Senior Full Stack Engineer, AI Platform
Posted 15hrs ago
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Job Description
Senior Full Stack Engineer responsible for building user-facing applications for AI programs at Geisinger. Collaborating with teams to optimize internal tools for effective AI capabilities.
Responsibilities:
- Own the end-to-end product quality of every user-facing application the AI Platform ships
- Build the frontend architecture and the shared design system / component library used across every AI Platform application
- Ensure RBAC-aware interfaces, making sure program teams, governance stakeholders, leadership, and platform engineers see the right data and controls
- Lead the backend-for-frontend layer, API patterns, data contracts with MLOps, and the seams where the UI meets the platform
- Define the application-level testing strategy: unit, integration, and end-to-end suites
- Instrument every application for adoption, feature engagement, error rates, and load times, and surface insights that inform the platform roadmap
- Optimize frontend performance, including bundle optimization and lazy loading
- Define and enforce UX quality gates that no application ships below
- Collaborate with application teams to build user-facing applications alongside MLOps engineers
- Wire telemetry into every surface and read the generated data for informed decision making
Requirements:
- 5+ years of full stack engineering experience shipping production web applications, including at least 2 years where you were the senior frontend voice on a team or product
- Deep proficiency in modern React (hooks, context, suspense, performance patterns) and the surrounding ecosystem
- Hands-on experience designing or substantially evolving a shared component library or design system used by more than one application
- Strong fluency in Python and FastAPI (or comparable Python web framework experience) for backend-for-frontend work
- Demonstrated ownership of accessibility (WCAG 2.1 AA) as a first-class engineering concern, not a final-week checklist
- Experience implementing role-based access controls and permission-aware views in real applications
- A real testing practice: unit, integration, and E2E with one of Playwright or Cypress
- Experience instrumenting applications with usage telemetry and using that data to inform product decisions
- Strong written communication — you will write technical specs, design system documentation, and API contracts that other engineers rely on
- Bachelor's degree in Computer Science, a related technical field, or equivalent professional experience
Benefits:
- Healthcare benefits for full time and part time positions from day one, including vision, dental and benefits for domestic partners
- Atmosphere of collaboration, cooperation and collegiality


















