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Circana

AI Principal Engineer

Circana

. Lead the design and delivery of agentic systems for a solution family, from domain discovery through production use .

Posted 9/25/2026full-timeUnited StatesLead💰 $200,000 - $250,000 per yearWebsite

Tech Stack

Tools & technologies
CloudOpen SourcePythonTypeScript

About the role

Key responsibilities & impact
  • Lead the design and delivery of agentic systems for a solution family, from domain discovery through production use
  • Translate domain expertise into intent ontologies, tool contracts, and evaluation sets with subject matter experts
  • Own harness engineering, including context management, tool contracts, MCP servers, guardrails, retries, graceful degradation, tracing, and replay
  • Establish evaluation infrastructure including golden traces, regression suites, routing tests, and offline and online measurement
  • Set reusable shared services, tools, and conventions
  • Anchor a pod of engineers by setting technical direction, reviewing work, and raising standards
  • Represent the work to product owners, architects, security, executives, and client stakeholders

Requirements

What you’ll need
  • Strong track record of designing and shipping agentic systems into production for real users
  • Deep production fluency with LangGraph, Google ADK, or Microsoft Agent Framework
  • Production experience across multiple model families
  • Production experience on at least one major cloud AI stack
  • Mastery of context management, prompt design, plan generation, structured outputs, and tool design
  • Daily fluency with agentic coding tools; Claude Code preferred
  • Command of the agentic development lifecycle, including specs as source of truth, continuous-integration evaluations, prompt and tool versioning, and trace-driven debugging
  • Communication skills across engineers, domain experts, and senior executives
  • Consumer goods, retail, or large-scale measurement data background preferred
  • Prior forward deployed or field engineering experience at an AI or data company preferred
  • Public artifacts such as talks, open source, or technical writing preferred
  • Experience with MCP, A2A, AG-UI, and A2UI protocols
  • Python and TypeScript experience
  • Experience with evaluation harnesses as CI and tracing and observability tooling
  • Successful completion of a background check may be required

Benefits

Comp & perks
  • Bonus pay eligibility
  • Paid time off
  • Medical insurance
  • Dental insurance
  • Vision insurance
  • 401(k)