Software Developer, Java & Platform Integration

📋 Job Overview

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.

🏢 About 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.

🎯 The Role

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.

✅ Key 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.

📌 Required Qualifications

• Strong Java development experience.
• 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.
• Experience integrating with Oracle databases.
• Experience with IBM MQ, JMS, or equivalent enterprise messaging technologies.
• Experience analyzing and refactoring legacy software systems.
• Strong troubleshooting and debugging skills.
• Java, Spring Boot, REST, gRPC, Enterprise Java, Distributed Systems, and Multithreading.
• IBM MQ, JMS, Enterprise Messaging, Service Integration, and API Development.
• Oracle Database, JDBC, SQL Development, and Data Integration.
• Docker, Container Development, Runtime Configuration, Logging, Health Monitoring, and Kubernetes Deployments.

⭐ Desirable Experience

• Working experience with C or C++.
• Experience supporting large-scale modernization initiatives.
• Experience migrating legacy applications into containerized architectures.
• Experience supporting CI/CD pipelines and DevOps practices.
• Experience with microservices architectures.
• Experience supporting classified DoD development environments.

🎁 Benefits

Comprehensive medical, dental and vision plans for you and your dependents

401(k) Retirement Plan with Employer Match, 529 College Savings Plan, Health Savings Account, Life Insurance, and Long-Term Disability

Competitive Compensation

Training and development programs

Major offices stocked with snacks and beverages

Collaborative and cool culture

Work-life balance and generous paid time off

🛂 Visa & Eligibility

Active (or active within 24months) Secret Clearance Minimum - Can support TS

DOD 8570 REQUIREMENT: IAT - Level II

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform these functions.

While performing the duties of this job, the employee is regularly required to:

• Remain in a stationary position for extended periods of time.
• Operate a computer, keyboard, and other office equipment using hands and fingers.
• Communicate effectively in person, over the phone, and through electronic means.
• Occasionally move about the office to access files, office equipment, and meeting spaces.
• Lift and/or move up to 15 pounds as needed.
• Maintain specific vision abilities, including close vision and the ability to adjust focus.

This position is performed within a secure, classified workspace. Employees must comply with all applicable security protocols and access control procedures, including restrictions on personal electronic devices and the handling of sensitive information.