java software engineer jobs in Washington, DC

About the RoleSecure the Future of Aviation! Concepts Beyond is seeking a hands-on cybersecurity engineer to serve as our cybersecurity technical lead for the National Airspace System (NAS), focused on Public Key Infrastructure (PKI), certificate lifecycle management, and post-quantum cryptography (PQC). This is a high-ownership, individual-contributor role,...

Nintendo Technology Development The worldwide pioneer in the creation of interactive entertainment, Nintendo Co., Ltd., of Kyoto, Japan, manufactures and markets hardware and software for its Nintendo Switch system and the Nintendo 3DS family of portable systems. Since 1983, when it launched the Nintendo Entertainment System , Nintendo has sold more...

Job Description Job Description Over 50,000 customers globally trust our end-to-end, cloud-driven networking solutions. They rely on our top-rated services and support to accelerate their digital transformation efforts and deliver unprecedented progress. Become part of something big with Extreme! As a global networking leader, learn why there is no...

Job Description Job Description The Role We are looking for a Software Engineering Intern to work on the ConstellationOS platform. You will own a real project, from design to deployed code, in areas like backend services, simulation, machine learning, or developer tools. Two terms are open: a winter internship starting in November 2026 and a spring...

Job Description Job Description Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S.,...

Company Overview At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer...

With our strong investment in research and development and our culture of continuous improvement, Hexcel is the industry leader in the manufacturing of advanced lightweight composite materials, including carbon fiber, woven reinforcements, resins, prepregs, honeycombs and engineered core and composite structures. We invite you to join the Hexcel team at...

Join the Team Behind the World’s Leading Class Management Software! We’re looking for an ambitious, hands-on Mobile Development Manager to lead our mobile and frontend engineering team and shape the future of our iOS and Android products.  This is an opportunity to combine technical leadership, people development, and product impact . Lead,...

OVERVIEW A thriving, mission-driven multimedia organization, NPR produces award-winning news, information, and music programming in partnership with hundreds of independent public radio stations across the nation. The NPR audience values information, creativity, curiosity, and social responsibility - and our employees do too. We are innovators and leaders...

As Scale's product portfolio and customer base expand, we are seeking skilled DevOps Engineers, Public Sector to be at the forefront of building out and enhancing our CI/CD pipelines. You will play a crucial role in streamlining our Software Development Life Cycle (SDLC) through collaborative efforts, moving us from a state of manual, disparate...

Clearance: Active TS/SCI with Polygraph RequiredWe are partnering with a rapidly growing technology company building secure infrastructure for enterprise AI development and software engineering. Their platform enables organizations to deploy and manage cloud development environments, AI coding agents, and modern developer tools within highly secure,...

This is a chance to put large language models into production at federal scale. Our client, a leading defense and technology contractor, is adding LLM and agentic AI capabilities to enterprise Java applications that serve millions of people. We are looking for a senior Java engineer who has already built and supported this kind of integration, not just...

Cybersecurity Technical Writer The Opportunity: Develop and maintain documentation for processes such as deployment diagrams, standard operating procedures, manuals, instructions and contract deliverables. Write and edit technical documentation for hardware and software to include installation, configuration, and how-to documentation. Format technical...

CLOUD SYSTEMS ENGINEER – Northern VA, USMust hold a Top Secret clearanceWe are looking for a Cloud Systems EngineerCompetitive Salary + Unbeatable Benefits PackageSummaryJoin a team dedicated to advancing critical national security missions through innovative software and systems engineering. You will support Signals Intelligence (SIGINT), secure...

We're building safety-enhancing technology for aviation that will save lives. Automated aviation systems will enable a future where air transportation is safer, more convenient and fundamentally transformative to the way goods - and eventually people - move around the planet. We are a team of mission-driven engineers with experience across aerospace,...

About Gallatin At Gallatin, we are rebuilding defense logistics for the warfighters of the United States and allied forces. We take an AI-first approach to improve defense readiness through software products that streamline and modernize logistics operations from factory to foxhole and result in better decisions and outcomes. We believe that you won't...

Responsibilities Own the technical strategy and roadmap for the assigned area and ensure its hardest problems are solved. Design, build, and operate tools that help platform teams ship code faster. Define and enforce standards for trusting code changes, including changes written by Claude, before and after merge. Build agents that diagnose failures, fix...

Job Description Job Description Who we are:  At Rover, pets and their people are at the heart of everything we do. We connect pet parents with trusted pet care across the U.S., Canada, Europe, and Australia. Headquartered in Seattle and Barcelona, we’re a values driven, fast-growing tech company focused on building safe and personalized experiences...

Job Description Job Description Who we are The real world is the next frontier, and at Metropolis, we are creating the artificial intelligence to make it responsive. We are pioneering the Recognition Economy — a future where mundane repetition disappears and being known unlocks access, comfort, and belonging everywhere you go. From transforming parking...

Job Description Job Description Hadrian - Manufacturing the Future Hadrian is building autonomous factories to reindustrialize America. By combining AI, advanced software, robotics, and full-stack manufacturing, we help aerospace and defense companies build rockets, satellites, aircraft, ships, and other mission-critical systems up to 10x faster and at...