Senior Mainframe & API Engineer — Secure, Scalable

MainframeMaster; Hopkins (MN); On-site; USD 110,000 - 140,000; Full time

Job summary

U.S. Bank is seeking a Software Engineer to lead system development for the Hogan API stack, leveraging ISTIO Gateway, Kubernetes, Spring Boot, and Java.

The role emphasizes secure, scalable services, PCI/PAN compliance awareness, and collaboration with Hogan ODS and PAS to deliver front-end APIs. The engineer will own software artifacts, adhere to agile DevOps practices, and contribute to monitoring and incident response.

Qualifications

• Production-ready code with clear testability and edge-case handling.
• Designs and documents APIs aligned with the system architecture and standards.
• Owns incidents within their domain and participates in incident resolution.
• Applies security-conscious design and understands monitoring and logging practices.

Responsibilities

• Consistently writes production-ready code that is easily testable and understandable.
• Designs APIs with regard to architecture, scalability, and best practices.
• Takes ownership of incidents and assists in resolution.
• Ensures appropriate data structures and efficient algorithms are used.
• Participates in Scrum and supports continuous integration and delivery.

Skills

Java

Spring Boot

Kubernetes

Istio Gateway

PostgreSQL

Datadog

DevOps

Agile

Security

Tools

Kubernetes

ISTIO Gateway

PostgreSQL

Datadog

Job description

U.S. Bank is seeking a Software Engineer to lead system development for the Hogan API stack, leveraging ISTIO Gateway, Kubernetes, Spring Boot, and Java.

The role emphasizes secure, scalable services, PCI/PAN compliance awareness, and collaboration with Hogan ODS and PAS to deliver front-end APIs. The engineer will own software artifacts, adhere to agile DevOps practices, and contribute to monitoring and incident response.