Senior Full Stack Engineer, AI Platform

Job Summary

Geisinger is operationalizing AI at scale — moving past pilots into a portfolio of production AI capabilities serving 70+ programs across clinical care, operations, the health plan, and pharmacy. None of that scales without strong internal applications: the dashboards, evaluation tools, and developer portals that program teams, governance stakeholders, and platform engineers actually live inside every day. This role is where those applications get built. The Senior Full Stack Engineer owns the end-to-end product quality of every user-facing application the AI Platform ships — design system to component library, backend-for-frontend APIs to telemetry, role-based access to load-time budgets. Whenever a program lead opens a platform dashboard, a governance reviewer opens an evaluation tool, or a developer hits an internal portal, this is the engineer whose work decides whether they trust what they see and come back tomorrow. The role exists because internal AI tooling...