Java Developer Freelance jobs in Frederick

Jr. Java Developer: At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers since 1988. B&A

Description Sr. Java Developer At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers since 19

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Software Engineering Job Qualifications: Skills: Angular, Java Software Development, Spring Framework Certifications: None

Application Developer (Java), #1030 Clearance: US Citizenship Required. Ability to obtain the required government security clearance (CBP Public Trust Final). This is a hybrid position with 1-2 days per week onsite in Ashburn, Virginia. Dev Technology Group is hiring an Application Developer to supp

Application Developer (Java), #1030 Clearance: US Citizenship Required. Ability to obtain the required government security clearance (CBP Public Trust Final). This is a hybrid position with 1-2 days per week onsite in Ashburn, Virginia. Dev Technology Group is hiring an Application Developer to supp

Senior Application Developer (Java), #1031 Clearance: US Citizenship Required, Ability to obtain the required government security clearance (CBP Public Trust Final). This is a hybrid position with 1-2 days per week onsite in Ashburn, Virginia. Dev Technology Group is hiring a Senior Application Deve

Senior Application Developer (Java), #1031 Clearance: US Citizenship Required, Ability to obtain the required government security clearance (CBP Public Trust Final). This is a hybrid position with 1-2 days per week onsite in Ashburn, Virginia. Dev Technology Group is hiring a Senior Application Deve

General Dynamics

$107,744 - $115,000 /year

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Software Engineering Job Qualifications: Skills: Java, Spring Boot, Web Services Certifications: None Experience: 5 + years

Description 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 ch

General Dynamics

$70,658 - $80,500 /year

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Software Engineering Job Qualifications: Skills: Angular, Java Software Development, Spring Framework Certifications: None

Job ID: 2611006 Location: Ashburn, VA, US Date Posted: 2026-04-06 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA\_ON\_SITE Description SAIC

Title: Full Stack Java Developer (Digital Rights Management) Location: Leesburg, VA Length: Permanent Position Position Overview: IT Depot is a seeking a Full Stack Developer to develop, maintain, and enhance Digital Rights Management Operations (DRMO) solutions within an ICAM/UC environment. The id

Senior Full Stack Java Developer Duration : Long term Location : Herndon VA ( Hybrid ) W2 position Client : Federal As a key member of the team, the Sr FSD will be responsible for the entire software development lifecycle of assigned software components, from requirements gathering and development t

Corp-to-Corp contract. Since it is federal government contract, requires US citizenship. Lives within commute distance only(VA, DC, MD). Senior Java developer, currently work on Spring Boot microservice. Knows well about Angular UI Pay: $60.00 - $80.00 per hour Application Question(s) This is federa

Axiom Technologies

Requirements Must have: - Active TS/SCI Security Clearance required - Proficiency in Golang with experience in backend and distributed system development - Familiarity with message queues and data streaming technologies such as Kafka, NATS, or RabbitMQ - Strong understanding of database systems (SQL

Your Impact Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Onsite 1 day a week in Ashburn, VA. Must be local. Deliver simple solutions to complex problems as a Soft

Your Impact Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description \*\*This role is onsite 1 day a week in Ashburn, VA. Deliver simple solutions to complex problems as a So

Vacancy No VN805 Employment Type Full Time Location of role Gaithersburg, MD, Radnor, PA Department Biometrics Key Responsibilities The role of the Sr. Statistical Programmer is to oversee and/or contribute to the delivery of the in-house deliverables including CDISC conversion; statistical programm

Cardinal Technology Systems

Responsibilities Cardinal Technology Systems Corp. is a government IT solutions provider servicing commercial and government initiative in various parts of the United States. We are currently seeking a Senior Application Programmer to work for our company. Summary Must possess IT-I security clearanc

Description Java Developer: At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers since 1988.