Software Engineer Java jobs in Gaithersburg

Job Number: R0238076 Software Engineer, Mid The Opportunity: As an AI software engineer, you know that good software is more than just a nice-looking interface and data. Today, you need to develop user-focused solutions that increase organizational efficiency and enable better decision-making. Booz

Science Systems and Applications, Inc. (SSAI) is seeking a Scientific Software Engineer to support the Ocean Ecology Laboratory at the NASA Goddard Space Flight Center. The position will support scientific software, tools and services development for data distribution and management of current and f

Sr. Software Engineer | Hybrid We're hiring on behalf of a Haystack partner! The Role Analyze, design, code, and update software for new features and performance improvements. Implement and test C++ software solutions for Linux systems. Collaborate with development teams and technology stakeholders

Overview The Senior Software Engineer (.NET Full Stack) is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities,

T-Rex Solutions

$15,000 - $17,500 /year

Are you ready to make a significant impact by supporting critical national security infrastructure? T-Rex Solutions is looking for a fully cleared Software Engineer 2 to join our dynamic team in the Ft. Meade, MD area. Responsibilities: The Software Engineer develops, maintains, and enhances complex

Set of X

WE ARE HIRING OWNERS Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sens

Full-time Fort Belvoir, VA About Us Trideum Corporation is a 100% employee-owned company, committed to embracing the world’s toughest challenges with a servant’s heart. Through dedicated hard work and commitment, we provide distinctive quality and unparalleled customer service in all aspects of our

The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a lead developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstand

Job Number: R0238076 Software Engineer, Mid The Opportunity: As an AI software engineer, you know that good software is more than just a nice-looking interface and data. Today, you need to develop user-focused solutions that increase organizational efficiency and enable better decision-making. Booz

Date Posted: 2026-04-15 Country: United States of America Location: US-MD-ANNAPOLIS JUNCTION-339 ~ 306 Sentinel Dr ~ 339 BLDG 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 clearance is re

ELEVI Associates

$179,000 - $225,000 /year

Because You Deserve More Than Just a Job To be an ELEVI team player you will need: You must hold a current Poly clearance Twelve (12) years' experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Bachelors degree in Computer Science or related discipline fr

Science Systems and Applications, Inc. (SSAI) is seeking a Scientific Software Engineer to support the Ocean Ecology Laboratory at the NASA Goddard Space Flight Center. The position will support scientific software, tools and services development for data distribution and management of current and f

Job Number: R0237682 Software Engineer, Senior The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to create a system that will make a difference, we

Job Number: R0237681 Software Engineer, Senior The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to create a system that will make a difference, we

Sedaro

$7,917 - $10,417 /year

Overview Sedaro is hiring a 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 analyt

Description Are you a versatile developer who wants to apply modern software practices to solve critical, real-world challenges in strike weapon technology? Are you a software engineer who is naturally curious about how things work and loves collaborating with experts to build the right scientific c

Description Are you a software engineer that wants to have an impact on nationally important defense programs? Do you love participating in dynamic software development, prototyping, and transition efforts that regularly provide our warfighters new capabilities? Do you love working with a group of d

Job Description 5-7 years overall development experience. You have industry-leading technical abilities. You demonstrate a breadth and depth of knowledge in the following disciplines: Strong object-oriented design and coding skills in Java or C++ You solve problems at their root, stepping back to un

Job Number: R0237974 Software Engineer, Mid The Opportunity: As a sof t war e engineer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof t war e, but to help create a system that will make a differenc

Software Engineer Altamira Technologies has a long and successful history of providing innovative solutions throughout the U.S. National Security community. Headquartered in McLean, Virginia, Altamira serves the defense, intelligence, and homeland security communities worldwide by focusing on creati