeBoss helps job seekers and hiring teams make direct, relevant career connections.","datePosted":"2026-09-12T08:29:54.528Z","dateModified":"2026-09-12T08:29:54.528Z","hiringOrganization":{"@type":"Organization","name":"Meeboss","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"db3637fa5b241dbe49801f8a"},"url":"https://jobsearcher.com/jobs/db3637fa5b241dbe49801f8a"}}