Java Software Engineer jobs in Leesburg

DevOps Software Engineer - TS/SCI Xcelerate Solutions is looking for our next TS/SCI‑cleared DevOps Software Engineer to join a high‑energy team building and deploying a cutting‑edge technology stack in support of the DIA‑NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). Thi

Title: Fullstack .Net Software Engineer Location: Rockville MD Duration: 6 – 12 months Work Type: - Contract and Onsite role Job Description: HTML and CSS CSS frameworks such as Bootstrap or Tailwind JavaScript Responsive and mobile-first design principles UX/UI design with a focus on improving user

Job Number: R0237886 Software Development Engineer The Opportunity: We're looking for a Software Development Engineer to join our chief technology office engineering team-a dynamic group of innovators passionate about redefining the market through cutting-edge technology. You'll focus on building Bo

Job Description Want an opportunity to support and Intelligence mission customer as a Software Engineer? Excited about using the latest and greatest front-end technologies? We are looking for you! BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government

Title: Elastic Software Engineer - Senior II Description: Our client provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Their capabilities include cyber space operations,

Securiport

Job Summary : The Software Engineering Manager manages a team responsible for the design, development and testing of software systems and software applications. Leads and directs the work of software engineers and has full responsibilities on project resources, scope and schedule performance. The So

Overview VTG is seeking a highly qualified Associate Software Engineer with hands on experience with design and integration using C++ and Qt to develop a Human Machine Interface and Control Functionality for submersibles and surface craft. Must be experienced with SW development in an Agile environm

KBR, Inc.

Title: Software Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this role, you will design and deliver software solutions that s

Cinteot Inc. is a small IT services company that specializes in cybersecurity, Big Data/databases, software development, systems testing, STIG Compliance training, closed-circuit television/security cameras and access controls, and construction/facilities. We are a Woman-owned, SBA Certified 8(a), a

DocMe360

$5,833 - $12,500 /year

DocMe360 is seeking a talented Software Engineer to join our dynamic team. The Software Engineer role will provide hands-on technical leadership and software development expertise for a cross-functional team supporting the Clinical Decision Support (CDS) team. This role is responsible for designing,

Sedaro

$9,583 - $13,333 /year

Overview Sedaro is hiring a Lead Software Engineer to build powerful tools for modeling complex Aerospace simulations. You'll work across the full lifecycle—from the editor where engineers model systems and missions, to the workflow tools where they schedule simulation jobs, to the 3D playback and a

JOB ID: 725049BR Date posted: Apr. 16, 2026 Description: Do you have a commitment to success, proven interpersonal skills, a positive outlook? Are you a creative thinker and problem solver? Are you looking for a meaningful career? If so, then we would love to speak with you! Engineering & Techno

Responsibilities Noblis is seeking a Software Developer proficient in both front-end and back-end development to join our team in support of national security missions. This position will support a program delivering an array of AI/ML-driven capabilities, tools, and data engineering services to adva

JOB ID: 724781BR Date posted: Apr. 16, 2026 Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockhe

Umbra is an American space technology company delivering advanced systems, from sensors to spacecraft, that empower customers worldwide with unmatched access to critical information from space. Our mission is simple and ambitious: redefine space—for people, systems, and missions in every domain. Umb

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it’s at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose. Posit

Job Description Who will you be working with? The Wabtec Digital Onboard Solutions Engineering (DOSE) team develops a wide variety of products for the rail industry such as Electronically Controlled Pneumatics (ECP), Video and Event Recorders, Network Management Devices, Braking Systems, and Train C

Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems

Software Test & Verification Engineer (Senior) Company: The Boeing Company The Boeing Company is currently seeking a Software Test & Verification Engineer (Senior) to support the Denali Software team located in Herndon, VA. This position will focus on supporting the Boeing Defense, Space &am

Job ID: 2611428 Location: Arlington, VA, US Date Posted: 2026-04-14 Category: Software Subcategory: SW Systems Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_HYBRID