Software Engineer, Level 3

Worky; Columbia (MD); On-site; USD 90,000 - 135,000; Full time

Benefits offered by this job

Competitive compensation

Generous benefits

Work-life balance

Job summary

Independent Software is seeking a Software Engineer Level 3 to design, develop, test, integrate, and maintain Java-based solutions in Linux environments. You will build RESTful services, handle JSON/XML data, and use Maven for builds. Collaboration across engineering teams and participation in code reviews are essential.

The role emphasizes solving complex issues and contributing to modernization while following modern deployment practices. TS SCI clearance is required for this position.

Qualifications

• Strong Java development experience in Linux environments.
• Experience with JAX-RS and RESTful services.
• Experience handling JSON and XML data.
• Maven-based Java project builds and dependency management.
• Experience with Eclipse or similar IDEs.
• Git and GitLab for source control and collaboration.
• Strong debugging and problem-solving skills.
• Ability to work independently and in a team.

Responsibilities

• Design, develop, test, and maintain Java-based applications and services in Linux environments.
• Develop and integrate RESTful APIs using JAX-RS.
• Process and exchange JSON and XML data.
• Build and manage Java applications using Maven.
• Use GitLab for source control and collaboration.
• Troubleshoot and resolve complex software and integration issues.
• Participate in software design, code reviews, testing, and documentation.
• Support application modernization and deployment activities.
• Collaborate with engineering teams to develop reliable software solutions.

Skills

Java development

Linux environments

RESTful services

JSON & XML

Maven

Eclipse IDE

Git/GitLab

Debugging

Team collaboration

Education

Bachelor’s degree in Computer Science or related field

Twenty-four (24) years of software engineering experience substituting for degree

Tools

Docker

Kubernetes

OpenAPI/Swagger

Angular

VS Code

Confluence

Jira

Satellite RF

Job description

What You Will Do:

At Independent Software, as a Software Engineer Level 3, you will design, develop, test, integrate, and maintain software solutions supporting mission-critical systems in Linux-based environments. You will develop Java applications and services, work with RESTful interfaces and structured data, and support modern software development and deployment practices.

You will collaborate with engineering teams throughout the software development lifecycle while contributing to application development, integration, troubleshooting, testing, and modernization efforts.

Key Responsibilities:

• Design, develop, test, and maintain Java-based applications and services in Linux environments
• Develop and integrate RESTful services and APIs using JAX-RS and related technologies
• Develop solutions that process and exchange JSON and XML data
• Build and manage Java applications using Maven
• Use Git and GitLab for source control, collaboration, and software development workflows
• Troubleshoot, debug, and resolve complex software and integration issues
• Participate in software design, code reviews, testing, integration, and documentation
• Support application modernization and deployment activities
• Collaborate with engineering and technical teams to develop reliable and maintainable software solutions

Required Skills and Qualifications:

• Strong professional software engineering and Java development experience
• Experience developing and supporting software in Linux environments
• Experience with JAX-RS and RESTful services
• Experience working with JSON and XML
• Experience with Maven for Java project builds and dependency management
• Experience with Eclipse or similar integrated development environments
• Experience using Git and GitLab for source control and collaborative development
• Strong software troubleshooting, debugging, and problem-solving skills
• Ability to work independently and collaboratively within a technical team

Desired Skills:

• Apache Karaf/OSGi
• JUnit and automated software testing
• Docker and containerized application development
• Kubernetes and Helm
• OpenAPI/Swagger
• Angular or other web development experience
• Visual Studio Code (VS Code)
• Satellite communications and/or RF experience
• Confluence and Jira
• Experience with Generative AI technologies, tools, or applications

Education and Experience:

Candidates must meet one of the following:

• Bachelor’s degree in Computer Science or a related discipline from an accredited college or university plus twenty (20) years of Software Engineering experience supporting programs and contracts of similar scope, type, and complexity; OR
• Twenty-four (24) years of relevant Software Engineering experience supporting projects with similar software processes may be substituted for the Bachelor’s degree.Eighteen (18) years of relevant Software Engineering experience supporting projects with similar software processes may be substituted for the Bachelor’s degree.

Clearance Requirement:

• Must possess an active TS SCI with appropriate Polygraph to be considered for this role

Why Choose Independent Software:

At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.

When you join us, you will:

• Support critical national security missions that matter
• Be part of a close-knit, employee-first culture where your voice is heard
• Expand your skills through ongoing training, mentorship, and career development
• Enjoy competitive compensation, generous benefits, and work-life balance

We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.