Java Developer Freelance jobs in Herndon

Basic Qualifications: Must have an active Secret or Top Secret Clearance Experience in software development, integration, troubleshooting using Java. Experience developing scripts using Bash or Python. Development, integration, troubleshooting experience with the Linux/Unix Operating System. Desired

Amazon

Description MULTIPLE POSITIONS AVAILABLE Employer: AMAZON DATA SERVICES, INC. Offered Position: Software Dev Engineer III Job Location: Herndon, Virginia Job Number: AMZ9802110 Position Responsibilities: Drive the architecture and design of large-scale, multi-tiered, distributed software application

Java/ J2EE Developers that are local to DC/ Herndon area that are interested for a contract opportunity. Looking for people that have Java/J2EE and preferably some SOA skills but if they are a lead developer, that is ok too. Skills: TIBCO Business Works - MUST HAVE J2EE w Spring Framework Hibernate

Mroads is seeking a "Systems Programmer - z/OS" for one of its direct clients. This is a remote opportunity with the client. Required Experience: 10+ years performing general z/OS systems programming 5+ years performing installation, maintenance, configuration and support of a wide range of IBM, Bro

DALY Computers is a system integrator, solution provider, value added reseller, and major service provider focused on serving the IT infrastructure needs of state local governments and education customers. Our mission for over 38 years is to combine innovative technologies and services to help our c

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

Computer Programmer II About CICONIX: CICONIX LLC is a Veteran Owned Small Business specializing in business advisory and technical assistance for military health programs. We value exceptional people, unwavering integrity, inclusive collaboration, and enduring impact. . Location(s): Hyattsville, MD

ASSYST is seeking a highly experienced and motivated Lead Java Full Stack Develope r to join our client's dynamic engineering team in Washington D.C. (Remote Role) The candidate shall lead a team of talented developers in designing, building, and deploying enterprise-scale applications using a moder

Computer Programmer III About CICONIX: CICONIX LLC is a Veteran Owned Small Business specializing in business advisory and technical assistance for military health programs. We value exceptional people, unwavering integrity, inclusive collaboration, and enduring impact. . Location(s): Hyattsville, M

DRB HOMES

Description JOB PURPOSE Reviews, analyzes, and modifies programming of applications systems including encoding, testing, debugging and documenting programs. Ensures that programs can be integrated in the applications systems. ESSENTIAL FUNCTIONS Duties and Responsibilities Designs, tests and debugs

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, nation

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 bel

On C2C through employers we are accepting only H1B Looking for seniors 12+ years exp client looking for locals to VA,MD,DC States Please share resume to jay@kmmtechnologies.com Position: Java Full Stack Developer with AWS Location: Reston, VA - Hybrid - Weekly 3 days Onsite Duration: Long Term Key R

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

ASSYST is seeking a highly experienced and motivated Lead Java Full Stack Develope r to join our client's dynamic engineering team in Washington D.C. (Remote Role) The candidate shall lead a team of talented developers in designing, building, and deploying enterprise-scale applications using a moder

About this Position: Job Title: Software Programmer REQUIRED SKILLS: 5+ Years of Experience Developing .Net Solutions using C#, ASP.NET, XML, Java Script. Experience with law enforcement switch environments, including dispatch, communications, or public safety systems. 5+ Years of Experience with SQ

Position: Systems Software Programmer - Project Lead Location: Columbia, SC (29212) Client: State of South Carolina Duration: 12+ Months Job Description: We are seeking a skilled Systems Software Programmer - Project Lead to join our team for the SLED Law Enforcement Switch Project. The ideal candid

Job ID: 2611342 Location: Chantilly, VA, US Date Posted: 2026-04-13 Category: Business Development Subcategory: Business Dev Schedule: Casual (includes On-Call and Temporary) Shift: On Call Job Travel: No Minimum Clearance Required: Top_Secret Clearance Level Must Be Able to Obtain: TS/SCI with Poly

Job Summary We are seeking a Sr App Developer to drive the design, development, and implementation of complex software solutions. As a lead, you will provide technical direction, mentor junior developers, and ensure high-quality code standards across the full stack. location: Telecommute job type: C

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