{"schemaVersion":"jobsearcher.job.v1","id":"0ec79368aa2dfbf9ee26a1a3","url":"https://jobsearcher.com/jobs/0ec79368aa2dfbf9ee26a1a3","canonicalUrl":"https://jobsearcher.com/jobs/0ec79368aa2dfbf9ee26a1a3","title":"Machine Learning Engineer","description":"Own the matching engine and the models that rank every job we show.Hybrid\r\n$150,000–$190,000 + equity\r\nThe matching engine is the heart of Hiair: it scores every job for every candidate on a 0–100 scale and decides what we surface. As our Machine Learning Engineer you own that engine — profile and job embeddings, the scorer, and the periodic sweep that keeps scores fresh.\r\nYou'll improve retrieval and ranking quality with real offline evaluation, not vibes, and partner with the apply agents to close the loop between what we recommend and what actually converts.\r\nWhat you'll doOwn the embedding pipeline, the scorer, and the sweep that keeps match scores current.\r\nDesign and run offline evaluations for retrieval and ranking; ship improvements against real metrics.\r\nWork with pgvector/Postgres at scale and keep the scoring path fast and cheap.\r\nClose the loop with conversion data so recommendations get better over time.\r\nWhat we’re looking forSolid ML/IR fundamentals: embeddings, retrieval, ranking, and how to evaluate them honestly.\r\nStrong Python and comfort with production data systems (Postgres, vector search).\r\nExperience taking a model or scoring system from notebook to production.\r\nPragmatism about when a simpler model beats a fancier one.#J-18808-Ljbffr","company":"Hiairai","rawCompany":"hiairai","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-10-04T02:41:08.122Z","occupations":[{"code":"15-2051.00","title":"Data Scientists","slug":"data-scientists"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1221.00","title":"Computer and Information Research Scientists","slug":"computer-and-information-research-scientists"}],"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":"Machine Learning Engineer","description":"Own the matching engine and the models that rank every job we show.Hybrid\r\n$150,000–$190,000 + equity\r\nThe matching engine is the heart of Hiair: it scores every job for every candidate on a 0–100 scale and decides what we surface. As our Machine Learning Engineer you own that engine — profile and job embeddings, the scorer, and the periodic sweep that keeps scores fresh.\r\nYou'll improve retrieval and ranking quality with real offline evaluation, not vibes, and partner with the apply agents to close the loop between what we recommend and what actually converts.\r\nWhat you'll doOwn the embedding pipeline, the scorer, and the sweep that keeps match scores current.\r\nDesign and run offline evaluations for retrieval and ranking; ship improvements against real metrics.\r\nWork with pgvector/Postgres at scale and keep the scoring path fast and cheap.\r\nClose the loop with conversion data so recommendations get better over time.\r\nWhat we’re looking forSolid ML/IR fundamentals: embeddings, retrieval, ranking, and how to evaluate them honestly.\r\nStrong Python and comfort with production data systems (Postgres, vector search).\r\nExperience taking a model or scoring system from notebook to production.\r\nPragmatism about when a simpler model beats a fancier one.#J-18808-Ljbffr","datePosted":"2026-10-04T02:41:08.122Z","dateModified":"2026-10-04T02:41:08.122Z","hiringOrganization":{"@type":"Organization","name":"Hiairai","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"0ec79368aa2dfbf9ee26a1a3"},"url":"https://jobsearcher.com/jobs/0ec79368aa2dfbf9ee26a1a3"}}