{"schemaVersion":"jobsearcher.job.v1","id":"65ac51444cb8407ccebb94df","url":"https://jobsearcher.com/jobs/65ac51444cb8407ccebb94df","canonicalUrl":"https://jobsearcher.com/jobs/65ac51444cb8407ccebb94df","title":"Research Engineer: RL & Post-Training LLM Systems","description":"Preference Model is seeking Research Engineers or Research Scientists to advance self-directed learning in AI. The role involves training and evaluating models within proprietary RL environments and optimizing ML infrastructure.\nCandidates will benefit from competitive compensation, ownership in a fast-paced startup, and support for personal growth. Experience in Python, PyTorch, or JAX, along with RL training frameworks, is desired. The opportunity is a unique blend of research and engineering within a dynamic team.\n\n#J-18808-Ljbffr","company":"Preference Model","rawCompany":"preference model","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-07-16T04:08:58.189Z","occupations":[{"code":"15-1221.00","title":"Computer and Information Research Scientists","slug":"computer-and-information-research-scientists"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-2051.00","title":"Data Scientists","slug":"data-scientists"}],"industries":[{"code":"541715","title":"Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)","slug":"research-and-development-in-the-physical-engineering-and-life-sciences-except-nanotechnology-and-biotechnology"},{"code":"541690","title":"Other Scientific and Technical Consulting Services","slug":"other-scientific-and-technical-consulting-services"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Research Engineer: RL & Post-Training LLM Systems","description":"Preference Model is seeking Research Engineers or Research Scientists to advance self-directed learning in AI. The role involves training and evaluating models within proprietary RL environments and optimizing ML infrastructure.\nCandidates will benefit from competitive compensation, ownership in a fast-paced startup, and support for personal growth. Experience in Python, PyTorch, or JAX, along with RL training frameworks, is desired. The opportunity is a unique blend of research and engineering within a dynamic team.\n\n#J-18808-Ljbffr","datePosted":"2026-07-16T04:08:58.189Z","dateModified":"2026-07-16T04:08:58.189Z","hiringOrganization":{"@type":"Organization","name":"Preference Model","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"65ac51444cb8407ccebb94df"},"url":"https://jobsearcher.com/jobs/65ac51444cb8407ccebb94df"}}