Senior Principal Full Stack Engineer

Job Description
Insight Global is looking for Principal Software Engineers.

Our client’s team is building an AI agent that helps users design and build applications on the client’s platform, and they’re looking for an engineer to help shape it — from how the agent reasons, plans, and recovers from failure, to the tools it uses to build and test applications, to the backend that keeps it fast and dependable at scale.

This is a blend of applied AI engineering and backend systems work, well suited to someone who has built agentic products and enjoys owning ambiguous, high-impact problems end to end. You’ll work across a TypeScript backend (Node.js / Express) and a Python (FastAPI) AI service that orchestrates the agent.

Key Responsibilities:
• Agent reasoning & behavior — Design and refine how the agent interprets intent, plans multi-step work, calls tools, and recovers from failure — across an orchestrator and specialized builder, planner, tester, and sea...

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