Senior Software Engineer AI-Driven Cloud-Native

Old National Bank; Saint Paul (MN); On-site; USD 98,000 - 199,000; Full time

Job summary

Old National Bank is seeking an experienced Software Developer III to own delivery of complex features and small systems, applying AI-assisted workflows to ship secure, reliable software.

You will mentor peers, lead design and code reviews, and collaborate with product, security, and risk to shape acceptance criteria in a regulated environment. Strong background in Go, Python, or TypeScript and AWS, CI/CD, and Terraform is required.

Qualifications

• Bachelor's degree in Computer Science or a related field
• 5–8 years of professional software engineering experience, including ownership of complex, production systems
• Strong proficiency in two or more of Go, Python, and TypeScript, including API design, integration patterns, and cloud-native development
• Experience with AWS, CI/CD, and infrastructure-as-code (Terraform); familiarity with serverless architectures
• Demonstrated ability to build secure, reliable systems and to raise the quality bar for a team through reviews and mentorship

Responsibilities

• Convert business intent and specifications into shipped features that meet functional, non-functional, and compliance requirements, increasingly using agentic and AI-assisted workflows.
• Write and review high-quality code when establishing patterns, building secure components, integrating services, or ensuring AI-produced code meets standards.
• Ensure both human-written and AI-assisted code is validated through automated testing and continuous verification to maintain safety and correctness.
• Optimize for outcomes: improve cycle time, reliability/SLOs, quality, and delivery economics; apply engineering effort where it provides the most leverage or safety.
• Identify ambiguity, dependencies, and operational risk early; harden prototypes into resilient production systems.
• Follow the bank's change-management discipline - ship changes to production through documented review and approval, respecting segregation of duties and auditability.

Skills

Go

Python

TypeScript

Education

Bachelor's degree in Computer Science or related field

Tools

AWS

Terraform

CI/CD

Serverless

Job description

Old National Bank is seeking an experienced Software Developer III to own delivery of complex features and small systems, applying AI-assisted workflows to ship secure, reliable software.

You will mentor peers, lead design and code reviews, and collaborate with product, security, and risk to shape acceptance criteria in a regulated environment. Strong background in Go, Python, or TypeScript and AWS, CI/CD, and Terraform is required.