{"schemaVersion":"jobsearcher.job.v1","id":"0775ec50af7cddc739b8c5ec","url":"https://jobsearcher.com/jobs/0775ec50af7cddc739b8c5ec","canonicalUrl":"https://jobsearcher.com/jobs/0775ec50af7cddc739b8c5ec","title":"LLM Applications Engineer (Enterprise)","description":"LLM Engineer (AI Tooling Start-Up)$170,000 - $220,000 + Equity + Benefits + PTOOn-site in San Francisco, CAAre you passionate about building production-grade systems on top of large language models? Do you thrive in environments where you directly own developer-facing infrastructure that powers how millions of users interact with LLMs?This is an opportunity to join a fast-growing, open-source-first startup at the forefront of AI infrastructure, building the gateway layer that enables developers to seamlessly integrate and scale across 100+ LLM providers and adjacent services. Trusted by leading enterprises and widely adopted by the developer community, the platform provides a unified API framework that standardizes how LLMs are accessed and used in production.Now, they're looking for an LLM Engineer to own the unification, translation, and reliability of LLM APIs across the platform.You'll take ownership of the core interoperability layer, shaping how different LLM providers, APIs, and emerging standards are normalized and exposed to developers. You'll work closely with leadership, users, and the open-source community to ensure new models and features are accessible, consistent, and production-ready from day one.If you're looking for a role where you can combine hands-on backend engineering with real user impact and directly influence the infrastructure that underpins modern AI applications, this is an outstanding opportunity.The Role:Own and resolve LLM translation issues for paid customers in productionRoll out support for new LLM models, providers, and endpoints across the platformLead day0 launches for new model releases from OpenAI, Anthropic, and GoogleImplement and maintain translation and normalization logic across differing LLM APIsMaintain provider integrations and ensure consistent behavior, reliability, and performanceImprove observability, error handling, and system resilience for AI driven workloadsCollaborate with internal teams and customers to turn real world usage into platform improvementsThe Person:Proficiency in Python and backend frameworks (FastAPI preferred)Strong familiarity with LLM APIs (e.g. OpenAI, Anthropic) and their nuances (/chat/completions vs /responses)Experience building or working with API translation, integration, or gateway layersSolid understanding of backend systems, API design, and distributed servicesComfortable owning production systems and debugging real user issuesPassion for open source and engaging with developer communitiesExcited to work in a small, high-ownership, fast-moving team and speak directly with usersRise Technical Recruitment Inc of 1011 Centre Rd, Suite 322, Wilmington, DE 19805 act as an employer-paid private personnel agency.The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.","company":"Client","rawCompany":"client","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-04-20T05:07:57.991Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"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":"LLM Applications Engineer (Enterprise)","description":"LLM Engineer (AI Tooling Start-Up)$170,000 - $220,000 + Equity + Benefits + PTOOn-site in San Francisco, CAAre you passionate about building production-grade systems on top of large language models? Do you thrive in environments where you directly own developer-facing infrastructure that powers how millions of users interact with LLMs?This is an opportunity to join a fast-growing, open-source-first startup at the forefront of AI infrastructure, building the gateway layer that enables developers to seamlessly integrate and scale across 100+ LLM providers and adjacent services. Trusted by leading enterprises and widely adopted by the developer community, the platform provides a unified API framework that standardizes how LLMs are accessed and used in production.Now, they're looking for an LLM Engineer to own the unification, translation, and reliability of LLM APIs across the platform.You'll take ownership of the core interoperability layer, shaping how different LLM providers, APIs, and emerging standards are normalized and exposed to developers. You'll work closely with leadership, users, and the open-source community to ensure new models and features are accessible, consistent, and production-ready from day one.If you're looking for a role where you can combine hands-on backend engineering with real user impact and directly influence the infrastructure that underpins modern AI applications, this is an outstanding opportunity.The Role:Own and resolve LLM translation issues for paid customers in productionRoll out support for new LLM models, providers, and endpoints across the platformLead day0 launches for new model releases from OpenAI, Anthropic, and GoogleImplement and maintain translation and normalization logic across differing LLM APIsMaintain provider integrations and ensure consistent behavior, reliability, and performanceImprove observability, error handling, and system resilience for AI driven workloadsCollaborate with internal teams and customers to turn real world usage into platform improvementsThe Person:Proficiency in Python and backend frameworks (FastAPI preferred)Strong familiarity with LLM APIs (e.g. OpenAI, Anthropic) and their nuances (/chat/completions vs /responses)Experience building or working with API translation, integration, or gateway layersSolid understanding of backend systems, API design, and distributed servicesComfortable owning production systems and debugging real user issuesPassion for open source and engaging with developer communitiesExcited to work in a small, high-ownership, fast-moving team and speak directly with usersRise Technical Recruitment Inc of 1011 Centre Rd, Suite 322, Wilmington, DE 19805 act as an employer-paid private personnel agency.The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.","datePosted":"2026-04-20T05:07:57.991Z","dateModified":"2026-04-20T05:07:57.991Z","hiringOrganization":{"@type":"Organization","name":"Client","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"0775ec50af7cddc739b8c5ec"},"url":"https://jobsearcher.com/jobs/0775ec50af7cddc739b8c5ec"}}