NewSoftware Engineer 3 - C++/Testing Captivation SoftwareSoftware Engineer 3 - C++/TestingAnnapolis JunctionSecurity Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen. Captivation is looking for software developers who can get stuff done while making a difference in support of the mission to protect our country.
Software Developer, Systems Software MATRIX SYSTEMS & TECHNOLOGIES INCSoftware Developer, Systems SoftwareBowie, MDRemoteFull timeProven experience in building fault-tolerant systems for high availability. **Candidate must hold MBI Clearance with IRS experience**.
Software Engineer - Cloud Infrastructure CACI International IncSoftware Engineer - Cloud InfrastructureChantilly, VA$113,200–$237,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. You won't just write code and throw it over the fence; you will have the autonomy to build complex applications and architect the environments, pipelines, and containers required to deploy them successfully into operations.
Software Engineer CACI International Inc.Software EngineerFairfax, VA$79,400–$162,700 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. You will have the opportunity to get hands-on experience with a variety of software tools and processes around containerized applications development and deployment, troubleshoot dataflow between embedded systems and containerized applications, and work directly with RF equipment in the Fairfax lab.
Senior Software Engineer- CoStar Suite- Arlington, VA CoStar Group IncSenior Software Engineer- CoStar Suite- Arlington, VAArlington, VA$124,000–$187,000 / yearIncluded in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. 5+ years of production development experience in modern technologies, like React, Vue, TypeScript, NodeJS, C#, Net, OpenSearch, Kafka, SQL, NoSQL.
Senior .Net Developer Network Designs Inc.Senior .Net DeveloperAlexandria, VAFull timeFront-End Development:Design and develop responsive, accessible, and user-friendly web interfaces using Angular, TypeScript, HTML, and CSS.Build reusable front-end components and services that support consistent application behavior and presentation. Citizenship is requiredMust be able to obtain a Public Trust clearanceThis position requires working onsite in Alexandria, VA, 5 days per weekQualifications and Experience: Bachelor's degree in Computer Science, Information Systems, Engineering, Software Development, or a related technical discipline.
Senior Software Engineer / Data Scientist (Training Systems) LeidosSenior Software Engineer / Data Scientist (Training Systems)Chantilly, Virginia$154,050–$278,475 / yearBachelor’s degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
Cano/Wifi Software Developer- C/C# Oak Grove Technologies, LlcCano/Wifi Software Developer- C/C#Fort Belvoir, VADesired skills/certifications: Offensive Security Experienced Penetration Tester (OSEP), Advanced Windows Exploitation - Offensive Security Exploitation Expert (OSEE), GIAC Exploit Researcher and Advanced Penetration Tester (GXPN), GIAC Reverse Engineering Malware (GREM). Host-based and network-based forensics, cyber incident response, cyber-criminal investigations, intrusion detection/analysis, and designing countermeasures and mitigations for programming language weaknesses and vulnerabilities.
Software Engineer (AWS & Security) ConsultNetSoftware Engineer (AWS & Security)Rockville, MDThis role combines software engineering, AWS cloud development, and security engineering to build scalable applications, APIs, and automation that improve security, operational efficiency, and developer productivity. For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact.
Senior .NET Software Engineer Network Designs Inc.Senior .NET Software EngineerAlexandria, VAFull timeNET Software Engineer will serve as a technical leader by promoting software engineering best practices, participating in technical design and code reviews, mentoring junior developers, and collaborating with Scrum teams, architects, testers, and business stakeholders to deliver high-quality enterprise applications supporting mission-critical federal systems. Citizenship is requiredMust be able to obtain a Public Trust clearanceThis position requires working onsite in Alexandria, VA, 5 days per weekQualifications and Experience:Bachelor of Science in Computer Science or Related FieldAt minimum 10 years' related work experiencSelf-starter with the ability to work effectively in a collaborative Agile team environment.
MD-Software Engineer(Java) - TS/SCI w/ Polygraph SunayuMD-Software Engineer(Java) - TS/SCI w/ PolygraphAnnapolis Junction, MDMust have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.Must have experience or familiarity with multiple languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL).Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm. Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD).Experience with Behavior Driven Development (BDD).Secure Software development (i.e., Layer 7 Policy).Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team.
Software Engineer – Java, Spring & AWS (Big Data Platform) ConsultNetSoftware Engineer – Java, Spring & AWS (Big Data Platform)Rockville, MDThis is an excellent opportunity for an engineer who enjoys working within a mature, enterprise-grade codebase where understanding and improving existing systems is just as important as developing new features. For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact.
NewSenior Java Software Engineer Columbia Technology PartnersSenior Java Software EngineerAnnapolis Junction, MD$7,000–$20,000 / yearFull timeWith a proven track record in information security, project management, systems/network engineering, security risk management, vulnerability assessments, and mobile security implementation; our employees have the experience, expertise, and innovative thinking our customers need for results that exceed expectations. CTP staff have worked closely with both government engineers and management to gather mission requirements, develop the architecture to deliver the needed functionality and assess tools available to meet or exceed the needs of the mission.
Backend Software Engineer IT VeteransBackend Software EngineerWashingtonIT Veterans is seeking a highly skilled Backend Software Engineer to support the design, development, and maintenance of secure, scalable backend solutions for web applications operating in Department of Defense (DoD) environments at Impact Level 5 (IL5) and above. Develop and maintain RESTful APIs that enable seamless communication between frontend and backend systems while supporting multi-model integrations with Frontier AI platforms.
Cloud Software Engineer - TS/SCI w/ Poly General Dynamics Information TechnologyCloud Software Engineer - TS/SCI w/ PolyHerndon, VirginiaTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. The Cloud Software Engineer serves as a technical Subject Matter Expert who designs, builds, and maintains cloud‑native applications and the underlying platform services and automation frameworks that support them.
Software Dev Engineer II, AMZ Foundational Security Services Amazon.com IncSoftware Dev Engineer II, AMZ Foundational Security ServicesHerndon, VAWhether you"re passionate about building highly scalable and reliable systems in the cloud or a software developer who likes to solve interesting and complex business problems, AWS Security is the place for you. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores.
Software Development Engineer, Open Data Analytics - Engines Amazon.com IncSoftware Development Engineer, Open Data Analytics - EnginesArlington, VAYou need to not only be a top software developer with excellent programming skills, an understanding of distributed systems and parallel data processing, and a stellar record of delivery but also excel at leadership and customer obsession and have a real passion for massive-scale computing. Amazon EMR is a web service which enables customers to run massive clusters with open-source data processing frameworks like Spark, Trino, Flink, Hive, Hadoop, HBase and more, with the ability to effortlessly scale up and down as needed.
Software Development Engineer II, AWS Security Amazon.com IncSoftware Development Engineer II, AWS SecurityHerndon, VAThe Weekly Security Meeting (WSM) team is comprised of engineers and program managers that drive the WSM program, a forum where AWS" CEO-level leadership team, including its CISO, deeply understand the most important timely security issues affecting customers and use that understanding to continually improve AWS" security achievement. As a software developer on this team, you"ll develop automation tools that reduce the effort required from security and service teams, build integrations across multiple AWS Security organizations, and create mechanisms that enable escalation of emergent security threats.
NewSenior Backend Software Engineer TurnitinSenior Backend Software EngineerWashington, DC$112,125–$186,875 / yearActual compensation will be provided in writing at the time of offer, if extended, and is determined by work location and a range of other relevant factors, including but not limited to: experience, skills, degrees, licensures, certifications, and other job-related factors. The Senior Software Engineer - Backend Services will be responsible for designing, implementing, and maintaining scalable, high-performance backend systems using AWS Lambda and related technologies.
Software Development Engineer, Amazon Foundational Security Services, Amazon Foundational Security Services (AFSS) Amazon.com IncSoftware Development Engineer, Amazon Foundational Security Services, Amazon Foundational Security Services (AFSS)Herndon, VAWhether you"re passionate about building highly scalable and reliable systems in the cloud or a software developer who likes to solve interesting and complex business problems, AWS Security is the place for you. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores.