Principal Software Engineer, Agentic Engineering

Make banking a Fifth Third better®

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We are looking for a Principal Software Engineer to join our Agentic Engineering team. You will build a platform where specialized AI agents compose across technical domains — knowledge and policy, change/ITSM, network security, cloud, and source code. Instead of an engineer manually stitching together answers from a half-dozen tools, agents coordinate with each other to do the work.

This is a hands-on technical leadership role that requires deep proficiency in Python and TypeScript, a track record of designing systems that operate reliably at organizational scale, and the ability to set standards that shape how enforcement is practiced across teams.

What You'll Do

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• Lead and grow a team of software engineers building production agents — setting direction, reviewing designs, mentoring, and unblocking.
• Define the team's engineering standards — agent patterns, tool integration, testing, code quality, observability, and review practices that hold the bar high.
• Architect the agent platform — the shared services and protocols (e.g., agent-to-agent messaging, tool servers) that let agents discover and compose with one another reliably.
• Stay hands-on — write code, prototype hard problems, and pair with engineers on the toughest parts of the system.
• Own the quality and safety of agent behavior — design how the team verifies that agents stay accurate, cost-efficient, and within guardrails over time.
• Translate vision into a roadmap — break an ambitious platform vision into shippable increments the team can execute and be proud of.
• Represent the team to leadership — communicate architecture, trade-offs, and progress clearly to engineering and product leadership.

What Differentiates This Role

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