Senior Application Developer

GovCIO LLC is hiring a Senior Application Developer with an active Secret clearance for a hybrid role in Fairfax, VA.

Responsibilities

• Implement multiple design patterns to support application development and modernization
• Integrate COTS products, use APIs, interact with data repositories, and manage system interfaces
• Build and maintain cross-domain solutions and support interoperability requirements
• Manage legacy code and/or develop new code using container technologies
• Develop and execute unit tests to verify code meets functional requirements
• Resolve integration issues, vulnerabilities, and functional defects across the software lifecycle
• Develop and maintain secure, scalable Java applications that support cross-domain data exchange in compliance with federal standards
• Integrate with enterprise services and APIs, ensuring secure communication across multiple classification levels
• Collaborate with system architects, cybersecurity teams, and government stakeholders to deliver mission-critical features
• Participate in Agile ceremonies, including sprint planning, backlog grooming, and technical reviews
• Write clean, well-documented code aligned with federal security and SDLC guidelines
• Refactor legacy systems into cloud-native, containerized Java applications as part of modernization efforts
• Conduct unit and integration testing and assist with automated deployment using CI/CD pipelines
• Troubleshoot technical issues across development, staging, and production environments
• Work with cross-functional teams to ensure data integrity and compliance with cross-domain solution (CDS) policies

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field
• 12+ years of experience with large integrated projects and 5+ years of professional Java development (or commensurate experience), preferably in federal or defense contracting environments
• Active Secret clearance with the ability to obtain and hold DEA suitability
• Strong knowledge of Java SE/EE, Spring Boot, and RESTful services
• Familiarity with cross-domain solution architectures, data labeling, and secure data transfer protocols
• Experience working in secure environments, preferably within the DOJ, with knowledge of FISMA, NIST, or RMF compliance
• Proficiency with Maven/Gradle, Git, and CI/CD tools including Jenkins and GitLab CI
• Exposure to Docker, Kubernetes, and cloud platforms including AWS GovCloud and Azure Government
• Understanding of secure coding practices and experience with static/dynamic code analysis tools
• Strong problem-solving skills and ability to work independently or within a cross-functional Agile team

Tech Stack

• Java, ColdFusion, JavaScript, C#
• Java SE, Java EE, Spring Boot, RESTful services
• COTS products, APIs
• Maven, Gradle, Git
• Jenkins, GitLab CI
• Docker, Kubernetes
• AWS GovCloud, Azure Government
• CI/CD, CI/CD pipelines, container technologies

Location: Fairfax, VA (hybrid)

Compensation: USD 135,000 - 165,000 per year

Experience: 5+ years

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