We're looking for a Senior Full-Stack Engineer to design and deliver high-impact product features and Back End services that turn complex GTM data into actionable insights. You'll build intuitive user interfaces in React/TypeScript and robust APIs with Python FastAPI/GraphQL, powering seamless agent workflows. This is a hands-on role where you'll collaborate closely with Product and GTM teams, owning projects from concept to production.

• Build and ship web applications with React/TypeScript, focusing on performance, UX, accessibility, and instrumentation.
• Design and implement APIs, services, and data models in Python (FastAPI/GraphQL).
• Contribute to orchestration, retrieval, and evaluation frameworks to improve agent workflows.
• Ensure production excellence by adding observability, testing, runbooks, and performance optimizations.

Deliver integrations with CRM and sales tools to streamline user workflows.

• Lead technical design, write RFCs, review code, and mentor engineers while improving standards and tooling.

• 4+ years of full-stack development experience with measurable impact on user-facing products.

Strong expertise in React/TypeScript and Python (FastAPI/GraphQL).

• Experience with AWS, PostgreSQL/DynamoDB, Kubernetes, Pulumi, and event-driven systems.
• Proven ability to transform multi-source data into reliable, production-ready models.

Strong instincts around reliability, privacy, scalability, and cost optimization.

• Excellent communication skills for technical trade-offs and cross-functional collaboration.

• Experience with agent orchestration, retrieval systems, or graph-shaped data models.

Background in eval frameworks or distributed systems.

Previous work in AI, data infrastructure, or GTM tooling.