{"schemaVersion":"jobsearcher.job.v1","id":"2fa0e22b4da9a792203b7494","url":"https://jobsearcher.com/jobs/2fa0e22b4da9a792203b7494","canonicalUrl":"https://jobsearcher.com/jobs/2fa0e22b4da9a792203b7494","title":"Sr. Fullstack Engineer","description":"Job OverviewAs a Sr. Full-Stack Engineer, you will play a pivotal role in designing and implementing innovative product surfaces and backend services that turn GTM data into actionable insights via intuitive UI and robust APIs. Collaborate closely with Product and GTM teams to build and optimize user-facing applications in React/TypeScript, paired with Python FastAPI/GraphQL for seamless agent workflows.ResponsibilitiesOwn end-to-end delivery of product surfaces and supporting services—transforming messy GTM data into clear UI, fast APIs, and agent-driven workflows.Ship in tight feedback loops with Product and GTM, focusing on reliability, latency, cost, and developer experience.Build product surfaces: Ship React/TypeScript web UI (apps, chat, integrations) with outstanding UX, accessibility, and instrumentation.Own APIs/services: Design and implement Python FastAPI/GraphQL endpoints, data models, and background jobs powering agent workflows.Context & orchestration: Contribute to the context graph and planner/executor policies; implement evaluation harnesses to measure quality.Production excellence: Add observability, tests, and runbooks; improve latency and run cost; implement safe fallbacks.Integrations: Deliver and maintain integrations with CRM and sales tools; minimize user context-switching.Engineering leadership: Write RFCs, lead design/code reviews, mentor ICs, and improve standards and tooling.QualificationsWe’re looking for an owner-builder who has shipped complex, user-facing software and the APIs behind it.4+ years building and owning full-stack apps with measurable impact (0→1 and 1→N).Strong React/TypeScript (state management, performance, testing) and Python (FastAPI/GraphQL).Comfortable with AWS production operations; familiarity with PostgreSQL/DynamoDB, Kubernetes, Pulumi, event-driven architectures.Experience combining multi-source data into product-ready models; strong privacy, reliability, and multi-tenant instincts.Nice to have: Agent orchestration/planning, retrieval/graph-shaped context, evaluation frameworks, distributed systems.Candidates should already been based in the US.Office locationSan FransiscoNew York CityVancouverSalary range$100.000 - $200.000 annually.Benefits401k RetirementHealth InsuranceVision InsuranceDental InsuranceWilling to SponsorOpen to considering relocation for the right candidate (preference for local candidates)","company":"Actalent Solutions","rawCompany":"actalent solutions","city":"Vancouver","state":"WA","isRemote":false,"isActive":false,"createdAt":"2026-04-12T17:09:43.971Z","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":"Sr. Fullstack Engineer","description":"Job OverviewAs a Sr. Full-Stack Engineer, you will play a pivotal role in designing and implementing innovative product surfaces and backend services that turn GTM data into actionable insights via intuitive UI and robust APIs. Collaborate closely with Product and GTM teams to build and optimize user-facing applications in React/TypeScript, paired with Python FastAPI/GraphQL for seamless agent workflows.ResponsibilitiesOwn end-to-end delivery of product surfaces and supporting services—transforming messy GTM data into clear UI, fast APIs, and agent-driven workflows.Ship in tight feedback loops with Product and GTM, focusing on reliability, latency, cost, and developer experience.Build product surfaces: Ship React/TypeScript web UI (apps, chat, integrations) with outstanding UX, accessibility, and instrumentation.Own APIs/services: Design and implement Python FastAPI/GraphQL endpoints, data models, and background jobs powering agent workflows.Context & orchestration: Contribute to the context graph and planner/executor policies; implement evaluation harnesses to measure quality.Production excellence: Add observability, tests, and runbooks; improve latency and run cost; implement safe fallbacks.Integrations: Deliver and maintain integrations with CRM and sales tools; minimize user context-switching.Engineering leadership: Write RFCs, lead design/code reviews, mentor ICs, and improve standards and tooling.QualificationsWe’re looking for an owner-builder who has shipped complex, user-facing software and the APIs behind it.4+ years building and owning full-stack apps with measurable impact (0→1 and 1→N).Strong React/TypeScript (state management, performance, testing) and Python (FastAPI/GraphQL).Comfortable with AWS production operations; familiarity with PostgreSQL/DynamoDB, Kubernetes, Pulumi, event-driven architectures.Experience combining multi-source data into product-ready models; strong privacy, reliability, and multi-tenant instincts.Nice to have: Agent orchestration/planning, retrieval/graph-shaped context, evaluation frameworks, distributed systems.Candidates should already been based in the US.Office locationSan FransiscoNew York CityVancouverSalary range$100.000 - $200.000 annually.Benefits401k RetirementHealth InsuranceVision InsuranceDental InsuranceWilling to SponsorOpen to considering relocation for the right candidate (preference for local candidates)","datePosted":"2026-04-12T17:09:43.971Z","dateModified":"2026-04-12T17:09:43.971Z","hiringOrganization":{"@type":"Organization","name":"Actalent Solutions","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Vancouver","addressRegion":"WA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"2fa0e22b4da9a792203b7494"},"url":"https://jobsearcher.com/jobs/2fa0e22b4da9a792203b7494"}}