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Principal Software Engineer

Fifth Third Center Cincinnati, US💼 Full-time🗓 2026-06-30 → 2026-10-02

Core

Design and implement scalable enterprise software solutions and AI-enabled engineering capabilities (internal tools, agentic workflows, LLM integration) within an agile squad.

Role type

Principal Software Engineer (AI Engineering & Architecture)

Builds

Distributed systems, APIs, AI-powered developer tools, and enterprise software applications

Domain

Banking / Enterprise Software Engineering / AI Engineering

Required skills

Distributed systems design, API development, AI/ML concepts, LLM integration, workflow orchestration, test-driven development, code quality standards, security best practices, technical standards definition (via careerplan.io/jobs/R68785-1-principal-software-engineer-at-fifththird)

Preferred skills

Agentic workflows, prompt engineering, internal developer tools, responsible AI principles, observability for AI solutions

Technologies

Git, GitHub, RESTful networking, Large Language Models, AI platforms

Responsibilities

Drive architecture of solutions across multiple services, mentor developers on modern and AI engineering practices, build reusable frameworks for AI adoption, establish guardrails for responsible AI development, automate processes and improve developer productivity

Seniority

Principal, hands-on IC with strategic vision and mentorship