Application Developer Lead

Overview

Old National Bank has been serving clients and communities since 1834. With over $70 billion in total assets, we are a regional powerhouse deeply rooted in the communities we serve. We are committed to social responsibility and investing in our communities through volunteering and charitable giving. We continually seek highly motivated and talented individuals as our people are critical to our success.

In return, we offer competitive compensation with our salary and incentive program, in addition to medical, dental, and vision insurance. 401K, continuing education opportunities and an employee assistance program are also included in our benefit suite. Old National also offers a variety of Impact Network Groups led by team members who are passionate about driving engagement, creating awareness of diverse backgrounds and experiences, and building inclusion across the organization.

We offer a unique opportunity to join a growing, community and client-focused company that is firmly rooted in its core values.

The Application Development Lead - Integration leads delivery of secure, reliable integration services, primarily in Python on AWS. The role combines hands-on engineering leadership with integration architecture, platform/operational excellence, and stakeholder alignment to ensure services are discoverable, easy to consume, and production-ready.

Salary Range

The annual salary range for this position is $98,400 - $199,000. The base salary indicated for this position reflects the compensation range applicable to all levels of the role across the United States. Actual salary offers within this range may vary based on a number of factors, including the specific responsibilities of the position, the candidate s relevant skills and professional experience, educational qualifications, and geographic location.

• Platform and Service Engineering Excellence
  • Own intent-to-outcome delivery by translating requirements and prototypes into production features that meet platform, reliability, and operational standards.
  • Deliver high-quality, production-ready services (primarily in Python) using strong engineering discipline (design/code reviews, testing, maintainable patterns) while coaching the team to continuously raise the technical bar.
  • Platform engineering to design and operate AWS cloud-native runtimes using Git Ops CI/CD and Terraform, including observability (logs, metrics, traces) and resilient deployment patterns to ensure reliable, cost-effective operations at scale.
• Integration Architecture, Security and Operational Readiness
  • Define and govern integration architecture by establishing patterns, standards, domain boundaries, and interface contracts to ensure consistency, interoperability (including partners/vendors), and long-term maintainability.
  • Enable service discovery and adoption through a service catalog, consumer-ready documentation, and self-service onboarding/registration.
  • Embed security, compliance, and data protection controls into design and delivery in partnership with risk and security, reducing operational and regulatory risk.
  • Proactively surface ambiguity, dependencies, and operational risks, and drive mitigations that enable smooth releases and stable production operations.
• Cross Functional Leadership & Decision-Making
  • Provide cross-functional leadership by making timely decisions, driving alignment, and facilitating productive discussions across engineering, architecture, security, and business teams.
  • Clearly communicate decisions, risks, tradeoffs, and delivery readiness to both technical teams and senior business/leadership stakeholders.

• 7+ years of progressively responsible, hands-on software engineering experience delivering production systems.
• Bachelor s degree in Computer Science, Information Systems, Engineering, or equivalent practical experience.
• Strong Python proficiency building and operating production services, including testing, code quality, and performance considerations.
• Experience designing and delivering integrations across patterns (e.g., synchronous service-to-service, event-driven, batch/file-based, messaging/queues) with clear interface and data contracts.
• AWS experience, including cloud-native approaches (serverless preferred) and operational best practices.
• Infrastructure-as-code and delivery automation experience, including Terraform and Git Ops/CI/CD practices.
• Ability to assess both human-written and AI-generated code for correctness, safety/security, and maintainability.
• Demonstrated technical leadership: leading through influence, driving alignment, mentoring/coaching engineers, and guiding design/code reviews.
• Excellent communication skills with both technical and non-technical stakeholders, including the ability to explain tradeoffs, risks, and decisions clearly.

Equal Opportunity

Old National Bank is proud to be an equal opportunity employer focused on fostering an inclusive workplace and committed to…