383 - Principal Software Engineer ARSIEM383 - Principal Software EngineerAnnapolis Junction, MDARSIEM is looking for an experienced and talented Software Developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other laws.
Python Developer ICF International IncPython DeveloperAdelphi, MD$81,499–$138,549 / yearPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. This work will include developing cyber defenses, supporting physical and network simulation of UAV/UGV platforms, and evaluating the resilience platforms in simulated tactical scenarios and field tests.
Python Developer - Clearance Required ICF International, IncPython Developer - Clearance RequiredAdelphi, MD$81,499–$138,549 / yearPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. This work will include developing cyber defenses, supporting physical and network simulation of UAV/UGV platforms, and evaluating the resilience platforms in simulated tactical scenarios and field tests.
Team Lead (Developer & Reverse Engineering Experience) BytoaTeam Lead (Developer & Reverse Engineering Experience)Laurel, MarylandBytoa is seeking a Team Lead to lead a team of software engineers focused on improving the work experience of software developers and reverse engineers using the customer’s development platform. The Team Lead serves as the primary interface with the customer while ensuring the team delivers high-quality, impactful tooling and workflow improvements.
Red Team Software Developer Oak Grove Technologies, LlcRed Team Software DeveloperFort 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). If you are a highly motivated Red Team Offensive Software Developer and ready to apply your expertise in a high-impact role, we encourage you to join our mission in supporting national security efforts while working with cutting-edge technologies.
Software Engineer (AI-Assisted Developer Tooling) Visionist IncSoftware Engineer (AI-Assisted Developer Tooling)Laurel, MD$170,000–$240,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
Sr Software Engineer (AI/ML) INflow FederalSr Software Engineer (AI/ML)Springfield, VAIn this role, you will develop LLM-enabled workflows and Retrieval-Augmented Generation (RAG) capabilities inside existing mission software, integrate data streams from multiple sources and network environments into the customer's system, and execute cloud platform migrations across AWS, OpenShift, and Kubernetes. You'll work in Python, Java, and Scala on an agile scrum team, applying DevSecOps practices - code hardening, automated security scanning, CI/CD - so that what you build survives contact with complex, secure networks.
Cyber Software Engineer Nightwing Intelligence SolutionsCyber Software EngineerSterling, VirginiaExperience with two or more of the following: Python, JSON, Data Analytics, MongoDB, MinIO, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, Openshift, AWS, View Jazz Framework, Process Automation, Terraform, CI/CD knowledge. Nightwing is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution.
Actionet, Inc. Careers - Software Engineer IV - Web/Database Development ActioNet, Inc.Actionet, Inc. Careers - Software Engineer IV - Web/Database DevelopmentVienna, VAThe ideal candidate will have extensive experience with Oracle and Microsoft SQL Server databases, data modeling, database design, performance tuning, replication, distributed database environments, and high-availability solutions. The successful candidate will work closely with Database Administrators, software developers, architects, and technical teams on complex enterprise projects while ensuring solutions follow current technologies and industry best practices.
Senior Software Engineer SparksoftSenior Software EngineerMarylandYou will partner with Business Analysts to assess design gaps and surface functionality improvements, delivering Java and JavaScript-based solutions that align with technical design specifications and evolving stakeholder needs. Working across the full development lifecycle — from requirements analysis and design through implementation, quality assurance, and maintenance — this position bridges technical execution with cross-functional collaboration.
Full-Stack Software Engineer (Associate / Experienced) The Boeing CoFull-Stack Software Engineer (Associate / Experienced)Chantilly, VA$99,450–$143,750 / yearThe Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Experience with one or more of the following: Java, HTML 5, CSS 3, JavaScript, Firebug and JS frameworks (REACT, jQuery, jQuery UI, Open Layers, etc.), Spring Framework, Hibernate, RDBMS, MongoDB, XML, SOAP, REST, WSDL/Web Service protocols.
Software Developer Electrosoft Services, IncSoftware DeveloperArlington, VARelevant certifications such as Microsoft Certified: Azure Developer Associate, AWS Developer Associate, Security+, Certified Scrum Developer (CSD), or equivalent. Design, develop, test, implement, and maintain software applications and digital solutions supporting Transformation Strategy, Enablement, and Service Experience initiatives.
.NET / C# Developer – Senior (Top Secret with agreement to obtain CI Poly) North Point Technology.NET / C# Developer – Senior (Top Secret with agreement to obtain CI Poly)Fort Belvoir, VAIndividuals not performing at a Government facility and not TS/SCI cleared shall write code in an unclassified environment and provide the code to contractor developers working at a Government facility with TS/SCI clearance for integration into integration and production environments. Provides application development for a Microsoft-oriented enterprise environment, including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development, in support of custom in-house developed web applications.
NewAI/ML Software Developer CATHEXISAI/ML Software DeveloperTysons, VA$123,100–$149,800 / yearOur values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
Radio Frequency Software Engineer III VTG.Radio Frequency Software Engineer IIIHanover, MD$120,000–$270,000 / yearAs a Radio Frequency Software Developer III supporting mission-essential national security initiatives, you will design, develop, integrate, and maintain secure, high-performance software solutions that enable critical intelligence, defense, and operational missions. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
Cloud Software Engineer (Java/Kotlin), Senior Associate - TS/SCI w/poly PeratonCloud Software Engineer (Java/Kotlin), Senior Associate - TS/SCI w/polyAnnapolis Junction, Maryland$104,000–$166,000 / yearFull timeAs a Cloud Software Engineer, you will design, develop, and maintain cutting-edge applications that support intelligence operations, leveraging cloud technologies, distributed systems, and modern development frameworks. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
SR Software Engineer --TS/SCI w/poly PeratonSR Software Engineer --TS/SCI w/polyAnnapolis Junction, Maryland$176,000–$282,000 / yearFull timePeraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligibility to participate in an attractive bonus plan. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
Senior Software Developer (Red Team) Oak Grove Technologies, LlcSenior Software Developer (Red Team)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). If you are a highly motivated Red Team Senior Software Developer and ready to apply your expertise in a high-impact role, we encourage you to join our mission in supporting national security efforts while working with cutting-edge technologies.
Developer and Test Engineer - Task Lead Magnus Management Group LLCDeveloper and Test Engineer - Task LeadWashington, DCRemoteFull timeWe are seeking a Senior Software Developer / Developer & Test Engineer Task Lead with 7+ years of experience supporting enterprise application development, testing, release management, and Operations & Maintenance (O&M) activities. The ideal candidate will lead software releases, oversee daily O&M activities, manage testing efforts, and serve as the primary liaison between the technical team and the Government Program Manager.
Python Developer - Clearance Required ICFPython Developer - Clearance RequiredAdelphi, MarylandPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. This work will include developing cyber defenses, supporting physical and network simulation of UAV/UGV platforms, and evaluating the resilience platforms in simulated tactical scenarios and field tests.