Senior Software Engineer CyberMedia TechnologiesSenior Software EngineerMcLean, VADeterministic Guardrail Design: Build "Validation Services" that sit between AI outputs and core systems to enforce rigid business rules, Data-Intensive Development: Use Python and PySpark to build robust data pipelines that feed high-context information into AI models while maintaining traditional SQL-based transactional integrity. CTEC develops and delivers innovative customer-centric technologies and solutions that support the Office of Personnel Management's (OPM) Health and Insurance business unit and Office of the Chief Information Officer (OCIO).
Full Stack Software Engineer TrapWire Inc.Full Stack Software EngineerHerndon, VASubstantial experience developing AJAX-rich web applications using the technologies listed above, plus. has a great opportunity for a software engineer who is able to knock out high-quality (tested), high-performance (measured) code.
Senior Software Engineer I w/Top Secret Clearance TekSynapSenior Software Engineer I w/Top Secret ClearanceWashington, Washington, DC$130,000–$165,000 / yearFull timeAdditional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. “Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
Data & Software Engineer Avalore, LLCData & Software EngineerChantilly, VASuccessful candidate will have advanced Python programming skills, familiarity with Java, an understanding of data security, privacy, governance and compliance principles and a demonstrated history of building production data pipelines and ETL workflows at scale. Working with MySQL and PostgreSQL including performance tuning, schema design, and query optimization for complex, analytical workloads.
C++ Software Engineer (Dc, Nova) Stellar Science Ltd CoC++ Software Engineer (Dc, Nova)Tysons Corner, VAJoin our unique, collaborative team to help implement leading-edge scientific software tools in fascinating domains including space situational awareness, computer vision, directed energy, metamaterials, and biothermal modeling. Stellar Science is seeking several modern C++20/23 Software Engineers with three or more years of industry experience creating reusable, maintainable code solving challenging math and physics problems.
Full Stack Software Engineer (Remote) TrapWire Inc.Full Stack Software Engineer (Remote)Herndon, VARemoteIf you are passionate about software development and have a strong desire to join a dynamic team working to build robust tools in the National Security and other security-related realms, we encourage you to contact us and provide your resume. Substantial experience developing AJAX-rich web applications using the technologies listed above, plus.
Software Engineer Nightwing Intelligence SolutionsSoftware EngineerSterling, Virginia$99,000–$206,000 / yearOur capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.
Senior Software Engineer - Capacity Management Geico InsuranceSenior Software Engineer - Capacity ManagementBethesda, MD$75,000–$215,000 / yearThis is an opportunity for a strong software engineer who enjoys solving complex technical problems, building intuitive front-end experiences, and developing robust backend services in a collaborative environment. You will work closely with engineers, product partners, and business stakeholders to deliver scalable, reliable, and user-friendly solutions that support data-driven decision making.
Staff Software Engineer - Testing Tools And Frameworks Geico InsuranceStaff Software Engineer - Testing Tools And FrameworksBethesda, MD$105,000–$260,000 / yearUnderstanding the internals of popular test frameworks such as Pytest, Playwright, TestNG are a plus, and experience with rolling out tooling to thousands of engineers at scale is a strong differentiator. Have a deep technical understanding of test frameworks and when appropriate, develop extensions, plugins, fixtures, and other similar layers to improve the Test Framework capabilities.
Staff Software Engineer Geico InsuranceStaff Software EngineerBethesda, MD$115,000–$230,000 / yearWe are seeking an accomplished Staff Software Engineer with a proven track record in Java development, extensive experience with Spring Boot, and expertise in designing and maintaining microservice-based architectures. The ideal candidate will also bring direct, hands-on experience with Artificial Intelligence technologies such as RAG, MCP, Agent Skills, and the end-to-end delivery of Generative AI applications.
C++ Software Engineer (DC, NoVA) Stellar Science Ltd CoC++ Software Engineer (DC, NoVA)Tysons, VAJoin our unique, collaborative team to help implement leading-edge scientific software tools in fascinating domains including space situational awareness, computer vision, directed energy, metamaterials, and biothermal modeling. Stellar Science is seeking several modern C++20/23 Software Engineers with three or more years of industry experience creating reusable, maintainable code solving challenging math and physics problems.
Senior Staff Software Engineer (Backend) - Billing Platform *Hybrid* Geico InsuranceSenior Staff Software Engineer (Backend) - Billing Platform *Hybrid*Bethesda, MD$110,000–$260,000 / yearThis platform includes a comprehensive array of components such as a core billing engine, invoicing system, commissions management, collections, payment processing, CRM integration, subscription management, credit control and dunning management, along with reporting and analytics. The Billing team at GEICO oversees the tools, infrastructure, data, reporting, analytics, and services essential for delivering seamless billing experiences to internal users, end customers, and partners.
Software Engineer - Inference Visionist IncSoftware Engineer - InferenceLaurel, MD$85,000–$120,000 / 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.
Software Engineer - Platform Visionist IncSoftware Engineer - PlatformLaurel, MD$115,000–$160,000 / 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.
Senior Software Engineer - Inference Visionist IncSenior Software Engineer - InferenceLaurel, 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.
Scientific Software Engineer / Computational Physicist aqua ITScientific Software Engineer / Computational PhysicistSpringfield, VAThe ideal candidate can independently review scientific code, understand the governing physics and mathematical models, identify questionable assumptions or implementations, and develop or improve computational approaches to support ongoing R&D efforts. We are seeking a Scientific Software Engineer / Computational Physicist to support a research and development program focused on remote sensing, physics-based modeling, and scientific algorithm development.
Software Engineer NANA Regional Corporation IncSoftware EngineerAshburn, VA$110,000–$120,000 / yearTroubleshoot responsive design layouts, JavaScript/jQuery, CSS, video, podcasts, and social media feeds associated with PCD content, identifying and implementing solutions when website updates fail to integrate properly with the existing web design. Stay current with the rapidly evolving landscape of online scholarly publishing, monitoring and recommending emerging technologies to: Reduce time to publication (e.g., peer review submission systems, XML-based tools).
NewSoftware Engineer (2026-0213) Acclaim Technical ServicesSoftware Engineer (2026-0213)RestonFull timeThere are many 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. Acclaim Technical Services, founded in 2000, is a leading language and intelligence services company supporting a wide range of U.S. Federal agencies.
NewSoftware Engineer II (Mid-Level) (TS/SCI w/CI Poly Required) A&M Technologies, Inc.Software Engineer II (Mid-Level) (TS/SCI w/CI Poly Required)Suitland, MDFull timeOur comprehensive offerings include systems integration, IT security, continuity of business operations support, IT infrastructure planning, enterprise resource planning (ERP) systems support, business process automation, cloud migration, software engineering, systems engineering, and IT project management. Responsible for detailed design, documentation, coding, code optimization, unit testing, deployment, and improvements of desktop and web-based solutions on Microsoft platforms (.NET, ASP.NET, C#, etc.).
Senior Software Engineer - Platform Security F5, IncSenior Software Engineer - Platform SecurityReston, VA$179,500–$269,300 / yearF5 maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, geographic locations, and market conditions, as well as to reflect F5's differing products, industries, and lines of business. Please note that F5 only contacts candidates through F5 email address (ending with @f5.com) or auto email notification from Workday (ending with f5.com or @myworkday.com).