Java Developer Freelance jobs in Centreville

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

Client Technologies Technician - Advanced Remote: Clemson, SC About the Job Duration: Long term Contract Position Location: Remote: Clemson, SC Pay rate: Hourly Job ID: 10706 Overview: Client is seeking Lead the design and delivery of a law enforcement switch project supporting secure, real-time dat

General Dynamics Information Technology

Java Developer Own your opportunity to turn data into measurable outcomes for our customers’ most complex challenges as a Java Developer. Here, you’ll see the bigger picture on mission initiatives and where your program management career can go at GDIT. Meaningful Work and Personal Impact As an Java

This position is a 1.0 FTE located at Claremont Immersion School. All Teachers/Instructional Staff hired after January 15th are considered term employees. This position is a term position that is effective for FY26 through June 18, 2026 only. You would need to re-apply for a position for FY27. Respo

USM

Company Description USM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing and Technology assistance supplier headquartered in Chantilly, VA with off-shore delivery centers in India. We offer world-class ability in giving most

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS200, T2, Band 5 Job-Specific Essential Duties and Responsibilities: Due to contract requirements candidates must be U.S. Citizens. Applicants who are Green Card holders or who require sponsorship cannot be considered. Abi

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS199, T1, Band 4 Job-Specific Essential Duties and Responsibilities: Build and maintain simple UI components using JavaScript frameworks. Write and maintain server-side logic and handle HTTP requests. Perform simple CRUD o

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 an SME Computer/Applications Programmer to work for our company. Summary Eligibility to obtain a U.S

Job Description ECS is seeking a highly experienced Scientific Programmer (DevOps) to work remotely. The Scientific Programmer is technical and can communicate with science teams and leadership. This is a senior and self-managed person who has a high attention to detail and ownership of his/her task

Job Title: Software developer/ Application developer Location : Washington, DC (Onsite) Clearance : Active Top secret / TS/SCI Status : Full Time Yakshna Solutions, Inc., (YSI) is a CMMI Level 3 assessed, ISO 9001, 20000:1, 27001 certified, woman-owned small business enterprises, headquartered in He

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

omegahires

Experience in developing complex enterprise applications using Java Frameworks to include Sprintboot, Hibernate etc Experience in design, architecture and development of Enterprise systems in Java Some level of experience developing applications using Javascript front-end technologies, for eg React

Minimum Qualifications: Bachelor Degree in Computer Science or equivalent certificate. 2. Must have four (4) plus years of Web based applications development experience in:a. JAVA, J2EE, JSP, HTML, JavaScript, XML, EJB, JavaBeans, JDBC, Struts framework, Custom tag librariesb. Working knowledge in W

Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilities include supplying federal government entities and private businesses with software development, sc

Cytel

Sponsor-dedicated: Working fully embedded within one of our pharmaceutical clients, with the support of Cytel right behind you, you'll be at the heart of our client's innovation. As a Principal Statistical Programmer you will be dedicated to one of our global pharmaceutical clients; a company that i

Title: java API Developer Location: Richmond, VA (Hybrid – 3 days onsite, Friday remote) Duration:9 month Introduction: We are seeking an experienced professional to design, develop, and manage scalable, high-performance APIs in a cloud-based environment. The ideal candidate will have strong experti

DESCRIPTION Join the Amazon Web Services EC2 Instance Connectivity development team responsible for connectivity services to AWS EC2 instances. This team owns services that enhance customers' observability and troubleshooting by providing a suite of tools to connect to their EC2 instances that adher

Dear Applicant, Please let me know if you are interested. Job Title – Sr. Java FSD Location – Mclean, VA – Onsite 5 days / week Hire Type – Fulltime Job Description 8+ years of experience in Design and Development of applications using Java 8+/J2EE, Spring, Spring-Boot, RESTful Services and UI Frame

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

ANGARAI

Configure, develop, and maintain Salesforce Marketing Cloud solutions across Email Studio, Journey Builder, Automation Studio, Content Builder, and MobileConnect (SMS) Design and implement end-to-end customer engagement journeys, including triggered, scheduled, and event-driven communications across