{"schemaVersion":"jobsearcher.job.v1","id":"97e4a450757e2bc8b9f17108","url":"https://jobsearcher.com/jobs/97e4a450757e2bc8b9f17108","canonicalUrl":"https://jobsearcher.com/jobs/97e4a450757e2bc8b9f17108","title":"Senior Software Engineer Contract","description":"About the CompanyA leading AGI infrastructure company working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent.About the RoleWe're looking for a high-taste engineer with a strong eye for quality. The ideal candidate will have hands-on experience with preference data and rubric creation, understanding what separates a good example from a great one.You'll communicate clearly and be able to synthesise complex technical work in a concise, structured, and actionable way. You'll be comfortable working in ambiguous, fast-moving environments and have a bias towards shipping over deliberating.What Does Day-to-Day Look Like?Design, refine, and iterate on rubrics and evaluation criteria for preference data.Review and label data to a high standard, identifying subtle issues others might miss.Build and maintain pipelines and infrastructure supporting data generation, collection, and evaluation workflows.Synthesise findings from data work into clear write-ups, updates, and recommendations.Collaborate closely with researchers and engineers to translate qualitative judgement into scalable processes.Required Skills5+ years of proficiency in Python, particularly building and maintaining pipelines and infrastructure, or TypeScript. Experience contributing to or navigating large codebases, such as VS Code, is a plus.Hands-on experience with preference data collection and/or rubric creation.Strong written and verbal communication skills, with the ability to distil technical work into clear, actionable summaries.Demonstrated high-quality judgement, with the ability to articulate why something is good, not just that it is.Perks of the ContractFully remote working environment.Opportunity to work on cutting-edge AI projects with leading LLM companies.","company":"Haystack","rawCompany":"haystack","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-10-30T07:49:05.935Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"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":"Senior Software Engineer Contract","description":"About the CompanyA leading AGI infrastructure company working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent.About the RoleWe're looking for a high-taste engineer with a strong eye for quality. The ideal candidate will have hands-on experience with preference data and rubric creation, understanding what separates a good example from a great one.You'll communicate clearly and be able to synthesise complex technical work in a concise, structured, and actionable way. You'll be comfortable working in ambiguous, fast-moving environments and have a bias towards shipping over deliberating.What Does Day-to-Day Look Like?Design, refine, and iterate on rubrics and evaluation criteria for preference data.Review and label data to a high standard, identifying subtle issues others might miss.Build and maintain pipelines and infrastructure supporting data generation, collection, and evaluation workflows.Synthesise findings from data work into clear write-ups, updates, and recommendations.Collaborate closely with researchers and engineers to translate qualitative judgement into scalable processes.Required Skills5+ years of proficiency in Python, particularly building and maintaining pipelines and infrastructure, or TypeScript. Experience contributing to or navigating large codebases, such as VS Code, is a plus.Hands-on experience with preference data collection and/or rubric creation.Strong written and verbal communication skills, with the ability to distil technical work into clear, actionable summaries.Demonstrated high-quality judgement, with the ability to articulate why something is good, not just that it is.Perks of the ContractFully remote working environment.Opportunity to work on cutting-edge AI projects with leading LLM companies.","datePosted":"2026-10-30T07:49:05.935Z","dateModified":"2026-10-30T07:49:05.935Z","hiringOrganization":{"@type":"Organization","name":"Haystack","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"97e4a450757e2bc8b9f17108"},"url":"https://jobsearcher.com/jobs/97e4a450757e2bc8b9f17108"}}