Senior Software Engineer Jobs in Reston, VA

ICF Incorporated LLC: Senior Software Engineer Reston VADUTIES:Development of code and experience with the platform its tooling JavaScript TypeScript and ReactWork in an existing codebase and with a collaborative team.Build enterprise-scale backend REST APIs with frameworks such as using an API-f...

We are looking for an early-career Software Engineer with a data focus to join our Technology Solutions Group (TSG). This is an excellent opportunity for a motivated engineer to join a lean team focused on rapid prototyping and development with the ability to gain experience across multiple discipli...

Reston VA (CONUS / OCONUS Support) Hybrid / Remote Eligible Based on Mission RequirementsPosition SummaryGlobal C2 Integration Technologies (GC2IT) is seeking a highly motivated and experienced Senior Software Engineer - Administrative Services Lead to support the design delivery and sustainment of...

Babel Street is the trusted technology partner for the worlds most advanced identity intelligence and risk operations. We deliver advanced AI and data analytics solutions providing unmatched analysis-ready data regardless of language proactive risk identification 360-degree insights high-speed autom...

Position:Software EngineerLCAT:SeniorLocation:Reston VirginiaThis position is contingent upon award.Required clearance:TS/SCI with willingness to take CI poly.Candidates with current CI poly taken within the past seven years will be prioritized.Required experience:At least 11 yearsRequired education...

Position:Software EngineerLCAT:MidLocation:Reston VirginiaThis position is contingent upon award.Required clearance:TS/SCI with willingness to take CI poly.Candidates with current CI poly taken within the past seven years will be prioritized.Required experience:At least 5 yearsRequired education: Ba...

Full Stack Software Engineer Work Location: locations: Reston VA & Plano TX (Day one Onsite) Hire Type: Contract Must-Have Skills: Amazon CloudFront Angular AWS Fargate Java GitHub Copilot XML Java AWS Python AI/GenAI Description: We are seeking a hig...

Leidos is seeking an Associate Software Engineer in Morgantown WV or Reston VA for Summer 2026. This position is full-time onsite for 3 months.Come put your Software Engineering skills into action! The Leidos Software Accelerator has openings for talented Software Engineers. The responsibilities for...

Please note: This role is contingent upon a contract award. While it is not an immediate opening we are actively conducting interviews and extending offers in anticipation of the award. The Work: ICF is seeking an experienced and driven Software Security Engineer to lead and oversee mission-critical...

ABOUT THE TEAMAnduril Intelligence Systems (AIS) is focused on positioning Anduril as a lead provider of specialized engineering and products for Intelligence Community (IC) customers. We work within the IC to understand their requirements shape their concepts of operation and deliver exquisite capa...

The Analysis Solutions Business Area at Leidos is seeking Software Developers at multiple experience levels to support a government customer in Reston VA. Candidates will join a fast-paced mission-focused team of government and contractor personnel developing innovative software and data-driven solu...

The Work: ICF is looking for an enthusiastic Senior Software Engineer to join our team and help with development and maintenance of our backend APIs that support a significant program with the Centers for Medicare & Medicaid Services (CMS). If you are Senior Software Engineer interested in applying...

Your work days are brighter here.Were obsessed with making hard work pay off for our people our customers and the world around us. As a Fortune 500 company and a leading AI platform for managing people money and agents were shaping the future of work so teams can reach their potential and focus on w...

Your work days are brighter here.Were obsessed with making hard work pay off for our people our customers and the world around us. As a Fortune 500 company and a leading AI platform for managing people money and agents were shaping the future of work so teams can reach their potential and focus on w...

Your work days are brighter here.Were obsessed with making hard work pay off for our people our customers and the world around us. As a Fortune 500 company and a leading AI platform for managing people money and agents were shaping the future of work so teams can reach their potential and focus on w...

Your work days are brighter here.Were obsessed with making hard work pay off for our people our customers and the world around us. As a Fortune 500 company and a leading AI platform for managing people money and agents were shaping the future of work so teams can reach their potential and focus on w...

*We are open to supporting 100% remote work anywhere within the United States. Must be able to support Eastern Time Zone* As a Software Engineer at ICF you play the central role in driving innovation and using technology to drive connections through a multi-channel experience. If you have an incredi...

ABOUT THE TEAMAnduril Intelligence Systems (AIS) is a lead provider of highly specialized engineering products for Intelligence Community (IC) customers. We work within the IC to understand their requirements and shape concepts of operation. We design develop and deliver exquisite capability across...

ABOUT THE TEAMAnduril Intelligence Systems (AIS) is a lead provider of highly specialized engineering products for Intelligence Community (IC) customers. We work within the IC to understand their requirements and shape concepts of operation. We design develop and deliver exquisite capability across...

Playing an essential role in the U.S. economy Fannie Mae is foundational to housing finance. Here your expertise can help fuel purpose-driven innovation that expands access to homeownership and affordable rental housing across the country. Join Fannie Mae to grow your career and help people find a p...