Freelance Java Swing Developer Jobs in Washington

You'll contribute across the full SDLC, shaping user stories, writing clean and testable code, automating quality with BDD and CI/CD, and integrating/deploying resilient features into modern environments. Opportunities span server‑side services and APIs, rich UI experiences, embedded and specialized device development, and cryptographic/secure frameworks. Deep, hands‑on Java experience is essential.

You'll collaborate with product, UX, and platform engineers to make smart trade‑offs, champion reuse, and integrate best‑in‑class tools to accelerate delivery. If you love solving complex problems, care about craftsmanship, and want your work to matter, this team will give you the autonomy and support to do the best work of your career. All Levels Considered - Mid‑Level and Senior SWE Strongly Preferred Application Process: Interested candidates should submit their resume detailing their qualifications and experience.

Security Clearance Requirements: This position requires all candidates to be U.S. Citizens and possess an active TS/SCI Security Clearance with a Polygraph. Responsibilities * Perform full‑lifecycle software development activities within an Agile team environment.

Participate in daily scrums, sprint planning, PI planning, and Agile ceremonies. Analyze complex system requirements and create designs using industry‑standard tools and formal methodologies. * Develop code that is efficient, maintainable, reliable, fault‑tolerant, and reusable.

Promote cross‑team collaboration and reduce maintenance overhead through shared functions and reusable components. Develop, tune, and document automation scripts; deploy them into test and production environments. * Implement robust test strategies following BDD principles and leverage DevOps automation and commercial test tools.

Contribute to both server‑side logic and client‑side UI development depending on project needs. Core Technologies Used: Languages: Java (required), Python, C/C++, Groovy, SQL, JavaScript Frameworks: Spring (Boot & Data), JEE (JPA, EJB, JTA), Jackson, Jersey, Swing, JavaFX UI/Web: Angular, JavaScript, CSS, HTML, JSON, XML, XSLT Tools/IDEs: Eclipse, VS Code, Visual Studio, WebStorm, Rhapsody Databases: Oracle, PostgreSQL, MongoDB, SQL Server DevOps & Testing: BDD, DevOps automation tools, commercial test automation tools Operating Systems: Windows (required), Linux (preferred) Qualifications Required Skills & Experience: Demonstrated, in‑depth Java experience is required. Experience or familiarity with multiple Java frameworks: Spring Boot & Spring Data JEE (JPA, EJB, JTA, Servlet) Jackson, Jersey, Swing, JavaFX Experience with multiple languages: JavaScript, Python, C/C++, Groovy, SQL.

Experience using IDEs such as Eclipse, Visual Studio Code, Visual Studio, WebStorm, or Rhapsody. Experience with databases (Oracle, PostgreSQL, MongoDB, SQL Server). * Experience in Web UI development (AngularJS, JSON, HTML, XML, XSLT).

Experience with software configuration management and source control tools. Experience developing on Windows operating systems. * Documented professional experience with web services.

Strong understanding of software engineering principles and best practices. Ability to communicate effectively and prioritize tasks independently. * Ability to work both independently and as part of a fast‑moving team.

Preferred Qualifications: Bachelor's degree in Computer Science or related field and 14 years experience. Experience with: JEE technologies (EJB, JPA, JTA, JAX‑B, JAX‑RS, JAX‑WS) Application servers (Tomcat, WebLogic, JBoss) Spring framework and scripting languages XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML Containers: Docker, Podman, Kubernetes, OpenShift JavaScript frameworks: AngularJS, Bootstrap, jQuery Testing & mocking: JUnit, Mockito, Jasmine, Karma, Cucumber, UFT, Selenium, FITNesse Build tools: Maven, CMake, RPM, Jenkins, Nexus Linux development Technologies supporting cryptographic systems (digital signatures, ASN.1, XML canonicalization) Experience with requirements decomposition, trade‑off analysis, secure systems engineering. Experience with Agile practices including Pair Programming, TDD, ATDD, BDD.

Experience with Scrum or SAFe; SAFe certification is a plus. About WOOD Fringe Benefits: Health Insurance: Comprehensive medical, dental, and vision plans. * Retirement Plan: 401(k) with company match.

Paid Time Off: Generous PTO policy including vacation, sick leave, and holidays. Professional Development: Opportunities for training, certifications, and career advancement. * Work-Life Balance: Flexible work schedules and remote work options.

Wellness Programs: Employee assistance programs, wellness initiatives, and gym membership discounts. Why Join Us? Career Growth: Take advantage of professional development opportunities and career advancement.

As a vital part of impactful projects, you will have the chance to drive innovation and shape the future of government systems engineering. * Supportive Environment: Work in a collaborative and flexible environment that values work-life balance. Join a team of top-tier professionals and engage in dynamic, cross-functional collaboration.

Your strategic mindset and proactive approach will be highly valued and supported. * Competitive Compensation: Enjoy a competitive salary and comprehensive benefits package. We recognize and reward your expertise and dedication to excellence.

WOOD is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.