Java Developer Freelance jobs in Frederick

Ashburn, United States | Posted on 10/08/2025 Serve as an Agile Scrum team member providing software development and maintenance for the delivery of releasable software in short sprint cycles. Responsible for activities associated with delivery of software solutions associated with customer-defined

Developer specialized in migrating Java/J2EE applications to the cloud. You will take ownership for modernizing Java/J2EE applications and migrating them to AWS by re-architecting them to leverage cloud-native features and improve scalability, performance, and agility, while minimizing disruption to

Maxiom Technology

Join to apply for the Senior Java Developer role at Maxiom Technology . We are looking for a Senior Java Developer to manage the software development life cycle, from planning and prioritizing to testing and release, and help with the migration of a COBOL app to Java. Senior Java Developer responsib

Overview HSS SOFT is an Equal Employment Opportunity Employer Job Description Greetings, My name is Raju. We do have a job opening for the position Core Java developer@ VA. Position with one of our clients. Please go through the job description mentioned below and if you find it interesting then sen

A technology solutions provider in Virginia is looking for an Application Developer to enhance software solutions and tackle challenges in their mission-critical projects. Candidates should have a Top Secret Clearance and experience in Java development, XML, and COTS/FOSS integration. The position o

A leading tech company in Virginia seeks a Full Stack Developer to join their Ashburn team in a hybrid role. The ideal candidate will have proven expertise in Java development, microservices architecture, and CI/CD pipeline management. Responsibilities include leading the development of analytics ap

ClearanceJobs

Entry-Level Back-End Java/JEE Developer We are currently seeking a motivated and energetic entry-level back-end Java/JEE (full stack) developer to join our remote team in the Ashburn, VA area to begin an exciting and challenging career. The Java developer will participate in the system architecture

Ready to Ignite your career and work alongside some of the most innovative and brightest professionals in innovative technology? Join us and unleash your potential working in an Agile environment while modernizing enterprise systems and applications needed to support the men and women charged with s

A government solutions provider is seeking a Full Stack Java Developer in Ashburn, VA. The role requires strong experience with Java, Spring Boot, and Angular, as well as a collaborative approach to software development in an agile environment. Candidates must possess a B.S. degree in Computer Scien

Snowrelic Inc

A leading healthcare technology firm in Rockville is seeking an experienced Java Developer to design and maintain HL7 FHIR APIs for data exchange solutions. The role involves working collaboratively in a team setting, focusing on high-performance interoperability in public health. The ideal candidat

Probity Inc.

A technology services provider in Reston is seeking a Full Stack Developer with extensive experience in Java and cloud deployments. The ideal candidate will assist in maintaining legacy applications and transitioning to a new system architecture. Security clearance required: ACTIVE Top Secret/SCI wi

A leading technology firm is seeking a Full Stack Java Developer to join their team in Ashburn, Virginia. This position offers a chance to work with agile methodologies supporting critical government initiatives. The ideal candidate possesses extensive experience in Java, Spring Boot, and Angular, a

Lead Full Stack Java Developer – Active Clearance | Hybrid Ashburn, United States | Posted on 06/11/2025 Clearance Requirement Active DoD TS or DHS Full BI IAT/IAM Requirement N/A Job Description We are seeking a highly experienced Lead Full Stack Java Developer to serve as a technical team lead for

A management consulting firm is looking for an Applications Developer in Ashburn, VA, requiring onsite support twice a week. The role involves delivering IT services and solutions, utilizing cloud technologies, and working collaboratively in an agile environment. Candidates should have significant e

Node.Digital LLC

Overview Location: Ashburn, VA (Onsite). Preferred US Citizen. Technology Stack: SpringBoot, ReactJS, REST API, AWS, Oracle, MySQL, WebLogic, Tomcat. Education: Bachelor's degree. Qualifications Effective communication skills for team collaboration Familiarity with Agile methodologies Committed to c

Omni Inclusive

Full Stack Java Developer Key Skills; Java/J2EE. Spring boot Microservices, Angular, AWS, Design Patterns Senior Technical Lead with Java, Spring Boot, Amazon Web Services, Docker Job Summary The Senior Technical Lead will be responsible for leading technical teams in the development, implementation

SAIC

Description SAIC is currently seeking a motivated, career and customer-oriented Java/JEE Developer (Entry Level) to join our team to begin an exciting and challenging career in Ashburn, VA. This position is 100% on-site for the first year of employment. Job Responsibilities Design, implement, and un

Java, Scala, Python Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a versatile and highly skilled Java, Scala, Python Developer to join our team and contribute to the development of innovative and s

A leading technology firm is seeking a Lead Full Stack Java Developer to lead a team in designing secure, scalable applications for a critical government program. This hybrid position requires you to split your time between remote work and onsite duties in Ashburn. Candidates must possess 12+ years

TechnoGen, Inc. (formerly known as SYSCOM Technologies) is a Proven Leader in providing full IT Services, Software Development and Solutions for 12+ years.TechnoGen is a Small & Woman Owned Minority Business with GSA Advantage Certification. We have offices in VA,MD & Offshore development centers in