Sr. Full Stack Java Developer (Hybrid)

Job Description

Job Description

Sr. Full Stack Developer – Java

Ashburn, VA (Hybrid – 1 day onsite / 4 days remote)
Must be a U.S. Citizen and currently reside in the Metro Washington, D.C. area

We have an immediate full-time opening for an experienced Sr. Full Stack Java Developer to join an Agile Scrum team supporting a federal program. This role focuses on delivering releasable software in short sprint cycles while collaborating closely with developers, stakeholders, and end users.

Key Responsibilities

• Design, develop, and implement custom software and database applications across legacy and modernized systems

• Collaborate within an Agile Scrum team to deliver high-quality software in short sprint cycles

• Participate in sprint planning, backlog refinement, testing, demos, retrospectives, and releases

• Contribute to architectural and engineering standards refinement

• Analyze complex technical challenges and develop innovative, scalable solutions

• Ensure product quality, timeliness, and performance standards

• Mentor junior developers and support team growth

• Support release planning and conceptual system design

Required Qualifications

• U.S. Citizen able to pass a CBP background investigation:

  • 3-year felony conviction check

  • 1-year illegal drug use check

  • 1-year misconduct check (e.g., theft or fraud)

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or related field (or equivalent experience)

• 7+ years of hands-on software design, development, and implementation experience in a Windows environment

Technical Expertise

• Java 8+ (strong OOP, data structures, algorithms)

• Spring Boot, Spring MVC, Spring Security (DI & AOP experience)

• RESTful API design (versioning, standards, documentation)

• Angular (deep expertise), TypeScript, JavaScript, HTML, CSS

• State management and UI performance optimization

• Testing frameworks (JUnit, TestNG, Mockito)

• ORM frameworks (Hibernate or similar)

• SQL / PL-SQL (Oracle, MySQL, SQL Server)

• Object-Oriented Design & Development (OODD)

• Service-Oriented Architecture (SOA)

• Git-based source control and concurrent workflows

• SDLC best practices (CM, QA, release management)

Desired / Nice to Have

• Technical certifications (OCAJP, OCPJP, OCE/OCM, CSM)

• DoD 8570 certification

• Experience with React, VMware, ETL tools, ESB, message queuing

• Application security and automated testing experience

• UML and enterprise modeling tools (e.g., Sparx EA)

• Jira, VersionOne

• Postgres or Aurora