Software Developer, Java & Platform Integration
Listed on 2026-10-18
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Software Development
Backend Developer, Java Developer, Software Engineer
Who is Trace3
?
Trace3 is a leading Transformative IT Authority, providing unique technology solutions and consulting services to our clients. Equipped with elite engineering and dynamic innovation, we empower IT executives and their organizations to achieve competitive advantage through a process of Integrate, Automate, Innovate.
Our culture at Trace3 embodies the spirit of a startup with the advantage of a scalable business. Employees can grow their career and have fun while doing it!
Trace3 is headquartered in Irvine, California. We employ more than 1,200 people all over the United States. Our major field office locations include Denver, Indianapolis, Grand Rapids, Lexington, Los Angeles, Louisville, Texas, San Francisco.
Ready to discover the possibilities that live in technology?
Come Join Us!
Street-Smart-Thriving in Dynamic Times
We are flexible and resilient in a fast-changing environment. We continuously innovate and drive constructive change while keeping a focus on the “big picture.” We exercise sound business judgment in making high-quality decisions in a timely and cost-effective manner. We are highly creative and can dig deep within ourselves to find positive solutions to different problems.
Juice
-The “Stuff” it takes to be a Needle Mover
We get things done and drive results. We lead without a title, empowering others through a can-do attitude. We look forward to the goal, mentally mapping outevery checkpoint on the pathway to success, and visualizing what the final destination looks and feels like.
Teamwork
-Humble, Hungry and Smart
We are humble individuals who understand how our job impacts the company's mission. We treat others with respect, admit mistakes, give credit where it’s due and demonstrate transparency. We “bring the weather” by exhibiting positive leadership and solution-focused thinking. We hug people in their trials, struggles, and failures – not just their success. We appreciate the individuality of the people around us.
Note: We have multiple openings available across various experience levels. The job description below is a general representation of the role. Specific responsibilities, requirements, and scope may vary by position level, business needs, and individual experience. Candidates will be evaluated and considered for the level most closely aligned with their qualifications.
JOB SUMMARY:
We are seeking a Software Developer to support the modernization, enhancement, integration, and sustainment of mission-critical applications operating within classified DoD environments.
This position 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, including design, implementation, testing, integration, deployment, documentation, and demonstration activities.
The ideal candidate possesses strong Java development experience across both legacy and modern application architectures and is comfortable working with enterprise messaging systems, Oracle databases, containerized deployments, and Kubernetes-based environments.
SUMMARY OF
ESSENTIAL JOB FUNCTIONS:
- 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.
REQUIRED
SKILLS AND EXPERIENCE:
- Experience with Java EE/J2EE, EJB, JDBC, JNDI, JMS, RMI, and multithreaded applications.
- Experience with Web Logic, Web Sphere, JBoss, or similar application servers.
- Experience developing REST APIs, gRPC services, and Spring Boot applications.
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