Senior Software Engineer / Reverse Engineer GliaCell TechnologiesSenior Software Engineer / Reverse EngineerLaurel, MDFull timeWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.
Sr. Software Engineer - Ad Tech & Distributed Systems - FreeWheel Comcast CorpSr. Software Engineer - Ad Tech & Distributed Systems - FreeWheelReston, VAThe Software Engineer will develop deep expertise in the business domain, system architecture, and application workflows to effectively troubleshoot issues, resolve complex break/fix scenarios, and proactively improve system reliability. The Sr Software Engineer - Ad Tech & Distributed Systems is responsible for the availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning for FreeWheel platforms, with a primary focus on the Streaming Hub application.
Senior Software Engineer, Public Sector Scale AI IncSenior Software Engineer, Public SectorWashington, DC$216,000–$311,000 / yearThe range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job-related skills, experience, qualifications, interview performance, and relevant education or training. The Public Sector software engineers (SWEs) create the core product building blocks forward-deployed teams use to develop agentic capabilities that function across multiple domains.
Staff Software Engineer, Public Sector Scale AI IncStaff Software Engineer, Public SectorWashington, DC$252,000–$362,000 / yearAs a Staff Software Engineer, you will orchestrate the implementation of vertical features and horizontal capabilities to include mentoring other engineers on defining requirements with stakeholders and communication tradeoffs of technical implementations on feature and capabilities until they are accepted by the stakeholders. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job-related skills, experience, qualifications, interview performance, and relevant education or training.
Principal Software Engineer Recorded FuturePrincipal Software EngineerWashington, DC$152,000–$228,500 / yearAs a Principal Software Engineer, you will work across application code and infrastructure to collect, transform, and deliver structured threat data: tracking malware infrastructure, phishing campaigns, spam networks, command-and-control systems, and more. What You'll Do: Data Pipeline Ownership: Design, build, and maintain scalable data pipelines that collect, transform, and deliver structured threat intelligence data powering the Security Intelligence Graph.
Sr. Data Science Software Engineer Staffed4USr. Data Science Software EngineerLaurel, MarylandResponsibilities include developing new methods for automating compliance functions, improving existing processes, and investigating, integrating, and testing compliance modernization Machine Learning/AI algorithms and proof-of-concepts in a research and development environment. The company offers an outstanding benefits package, values work-life balance, and provides opportunities to work on cutting-edge technologies supporting critical national security missions.
Transportation - Water Resources Engineer Whitman, Requardt & Associates, LLPTransportation - Water Resources EngineerFairfax, VA$90,000–$185,000 / yearFull timeExperience designing drainage, stormwater management systems/BMP’s, erosion and sediment pollution controls; and preparing contract documents preferred. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Backend API's and Integrations Software Engineer III RELX Group plcBackend API's and Integrations Software Engineer IIIVA$78,800–$131,300 / yearAbout the team: This team is building a generative-AI-powered clinical decision support tool designed specifically to help healthcare professionals quickly find trusted, evidence-based answers at the point of care. It combines a massive curated medical knowledge base with conversational AI so clinicians can ask questions in natural language and get concise, clinically relevant responses backed by real scientific evidence.
Software Engineer Akamai Technologies, Inc.Software EngineerWashington, DC$75,700–$136,300 / yearFor US based candidates only - the base salary for this position ranges from $75,700 - $136,300/year; a candidate’s salary is determined by various factors including, but not limited to, relevant work experience, skills, certifications and location. The Control Plane & Developer Experience team owns the API platform, developer tools, security, authentication, billing integration, and user-facing interfaces empowering developers.
Principal Software Engineer CVS Health CorpPrincipal Software EngineerDC$144,200–$288,400 / yearOperating as both a senior individual contributor and technical leader, you will partner closely with product, architecture, and engineering leadership to make pragmatic, high‑impact design decisions that balance speed, quality, and long‑term maintainability. Partner with teams and serve as subject matter expert to provide benchmarked solutions to multiple, complex technical projects/initiatives within own area of expertise and organize cross-departmental application architectural solutions.
NewSoftware Engineer Expert LeidosSoftware Engineer ExpertChantilly, VirginiaAugust 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Leidos is seeking a Software Developer for a technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management.
Senior Software Engineer (Agentic AI Platform) Staffed4USenior Software Engineer (Agentic AI Platform)Columbia, MarylandThe candidate will work closely with technical stakeholders and analysts to translate operational requirements into AI-enabled capabilities that improve automation, data processing, and system interoperability in complex environments. The selected candidate will serve as a Senior Software Engineer supporting the design, development, and sustainment of an advanced agent-based platform for intelligent and autonomous workflows.
Software Engineer - Front End Angular - TS/SCI Maania Consultancy ServicesSoftware Engineer - Front End Angular - TS/SCIHerndon, VAFull timeExperience consuming APIs (REST and/or GraphQL), handling auth/session patterns, and error states. Strong, hands-on expertise with Angular (components, modules, routing, forms, RxJS).
Frontend Software Engineer Maania Consultancy ServicesFrontend Software EngineerLaurel, MDRemoteFull timeReact, TypeScript, Cesium, Flask, FastAPI, GitLab, OpenShift, secure SDLC, and testing experience. If you're interested please share your update resume along with your yearly expected salary.
Software Engineer II Full-Stack STraffic AmericaSoftware Engineer II Full-StackVienna, VirginiaFull timeThe Software Engineer II will be responsible for designing, developing, and maintaining scalable web applications using modern technologies including React, TypeScript, Spring Boot, and PostgreSQL . This role is ideal for a full-stack developer who enjoys working across both front-end and back-end technologies, has experience with modern cloud environments, and thrives in a collaborative Agile and DevOps culture.
Staff Software Engineer - EDR Agent Go Huntress Labs IncStaff Software Engineer - EDR Agent GoDCRemoteUse AI tools to move faster and define how the team does so responsibly, what gets AI-assisted, how AI-generated code is reviewed and validated, and where the line sits, given that the endpoint agent runs with high privilege on customer machines and ships to millions of hosts. Integrate our endpoint application with our backend SaaS web application's REST APIs to manage state and provide information used for threat hunting, with particular attention to low resource usage on endpoints.
Secure Software Engineer (Ts/Sci Clearance Required) NorthHill TechnologySecure Software Engineer (Ts/Sci Clearance Required)Chantilly, VirginiaWorking closely with Cloud & DevOps Engineers, system engineers, data scientists, and Government stakeholders, the Secure Software Engineer will implement application services, user interfaces, APIs, automated testing capabilities, and data processing workflows while incorporating secure coding practices, vulnerability remediation, and cybersecurity engineering principles. The successful candidate will be part of a team to support the design, development, integration, testing, deployment, and sustainment of the enterprise IV&V platform while collaborating with Government stakeholders to evaluate existing GEOINT IV&V capabilities, implement automated verification processes, and deliver secure, scalable software solutions.
iOS Vulnerability Engineer (Software) CymertekiOS Vulnerability Engineer (Software)Reston, VirginiaiOS Vulnerability Engineer (Software), Mobile Security Engineer, Application Security Engineer, iOS Security Researcher, Software Security Analyst, Mobile App Penetration Tester, Cybersecurity Engineer, iOS Exploit Developer, Vulnerability Analyst, Secure Software Engineer, etc. Computer Science, Cybersecurity, Software Engineering, Information Technology, Computer Engineering, Information Assurance, Mobile Application Development, Data Science, Network Security, Systems Engineering, etc.
Space System Software Engineer Booz Allen Hamilton Inc.Space System Software EngineerMclean, VA$86,800–$198,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Ability to effectively communicate, work independently and collaboratively on a cross-functional team, and demonstrate initiative to complete complex tasks to achieve program goals in a fast-paced environment.
Aspiring Software Engineer Red AlphaAspiring Software EngineerColumbia, Maryland$115,000–$175,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. Experience with any of the following: Linux; Docker; AWS; Pega Systems; SAP Hana; Eclipse Rich Client Platform; AngularJS / Jquery / BackboneJS (other JS frameworks); JavaScript build frameworks (npm, nodejs, gulp, etc.); RESTful Services.
Mid-Level Software Engineer (Full-Stack) - Client Enablement BizFlowMid-Level Software Engineer (Full-Stack) - Client EnablementFalls Church, VA$75,000–$120,000 / yearMid-Level Software Engineer (Full-Stack) – Client Enablement Location: Falls Church, VA (must be on-site in office, with partial telework flexibility)Full-Time | PermanentSalary Range: $75,000.00 ~ $120,000.00Are you a fast learner who thrives in a collaborative environment and loves helping others with technology? We're seeking a Mid-Level Software Engineer (Full-Stack) for Client Enablement who’s not only tech-savvy but also passionate about providing exceptional customer support and working with various tools—including low-code/no-code platforms.
Software Engineer 2 ConsultNetSoftware Engineer 2Rockville, MDFor 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. You are committed to writing high-quality code, embracing modern development practices, and collaborating effectively with technical and business stakeholders to deliver impactful products.
Director, Head of Software Engineering HITT ContractingDirector, Head of Software EngineeringFalls Church, VA$130,000–$210,000 / yearThe Head of Software Engineering is accountable for the structure and growth of the engineering organization, the delivery of applications and platforms that serve HITT’s project teams and jobsites nationwide, and the development of a new generation of AI-enabled engineering talent — hiring builders who already work this way and training HITT’s existing developers in new methods. This is a senior leadership role for an engineering executive with a builder’s mindset: someone who has seen firsthand how agentic, AI-enabled development is changing the way software gets made — and who knows how to turn that shift into a durable advantage for one of the nation’s largest general contractors.
NewDirector, Software Engineer (Global Payment Network) Capital OneDirector, Software Engineer (Global Payment Network)McLean, VirginiaDirector, Software Engineer (Global Payment Network) s a Capital One Director of Software Engineering, you'll work on everything from customer-facing web and mobile applications using cutting-edge open source frameworks, to highly-available RESTful microservices, to back-end Java based systems and machine learning models using the hottest techniques in Big Data. The Global Payment Network (GPN) Technology organization designs, builds, and operates the mission-critical systems and infrastructure that seamlessly power complex money movement across domestic and international rails.
Lead Software Engineer (GraphQL, Java, AWS) ConsultNetLead Software Engineer (GraphQL, Java, AWS)Rockville, MDFor 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. This role focuses on technical integration architecture, GraphQL API development, and ensuring seamless connectivity between external platforms and internal systems.
Senior Software Engineer – Python, GenAI & Cloud Solutions ConsultNetSenior Software Engineer – Python, GenAI & Cloud SolutionsRockville, MDThis role will be responsible for building enterprise-grade software solutions, developing AI-powered applications and agents, integrating Large Language Models (LLMs), and driving engineering best practices across the software development lifecycle. Design and deploy solutions using AWS cloud services including Lambda, ECS, S3, API Gateway, SNS, SQS, IAM, RDS, CloudFormation, CloudFront, and Amazon Bedrock.
Sr. Software Engineer ConsultNetSr. Software EngineerRockville, MDFor 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. This role works independently to deliver scalable, high-quality applications while contributing to architectural decisions, software quality improvements, DevOps practices, and mentoring junior engineers throughout the software development lifecycle.
Senior Director, Software Engineer - Card Partnerships Capital One Financial CorpSenior Director, Software Engineer - Card PartnershipsMcLean, VA$286,200–$326,700 / yearAs a Capital One Senior Director of Software Engineering, you'll work on everything from customer-facing web and mobile applications using cutting-edge open source frameworks, to highly-available RESTful microservices, to back-end Java based systems and machine learning models using some of the hottest technologies in Cloud and AI. Bring a passion to stay on top of tech trends, experiment with and learn new technologies, participate in internal & external technology communities, and mentor other members of the engineering community.
Software Engineer III Sierra Nevada CorpSoftware Engineer IIIHerndon, VA$108,496.89–$149,183.22 / yearIMPORTANT NOTICE: To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce. As SNC''s corporate team, we provide the company and its business areas with strategic direction and business support spanning executive management, finance and accounting, operations, human resources, legal, IT, information security, facilities, marketing, and communications.
Staff Software Engineer - Full Stack Ad HocStaff Software Engineer - Full StackMc Lean, VARemote$135,000–$155,000 / yearThrough service design, product management, and modern engineering practices, we help increase the quality, reliability, and accessibility of critical government services while reducing the time Veterans spend waiting for results. We've helped build products that connect Veterans to tailored services, help millions access affordable health care, and support critical programs like Head Start.
Senior Software Engineer - Unified Video Sustainment Cubic CorpSenior Software Engineer - Unified Video SustainmentAshburn, VA$131,000–$175,000 / yearCompany Details: When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people's lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. This role is responsible for maintaining and enhancing the Unified Video ecosystem, including Feed Management Portal (FMP) and NetOps, while ensuring the platform remains secure, reliable, and scalable for mission-critical defense applications.
Full Stack Software Engineer (Node.js, Angular, AWS) ConsultNetFull Stack Software Engineer (Node.js, Angular, AWS)Rockville, MDFor 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. Build RESTful APIs and event-driven services using AWS Lambda, API Gateway, SQS, SNS, and Step Functions.
NewLead Software Engineer (Signal Processing) STRLead Software Engineer (Signal Processing)Arlington, VA$173,000–$220,000 / yearApplicable domain experience in one or more of the following areas: Electronic Warfare, Antenna Apertures, Sensor Resource Management, Large-Scale Platform Test Systems, Cyber Physical Systems, Open System Architectures (UCI, OMS, COARPS). The Systems Development Division (SDD) delivers technology advantage into users' hands by delivering capabilities focused on end-customer needs that function in operationally relevant environments and timeframes.
Lead Autonomy Software Engineer STRLead Autonomy Software EngineerWashington, DC$174,000–$225,000 / yearLeadership : lead small, focused teams to implement and test real-time applications featuring open architecture software principles, implementing real-time systems in Modern C++ from verified algorithms written in higher-level languages such as MATLAB. SAAM is developing software and hardware tools and datasets to support these analyses, including algorithms, processing chains, and scenarios to inform and deploy onto both prototype demonstration systems & operational systems.
AK - Senior Software Engineer Bonterra LLCAK - Senior Software EngineerDC$145,000–$175,000 / yearWe help power the trailblazers, campaigners, and advocates fighting up and down the ticket for equality, racial justice, reproductive freedom, democracy, climate reform, and more- including the national Democratic committees and progressive organizations, thousands of Democratic campaigns, hundreds of labor unions, advocacy organizations, progressive and non-partisan PACs, and other organizations. NGP VAN is the winningest technology platform in the history of democratic and progressive causes, working tirelessly to innovate and advance the technology our clients rely on to bolster our democracy.
Senior Staff Software Engineer, Autonomous Pilot Integration – Emerging Domains (R5398) Shield AISenior Staff Software Engineer, Autonomous Pilot Integration – Emerging Domains (R5398)Washington, DCThe Autonomous Pilot Integration team for Emerging Domains builds autonomy solutions for new platforms and mission profiles outside Shield AI's established portfolios—including space (satellites, missile defense), maritime (USV and UUV integration), and contested logistics (unmanned helicopters and related autonomous resupply platforms). #LI-ED1 #LE Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location.
Software Engineer, Platform Engineering Helsing GmbHSoftware Engineer, Platform EngineeringWashington, DCYou will design and operate cloud infrastructure, deploy and maintain shared services like GitLab, Artifactory, and CI/CD pipelines, and build internal tooling that accelerates software delivery across the organization. You will also enable product teams with their own isolated environments - provisioning cloud accounts, standing up EKS clusters, databases, and the automation to make it all self-service and efficient.
Staff Software Engineer, Perception (R5421) Shield AIStaff Software Engineer, Perception (R5421)Washington, DCLI-DS-1 #LD Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. Working at the intersection of research and production, our engineers build the data pipelines, supervised fine-tuning (SFT) workflows, evaluation frameworks, and deployment infrastructure needed to transform cutting-edge AI research into reliable, mission-ready perception capabilities.
Sr Software Engineer I Axon Enterprise IncSr Software Engineer IWashington, DC$141,000–$225,600 / yearIf you receive a suspicious offer or outreach from an email address that is not @axon.com, or if you are asked for sensitive personal information (bank details, Social Security Number) prematurely, please ignore the message and report it to recruitingops@axon.com. The actual base pay is dependent upon many factors, such as: level, function, training, transferable skills, work experience, business needs, geographic market, and often a combination of all these factors.
Mid Level Software Engineer, Full Stack and Generative AI ConsultNetMid Level Software Engineer, Full Stack and Generative AIRockville, MDFor 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. Build secure, high-performance RESTful and GraphQL APIs using modern backend frameworks such as Java/Spring Boot and Python/FastAPI.
AI Software Engineer System OneAI Software EngineerChantilly, VACore Qualifications: Requires BS degree (Computer Science, Engineering or related field) and 10+ year’s of prior relevant experience OR, MS with 7+ year’s of prior relevant experience; OR 7 years of additional experience in lieu of degree. 7+ year’s experience leading, designing and implementing distributed solutions and 5+ year’s experience with cloud-based solutions (Cloud, SOA, Web-Services) including virtualization environment, network and operating system experience.
Senior Full-Stack Software Engineer – Back-End Focused Stand TogetherSenior Full-Stack Software Engineer – Back-End FocusedArlington, Virginia$140,000–$170,000 / yearIn this role, you will combine hands-on development with architectural oversight across scalable, AWS-hosted applications, ensuring the reliability, performance, and long-term scalability of our digital ecosystem while mentoring engineers and partnering cross-functionally to deliver high-impact solutions. Stand Together is a philanthropic community that helps America’s boldest changemakers tackle the root causes of our country’s biggest problems, from education to the economy, broken communities, and toxic division, among dozens of other pressing issues .
Full Stack Software Engineer Black CapeFull Stack Software EngineerArlington, VAWe support many programs and agencies as both a prime and a subcontractor and created a strong reputation working with top tier partners doing work for all major Intelligence Community agencies, DoW, and Special Operations customers. Black Cape’s approach to solution development combines lessons learned from developing and deploying applications to customer cloud environments with industry best practices in Agile development and DevOps.
Software Engineer/Data Manager Jasint Consulting And Technologies, LlcSoftware Engineer/Data ManagerAlexandria, VAWhat you will be doing: The Software Engineer/Data Manager shall provide data management support and design/create software prototypes, perform code reviews, and interface with the System Security Engineering (ISSE). Minimum Requirements: Education/Experience: A Bachelor or Master's degree with 8+ years of subject matter experience, or, specialized training and 10+ years' experience, or, equivalent intelligence/academic experience.
Software Engineer Endurance IT ServicesSoftware EngineerReston, VirginiaThis hands-on role combines Dynamics 365 CRM expertise with full-stack software engineering, requiring ownership of solution design, development, integrations, and production support across enterprise platforms. You'll join a small, agile team focused on building and supporting scalable solutions that power Marketing, Sales, and Customer Service operations.
Software Engineer Hire HangarSoftware EngineerColumbia, MarylandThis role sits at the intersection of backend data infrastructure and front-end visualization, supporting a product that ingests high-volume social and web data in real time and visualizes complex network relationships. The ideal candidate is comfortable working across graph databases, streaming data pipelines, and modern front-end frameworks, and thrives in a fast-moving, early-stage engineering environment.
Software Engineer (Java, OpenFGA) Agile DefenseSoftware Engineer (Java, OpenFGA)Rosslyn, VirginiaFamiliarity with frameworks and tools like Django, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, and LiteLLM will be highly advantageous as you design and implement scalable, observable, and secure solutions. You will be responsible for building and maintaining microservices that integrate seamlessly with cloud-native platforms, ensuring continuous monitoring and high reliability across all operational workflows.
Senior Software Engineer :: Bethesda, MD (Remote) ARK Solutions, Inc.Senior Software Engineer :: Bethesda, MD (Remote)Bethesda, MDRemoteMinimum 7 years of experience in designing, developing, and supporting enterprise applications in Linux, Windows, Mobile, COTS, and/or cloud-based environments. You'll design, develop, and enhance applications within the Associate App ecosystem, ensuring scalable, secure, and reliable technology solutions.
Software Engineer - JobID-0198 INNOVATIVE DEFENSE TECHNOLOGIESSoftware Engineer - JobID-0198Arlington, VA$74,000–$184,000 / yearThe Software Engineer will be part of a multi-discipline team focused on the DOW's initiatives in support of tactical capability development for Navy surface and unmanned (UxVs) platforms and will be directly responsible for the architecting and refactoring of mission critical legacy weapons system software into a modern software technology stack where the target end state will ensure the highest impact to the US Navy by enabling a microservices based tactical platform within both a cloud-native and tactical-edge deployment model. Warfare Systems' project domains include real-time automated test and analysis, virtual computing environments, Artificial Intelligence (AI) & Machine Learning (ML) based data analytics, cybersecurity, as well as backfit and forward-fit tactical solutions.
Senior Spacecraft Flight Software Engineer HawkEye 360 IncSenior Spacecraft Flight Software EngineerHerndon, VA$130,000–$175,000 / yearYour main responsibilities will be: Design and implement flight software in C/C++ for critical spacecraft functions including radio communications, onboard computer (OBC) systems, telemetry, command handling, payload tasking, and autonomous fault protection. Reporting to the Spacecraft Bus Lead, you''ll contribute to critical spacecraft systems including on-board computer flight software (OBC FSW), radio communications, command & telemetry, and payload operations.