Java Developer: Production Support & App Development

The AES Group; Decatur (IL); On-site; USD 90,000 - 120,000; Full time

Job summary

The AES Group in Decatur, IL seeks a Java Developer for Application Support & Development. The role centers on supporting production systems, troubleshooting, and implementing enhancements across legacy and modern applications.

Ideal candidates analyze code and database interactions with SQL/ Oracle, and participate in a 24/7/365 on-call rotation approximately every four weeks, balancing support and development tasks.

Qualifications

• 3+ years of hands-on Java development experience.
• Strong experience with Java 8, preferably in a production environment.
• Full-stack Java development experience.
• Hands-on experience with Spring MVC.
• Strong SQL skills.
• Hands-on Oracle database experience.
• Production/application support experience.
• Experience troubleshooting legacy applications.
• Experience working with application/database interactions.
• Azure DevOps
• GitHub

Responsibilities

• Provide production support for business-critical applications.
• Troubleshoot and resolve application issues across legacy and existing systems.
• Analyze application code, business logic, and database interactions to identify root causes.
• Develop application fixes, enhancements, and improvements resulting from support activities.
• Work closely with business users to understand reported issues and determine appropriate solutions.
• Investigate whether issues originate from application logic, database behavior, infrastructure, or other systems.
• Support and maintain legacy applications with limited documentation.
• Independently research and understand unfamiliar code and application functionality.
• Collaborate with technical teams and elevate issues when appropriate.
• Participate in application vulnerability remediation and secure coding activities.
• Support applications throughout their production lifecycle.
• Participate in a 24/7/365 on-call rotation approximately once every four weeks, Monday-to-Monday, including nights and weekends.

Skills

Java development

Java 8

Full-stack Java

Spring MVC

SQL

Oracle

Production support

Legacy applications

Azure DevOps

GitHub

Job description

The AES Group in Decatur, IL seeks a Java Developer for Application Support & Development. The role centers on supporting production systems, troubleshooting, and implementing enhancements across legacy and modern applications.

Ideal candidates analyze code and database interactions with SQL/ Oracle, and participate in a 24/7/365 on-call rotation approximately every four weeks, balancing support and development tasks.