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Java Software Engineer Jobs In Leesburg, Virginia - 123 Job Positions Available

1 – 20 of 123 jobs
J5 Consulting jobs

J5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss

J5 Consulting  27 days ago
GCI jobs

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data

GCI  27 days ago
Northstrat jobs

Software Engineer / Developer Job Type: Full time, On-Site, potential for hybrid schedule Clearance Requirements: Active TS/SCI clearance. Northstrat has various positions available, such as front-end, back-end, and full stack software engineering. You will be responsible for designing, developing,

Northstrat  21 days ago
teKnoluxion jobs

OverviewMid-Level Backend Software Engineer Gaithersburg, MD Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly required At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions,

TeKnoluxion  22 days ago
teKnoluxion jobs

Overview Backend Software Engineer Gaithersburg, MD Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly required At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions,

TeKnoluxion  22 days ago
Accenture Federal Services jobs

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

Accenture Federal Services  15 days ago
RTX jobs

Date Posted:2026-05-20 Country:United States of America Location:US-VA-DULLES-760 ~ 22260 Pacific Blvd ~ BLDG 60 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security

RTX  14 days ago
Software Guidance & Assistance, Inc. (SGA, Inc.) jobs

Software Guidance & Assistance, Inc., (SGA), is searching for an Software Engineer for a Contract assignment with one of our premier Financial Services clients in Rockville, MD. Responsibilities : Review and analyze software/hardware configurations for specific environments Create and maintain

Software Guidance & Assistance, Inc. (SGA, Inc.)  1 day ago
Eliassen Group jobs

Hybrid Onsite | 3 days per week onsite in Rockville, MD Overview We are seeking a skilled Software Development Engineer in Test (SDET) to join a high-impact Market Surveillance team responsible for validating complex surveillance patterns and regulatory

Eliassen Group  3 days ago
Danaher jobs

How It Works This is not an active job listing. By submitting your interest, you’ll be among the first to know when internship opportunities open at Danaher. While the roles described here reflect the types of

Danaher  59 minutes ago
MindLance jobs

Software Engineer Performs complex analysis, design, development, testing, and debugging of computer software ranging from operating system architecture integration and software design to selection of computer systems, language, and/or equipment. Designs, develops/codes, tests, and documents critical and complex application programs

MindLance  59 minutes ago
Kaav jobs

Job Title Job Duties: Develops innovation strategies, processes, and best practices. Drives the execution of multiple business plans and projects. Supports and ensures business objectives being met. Leads the discovery phase of medium to large projects

Kaav  59 minutes ago
Peraton jobs

Senior Software Engineer As a Senior Software Engineer at Peraton, you will play a key role in designing, developing, testing, and deploying new features for a critical data transmission application that directly supports the US intelligence community. You will collaborate

Peraton  59 minutes ago
MAXIMUS jobs

Description & Requirements Maximus is currently seeking an Associate Engineer. This person will work as a junior member of a software development team, responsible for the development, implementation and post deployment support of enterprise applications. In this role

MAXIMUS  58 minutes ago
Leidos jobs

Join Our Innovative Team at Leidos! Job Description: Software Developer Ready to break away from the ordinary and dive into an extraordinary career? At Leidos High Fidelity Simulation Business Area, we’re not just building systems—we’re revolutionizing the

Leidos  8 days ago
Leidos jobs

The Leidos Intelligence Sector has an opening for an Electrical Engineer in Reston, Virginia. The successful candidate will work as a member of a government contractor team conducting reverse engineering of above ground and underground structures with

Leidos  2 days ago
ManTech jobs

MANTECH seeks a motivated, career and customer-oriented Data Engineer to join our team in Chantilly, VA.   The Data Engineer will leverage their development skills and experience to support the successful designing, ingesting, cleansing, transformation, loading, and display

ManTech  3 days ago
ManTech jobs

MANTECH seeks a motivated, career and customer-oriented Senior Data Engineer to join our team in Chantilly, VA.   The Senior Data Engineer will leverage their strong technical background and knowledge to support the Sponsor’s data initiatives, to include

ManTech  3 days ago
Leidos jobs

Description Leidos is seeking an AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Baseline. Common Baseline is a mission-critical, future-ready automation solution built on a hybrid cloud

Leidos  1 day ago
Leidos jobs

Description Leidos is seeking a Lead AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Baseline. Common Baseline is a mission-critical, future-ready automation solution built on a hybrid

Leidos  1 day ago

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