{"schemaVersion":"jobsearcher.job.v1","id":"9d21d36531c1052720368d95","url":"https://jobsearcher.com/jobs/9d21d36531c1052720368d95","canonicalUrl":"https://jobsearcher.com/jobs/9d21d36531c1052720368d95","title":"Product Engineer (Full-Stack)","description":"The Opportunity\nJoin our product engineering team in the US to build features that directly impact how customers experience and adopt our platform. This role bridges technical execution and product thinking - you'll ship user-facing features while making architectural decisions across the entire stack.\n\nYou’ll work end-to-end: designing interfaces, building APIs, optimizing performance, and deploying to production. We move fast, iterate with users, and expect engineers to own problems from concept to launch.\n\nWe sponsor visas for qualified candidates.\n\nCore Responsibilities\n\nBuild full-stack features from UI components to backend services\n\nDesign and implement responsive, intuitive user interfaces with React\n\nDevelop high-performance APIs using FastAPI and async Python\n\nWork with LLM integrations, prompt engineering, and AI-powered workflows\n\nDeploy and monitor features across our AWS infrastructure\n\nGather user feedback and iterate rapidly on what you ship\n\nTechnical Requirements\n\nStrong full-stack development experience (frontend + backend)\n\nProficient in React and modern JavaScript/TypeScript\n\nPython skills with FastAPI or similar frameworks\n\nExperience with PostgreSQL, Redis, and async patterns\n\nComfortable with AWS/Azure/GCP, deployment pipelines, and infrastructure basics\n\nProduct mindset - you care about user experience and customers, not just code\n\nNice to Have\n\nExperience building with LLMs and AI-powered features\n\nBrowser automation or headless browser technologies\n\nDesign sensibility and attention to UI/UX details\n\nPrevious startup or 0-to-1 product experience\n\nWhy Karumi\n\nMeaningful equity stake in a backed, fast-growing company\n\nEnd-to-end ownership of features users interact with daily\n\nDirect impact on product direction and company trajectory\n\nSmall team where shipping matters more than process\n\nGym\n\nVisa sponsorship available\n\nAbout the company\nKarumi (YC F25)\n\n#J-18808-Ljbffr","company":"SupportFinity","rawCompany":"supportfinity","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-06-18T03:23:52.370Z","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":"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":"Product Engineer (Full-Stack)","description":"The Opportunity\nJoin our product engineering team in the US to build features that directly impact how customers experience and adopt our platform. This role bridges technical execution and product thinking - you'll ship user-facing features while making architectural decisions across the entire stack.\n\nYou’ll work end-to-end: designing interfaces, building APIs, optimizing performance, and deploying to production. We move fast, iterate with users, and expect engineers to own problems from concept to launch.\n\nWe sponsor visas for qualified candidates.\n\nCore Responsibilities\n\nBuild full-stack features from UI components to backend services\n\nDesign and implement responsive, intuitive user interfaces with React\n\nDevelop high-performance APIs using FastAPI and async Python\n\nWork with LLM integrations, prompt engineering, and AI-powered workflows\n\nDeploy and monitor features across our AWS infrastructure\n\nGather user feedback and iterate rapidly on what you ship\n\nTechnical Requirements\n\nStrong full-stack development experience (frontend + backend)\n\nProficient in React and modern JavaScript/TypeScript\n\nPython skills with FastAPI or similar frameworks\n\nExperience with PostgreSQL, Redis, and async patterns\n\nComfortable with AWS/Azure/GCP, deployment pipelines, and infrastructure basics\n\nProduct mindset - you care about user experience and customers, not just code\n\nNice to Have\n\nExperience building with LLMs and AI-powered features\n\nBrowser automation or headless browser technologies\n\nDesign sensibility and attention to UI/UX details\n\nPrevious startup or 0-to-1 product experience\n\nWhy Karumi\n\nMeaningful equity stake in a backed, fast-growing company\n\nEnd-to-end ownership of features users interact with daily\n\nDirect impact on product direction and company trajectory\n\nSmall team where shipping matters more than process\n\nGym\n\nVisa sponsorship available\n\nAbout the company\nKarumi (YC F25)\n\n#J-18808-Ljbffr","datePosted":"2026-06-18T03:23:52.370Z","dateModified":"2026-06-18T03:23:52.370Z","hiringOrganization":{"@type":"Organization","name":"SupportFinity","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"9d21d36531c1052720368d95"},"url":"https://jobsearcher.com/jobs/9d21d36531c1052720368d95"}}