Java Platform Integration Engineer — Modernize DoD Apps

Trace3; Colorado Springs (CO); On-site; USD 110,000 - 165,000; Full time

Job summary

Trace3 seeks a Software Developer to support modernization, enhancement, integration, and sustainment of mission-critical applications operating within classified DoD environments.

This role focuses on analyzing, modernizing, and refactoring large legacy Java applications while supporting the transition toward modern containerized architectures. The successful candidate will work across the full software development lifecycle.

Qualifications

• Experience with Java EE/J2EE, EJB, JDBC, JNDI, JMS, RMI, and multithreaded applications.
• Experience with WebLogic, WebSphere, JBoss, or similar application servers.
• Experience developing REST APIs, gRPC services, and Spring Boot applications.

Responsibilities

• Analyze, maintain, enhance, and modernize existing Java-based applications and services.
• Refactor legacy software systems into maintainable, scalable, and supportable architectures.
• Analyze large codebases, identify dependencies, assess technical debt, and develop modernization recommendations.
• Design, develop, test, debug, and deploy software solutions supporting mission-critical defense systems.
• Develop RESTful and gRPC-based services and APIs.
• Develop and maintain messaging and integration solutions using JMS and enterprise messaging platforms.
• Integrate applications with Oracle databases and backend data services.
• Develop containerized applications using Docker and support deployment into Kubernetes environments.
• Create deployment artifacts, runtime configurations, logging configurations, and health monitoring capabilities.
• Independently own technical deliverables from requirements through deployment and demonstration.

Skills

Java EE/J2EE

EJB

JMS

REST APIs

gRPC

Spring Boot

Tools

WebLogic

WebSphere

JBoss

Job description

Trace3 seeks a Software Developer to support modernization, enhancement, integration, and sustainment of mission-critical applications operating within classified DoD environments.

This role focuses on analyzing, modernizing, and refactoring large legacy Java applications while supporting the transition toward modern containerized architectures. The successful candidate will work across the full software development lifecycle.