Software Developer jobs in Frederick

Responsibilities This opening is in support of a proposal effort (Anticipated Start: August 2026) and is contingent upon contract award Overview: We are building a talent pipeline in support of an upcoming Defense Threat Reduction Agency (DTRA) contract proposal, with anticipated work beginning in A

Leidos

Description Leidos is looking for a qualified C++ Software Developer to support the Custom Border Patrol customer that handles all the travelers coming into the country via Airports, Seaports, Pedestrian, and Vehicle lanes. This position is focused on the devices attached to workstations and client

Summit Human Capital is seeking a highly motivated 100% Remote Front-End Developer to support our client on a federal modernization effort. This position has the exciting opportunity to support the development and maintenance of interactive front-end applications for a mission-driven organization. R

Description The Homeland Sector within Leidos is seeking a Reacts Developer with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger

Own the opportunity as a Full-Stack Software Developer and help ensure the mission is never interrupted. At GDIT, we deliver clarity with our cloud solutions and provide meaningful work. Your work will be an important part of transforming our clients for the modern age and help them face any obstacl

A leading technology services provider is seeking a Software Developer in Herndon, VA. This position involves creating enterprise-level, serverless cloud architectures and requiring at least 3 years of experience in software development. You will work closely with Agile teams to deliver innovative s

A research and development institution is looking for a talented Software Developer to join the Visualization and Decision Support Division. The role involves designing, developing, and deploying software solutions while ensuring they follow best practices for security and compliance. Candidates sho

Sr Software Engineer Location: US-VA-Reston Job ID: 2026-11040 Overview The Engineer in this role will be supporting DIA customers in the maintenance, functionality, and sustainment of Zero Trust Environments. This support will include, but is not limited to, working in a DevOps environment to suppo

Cross-Domain Software Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and innovative Cross-Domain Software Developer to design, implement, and maintain secure solutions for transferring da

A company is looking for a Senior Eclipse Applications Programmer. Key Responsibilities Design, develop, test, and maintain software applications to meet operational needs Identify, troubleshoot, and correct data errors to ensure data integrity Collaborate with stakeholders to gather and refine syst

VTG

Overview VTG is seeking a talented and experienced Full Stack Software Developer to join our dynamic and innovative team in Chantilly/Herndon, VA. As a Full Stack Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications. You will work

VTG

Overview VTG is seeking a talented and experienced Back-End Software Developer to join our dynamic and innovative team in Chantilly, VA or Herndon, VA. As a Back-End Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications. You will wo

Description Leidos is seeking an Automated Testing Software Developer to support a government contract in the National Capital Region (NCR). The ideal candidate will be able to develop test programs to support automated test systems primarily using LabVIEW and/or Python. The Automated Testing Softwa

Description In the Homeland Sector, our software helps protect communities and keep important systems running safely. As we build more software, we need to make sure it stays efficient, reliable, and easy to improve over time. This role plays a key part in that. You’ll improve how software is built

Description In the Homeland Sector, our software helps protect communities and keep important systems running safely. As we build more software, we need to make sure it stays efficient, reliable, and easy to improve over time. This role plays a key part in that. You’ll improve how software is built

Job Title: Mid-Level Software Engineer (MUST HAVE ACTIVE TS/SCI) Location : Gaithersburg, MD Clearance : Current Active TS/SCI MINIMUM SKILLS REQUIRED: Strong proficiency with the following technologies: US citizenship is required per contract. Bachelor’s degree in Computer Science, Software Enginee

Job Description: Responsibilities: Collaborate with cross-functional teams to understand project requirements and deliver quality web application implementations. Develop impactful features and/or fixes from a back-end development perspective for an enterprise-level web application. Implement new fe

CADRE is relied upon for delivering superior insight and leadership to solve the nation's most critical national security challenges in the most demanding environments. This Software Developer position is located in Northern Virginia with flexible core hours. The Software Developer position requires

Company : Cogent Communications is a global, Tier 1 facilities-based ISP, consistently ranked as one of the top five networks in the world and is publicly traded on the NASDAQ Stock Market under the ticker symbol CCOI. Cogent specializes in providing businesses with high speed Internet access and Et

Cydecor is a premier Federal Government solutions provider, delivering differentiated innovations in mission systems and business platforms. We leverage leading-edge secure systems and software development, backed by industry-leading subject matter expertise, and business intelligence to enable deci