Senior Java Engineer - Hybrid (Chicago) - Enterprise Apps

Marmon Holdings, Inc.; Chicago, Northern (IL, KY); Hybrid; USD 130,000 - 140,000; Full time

Job summary

Marmon Holdings, Inc. is hiring a Senior Java Software Engineer in Chicago for a hybrid role, requiring a strong background in Java/Jakarta EE and full-stack development.

You will design, build, and modernize enterprise applications, collaborating with IT, business partners, and vendors to deliver reliable software solutions. The ideal candidate will have 5+ years of experience in software development, strong Java and SQL skills, and familiarity with cloud platforms and CI/CD processes.

Qualifications

• Strong Java/Jakarta EE development experience with enterprise applications.
• Proficiency in JavaScript and SQL for full-stack work and relational databases.
• Experience in Agile delivery environments and cross-functional collaboration.
• Knowledge of secure coding practices and API/integration patterns.
• Experience with cloud platforms and application servers is a plus.

Responsibilities

• Design, build, modernize, and support enterprise Java applications and integrations.
• Ensure reliable delivery with CI/CD, automated tests, and proper deployment practices.
• Troubleshoot and improve production systems; maintain performance and scalability.
• Refactor legacy code to modern standards and guide continuous improvement.
• Collaborate with stakeholders and teammates; communicate risks and progress clearly.
• Mentor teammates and participate in code reviews and design discussions.

Skills

Java/Jakarta EE

JavaScript

SQL

Agile/Scrum

API design

Cloud Azure

Open Liberty

Security best practices

Education

Bachelor’s degree in computer science or related field

Tools

Azure

Open Liberty

Job description

Marmon Holdings, Inc. is hiring a Senior Java Software Engineer in Chicago for a hybrid role, requiring a strong background in Java/Jakarta EE and full-stack development.

You will design, build, and modernize enterprise applications, collaborating with IT, business partners, and vendors to deliver reliable software solutions. The ideal candidate will have 5+ years of experience in software development, strong Java and SQL skills, and familiarity with cloud platforms and CI/CD processes.