{"schemaVersion":"jobsearcher.job.v1","id":"fa0b6ac8dfafd4b0c6fbb05d","url":"https://jobsearcher.com/jobs/fa0b6ac8dfafd4b0c6fbb05d","canonicalUrl":"https://jobsearcher.com/jobs/fa0b6ac8dfafd4b0c6fbb05d","title":"Principal Software Engineer - Models","description":"Overview\nIn this role you will own the frontend architecture for the W&B app, focusing on performance, stability, and scalability. You will shape cross-team boundaries and drive architectural decisions that affect how data is fetched and rendered at scale. The role blends frontend leadership with deep architectural work, partnering with backend and platform teams to optimize API design and delivery. You will influence the product’s frontend direction and set performance targets to improve the user experience for researchers and engineers. This is an opportunity to define the frontier of innovation in a data‑dense, visualization‑heavy AI tooling context.\n\nCompensation / BenefitsMedical, dental, and vision insurance (100% employer paid)401(k) with generous employer matchFlexible PTOTuition reimbursementEmployee stock purchase program (ESPP)Mental wellness benefits\nResponsibilitiesOwn the frontend architecture of the W&B app, ensuring performance and reliabilityDefine data fetching boundaries and client rendering boundaries as the product growsShape cross-team designs and drive consensus across organizational boundariesDrive performance targets and deliver the work needed to meet them in productionCollaborate with backend and platform teams on API design and moving work out of the clientPropose and drive large overhauls when incremental work is insufficientProvide leadership in frontend architecture for the Models frontend and manage cross-team requirements\nKey requirements8+ years building user-facing software with frontend architecture and performance expertiseLed transformation of a large React application focused on performance and dev experienceStrong command of React and TypeScript with production GraphQL experience and modern state management (Redux or Zustand)Proven ability to instrument performance, read frontend and backend traces, and quantify improvementsSolid client-side caching fundamentals with proper normalization and invalidationHands-on experience with bundlers/build tooling and strategic code splittingEnough backend depth to design high-level API architectures and assess frontend implicationsTrack record of cross-team coordination and delivering on multi-team initiativesOperator mindset: measure, ship, and stay close to productioncross-functional collaborationdata-driven decision makingcommunication and influence across teamsReactTypeScriptGraphQL","company":"CoreWeave","rawCompany":"coreweave","city":"Washington","state":"DC","isRemote":false,"isActive":false,"createdAt":"2026-09-22T03:54:38.697Z","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":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Software Engineer - Models","description":"Overview\nIn this role you will own the frontend architecture for the W&B app, focusing on performance, stability, and scalability. You will shape cross-team boundaries and drive architectural decisions that affect how data is fetched and rendered at scale. The role blends frontend leadership with deep architectural work, partnering with backend and platform teams to optimize API design and delivery. You will influence the product’s frontend direction and set performance targets to improve the user experience for researchers and engineers. This is an opportunity to define the frontier of innovation in a data‑dense, visualization‑heavy AI tooling context.\n\nCompensation / BenefitsMedical, dental, and vision insurance (100% employer paid)401(k) with generous employer matchFlexible PTOTuition reimbursementEmployee stock purchase program (ESPP)Mental wellness benefits\nResponsibilitiesOwn the frontend architecture of the W&B app, ensuring performance and reliabilityDefine data fetching boundaries and client rendering boundaries as the product growsShape cross-team designs and drive consensus across organizational boundariesDrive performance targets and deliver the work needed to meet them in productionCollaborate with backend and platform teams on API design and moving work out of the clientPropose and drive large overhauls when incremental work is insufficientProvide leadership in frontend architecture for the Models frontend and manage cross-team requirements\nKey requirements8+ years building user-facing software with frontend architecture and performance expertiseLed transformation of a large React application focused on performance and dev experienceStrong command of React and TypeScript with production GraphQL experience and modern state management (Redux or Zustand)Proven ability to instrument performance, read frontend and backend traces, and quantify improvementsSolid client-side caching fundamentals with proper normalization and invalidationHands-on experience with bundlers/build tooling and strategic code splittingEnough backend depth to design high-level API architectures and assess frontend implicationsTrack record of cross-team coordination and delivering on multi-team initiativesOperator mindset: measure, ship, and stay close to productioncross-functional collaborationdata-driven decision makingcommunication and influence across teamsReactTypeScriptGraphQL","datePosted":"2026-09-22T03:54:38.697Z","dateModified":"2026-09-22T03:54:38.697Z","hiringOrganization":{"@type":"Organization","name":"CoreWeave","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Washington","addressRegion":"DC","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"fa0b6ac8dfafd4b0c6fbb05d"},"url":"https://jobsearcher.com/jobs/fa0b6ac8dfafd4b0c6fbb05d"}}