Sr. Full Stack Engineer (Hybrid)

Responsibilities : -Own 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. Qualifications : -Were 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.