Software Developer Programmer jobs in Washington

GRVTY

What You'll be Owning GRVTY is seeking a Software Developer - User Support with a TS/SCI + Poly clearance (applicable to this customer) to join one of our top projects in Sterling, VA. What You Must Have Active TS/SCI with Polygraph Clearance 5 years' experience writing and maintaining systems docum

Because You Deserve More Than Just a Job To be an ELEVI team player you will need: You must hold a current Poly clearance Possess fourteen (14)+ years of experience as a software engineer in programs and contracts of similar scope, type, and complexity is required. Having a Bachelor's degree in Comp

Who we are Lockheed Martin is a global leader in aerospace, defense, and technology solutions. Our Manassas campus is a thriving center of engineering expertise, fostering a culture that encourages creativity, excellence, and the creation of exceptional products. Our team is made up of dedicated pro

About The Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We’re looking for thoughtful, skilled professionals who thrive as trusted partne

Electrify America is committed to revolutionizing the way people charge. As the country's largest open DC fast charging network, Electrify America is actively contributing to electrifying mobility today and building a more sustainable future. At Electrify America, we value innovation, collaboration,

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovati

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 potential of technology and ingenuity for clients across defense, nation

Accenture

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 potential of technology and ingenuity for clients across defense, nation

CAREERS You can have the ultimate choice at Prosoft Associates - a worldwide IT services firm. We seek Software engineers, scientists, and IT technical staff to join On-site, Offsite and Offshore development teams capable of helping our clients provide diverse solutions required to improve performan

ABOUT US We’re the world’s leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value – across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we’re proud

SIGINT Software Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking an innovative and driven SIGINT Software Developer to join our team and create cutting-edge solutions for Signals Intelligence opera

Leidos

$87,100 - $157,450 /year

Leidos is seeking a Lead DevSecOPS 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 data mesh architecture. As

Your Impact Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Summer 2026 Software Developer Internship Praxis Engineering, a GDIT company, provides cutting-edge techn

Description Exciting Opportunity Awaits! Step into a role that’s far from ordinary and take part in transforming the future of naval simulation, training, and analysis at Leidos' High Fidelity Simulation Business Area. We’re not just building software—we’re setting the standard for the U.S. Navy’s o

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an

Leidos

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Software Developer to

Description Exciting Opportunity Awaits! Step into a role that’s far from ordinary and take part in transforming the future of naval simulation, training, and analysis at Leidos' High Fidelity Simulation Business Area. We’re not just building software—we’re setting the standard for the U.S. Navy’s o

Type Of Requisition Regular Clearance Level Must Currently Possess None Clearance Level Must Be Able To Obtain Top Secret SCI + Polygraph Public Trust/Other Required None Job Family Interns Skills Job Qualifications: C / C++, Collaborating, JavaScript, Java Software Development, Python Software Deve

ARA

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an