Java Software Developer – Mission-Critical Systems

LCS Defense; Aberdeen (MD); On-site; USD 90,000 - 120,000; Full time

Job summary

LCS Defense in Maryland is seeking a Software Developer to design, implement, and maintain Java applications for mission‑critical systems, participating in all phases from concept and design to deployment.

You will apply OO design, Spring Framework, and CI tools, collaborate with architects, and ensure secure, scalable solutions. A BS in CS/Engineering and 3–5 years of hands‑on experience are required, with the ability to obtain a SCI clearance.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 3-5 years of proven hands-on software development experience.
• Solid object-oriented analysis and design skills using common design patterns.
• Profound insight of Java and JRE.
• Excellent knowledge of relational databases.
• Experience with the Spring Framework (e.g., Spring Boot, Spring MVC, Spring Data).
• Experience with build tools for continuous integration.
• Familiarity with version control systems.
• Minimum Secret Clearance, with the ability to obtain a SCI.

Responsibilities

• Design, implement, and maintain Java applications for mission‑critical systems.
• Contribute to all phases of the development lifecycle, from concept and design to testing and deployment.
• Write well‑designed, testable, and efficient code in accordance with software development best practices.
• Support continuous improvement by investigating alternatives and new technologies and presenting them for architectural review.
• Collaborate with other software developers, and software architects to plan, design, develop, and test web and desktop applications.
• Prepare and produce releases of software components.
• Troubleshoot, debug, and upgrade existing systems.

Skills

Java

Spring Framework

Relational databases

CI/CD tools

Version control

Object-oriented design

Security clearance

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Tools

Docker

Kubernetes

AWS

Azure

GCP

Job description

LCS Defense in Maryland is seeking a Software Developer to design, implement, and maintain Java applications for mission‑critical systems, participating in all phases from concept and design to deployment.

You will apply OO design, Spring Framework, and CI tools, collaborate with architects, and ensure secure, scalable solutions. A BS in CS/Engineering and 3–5 years of hands‑on experience are required, with the ability to obtain a SCI clearance.