Application Developer Lead

Old National Bank•Saint Paul, MN

About The Position

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. As a trusted partner, we thrive on helping our clients achieve their goals and dreams, and 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.

Requirements

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 GitOps/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.

Responsibilities

Leads delivery of secure, reliable integration services, primarily in Python on AWS.
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.
Owns intent-to-outcome delivery by translating requirements and prototypes into production features that meet platform, reliability, and operational standards.
Delivers 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 GitOps CI/CD and Terraform, including observability (logs, metrics, traces) and resilient deployment patterns to ensure reliable, cost-effective operations at scale.
Defines and governs integration architecture by establishing patterns, standards, domain boundaries, and interface contracts to ensure consistency, interoperability (including partners/vendors), and long-term maintainability.
Enables service discovery and adoption through a service catalog, consumer-ready documentation, and self-service onboarding/registration.
Embeds security, compliance, and data protection controls into design and delivery in partnership with risk and security, reducing operational and regulatory risk.
Proactively surfaces ambiguity, dependencies, and operational risks, and drives mitigations that enable smooth releases and stable production operations.
Provides cross-functional leadership by making timely decisions, driving alignment, and facilitating productive discussions across engineering, architecture, security, and business teams.
Clearly communicates decisions, risks, tradeoffs, and delivery readiness to both technical teams and senior business/leadership stakeholders.