Full Stack Engineer (Java, Mulesoft, Cobol)

MainframeMaster; Northern (KY); Hybrid; USD 110,000 - 170,000; Full time

Job summary

Mutual of Omaha is seeking a Full Stack Engineer in its Life area to modernize critical applications. You will work on backend-heavy systems, focusing on scalable, high-performance code, and robust integrations using Java, Mulesoft, and Spring Boot.

This role emphasizes API development, automated testing, and cloud-first, containerized deployments to keep systems reliable and future-ready. Experience with Cobol modernization is a plus and collaboration across teams is essential.

Qualifications

• Strong backend development experience in Java and related tech.
• Experience with Cobol modernization is a plus.
• Familiarity with API design and integration.
• Understanding of cloud-first development and containers.

Responsibilities

• Support existing Cobol administration systems while modernizing to newer tech.
• Design, develop, test, and maintain backend-heavy full-stack apps using Java, Mulesoft, Spring Boot.
• Build and enhance APIs for system integration with high availability.
• Apply clean code practices and use version control with automated tests.
• Drive modernization initiatives including cloud and containerized solutions.

Skills

Java

MuleSoft

Spring Boot

APIs

Cobol

Cloud

Containerization

Git

Tools

Git

Job description

Join Mutual of Omaha as a Full Stack Engineer in our Life area. In this role, you'll work on critical applications, driving technical excellence through innovative solutions, robust integrations, and modernized systems. We're seeking an experienced engineer with strong backend skills, a passion for clean, high-performance code, and the ability to ensure systems are scalable and reliable.

WHAT YOU'LL DO:

• Support existing Cobol administration systems where our policy data lives. Understanding this language will help in modernizing systems to a more modern technology
• Design, develop, test, and maintain backend-heavy full-stack applications and systems using Java, Mulesoft, Spring Boot, and modern engineering patterns.
• Build and enhance APIs for seamless system integration, ensuring high availability and performance through effective load testing, multi-threading, and memory management techniques.
• Apply dynamic coding practices, ensure clean code quality, and leverage version control and change management for consistency and reliability. Creating and working with automated tests.
• Drive modernization initiatives, including cloud-first development and containerized solutions, ensuring scalable, flexible, and future-ready systems.