Senior Software Engineer iDirect GOVERNMENTSenior Software EngineerHerndon, Virginia$125,156–$159,370 / yearFull timeiDirect Government’s specialized technology includes transmission security (TRANSEC), Communication Signal Interference Removal (CSIR) anti-jam technology and Open Antenna Modem Interface Protocol (OpenAMIP). Overview: iDirectGov's hubs, satellite routers and network management software address the growing complexity of deploying and managing global IP networks.
Senior Full Stack Software Engineer Fannie Mae CorpSenior Full Stack Software EngineerReston, VA$123,000–$161,000 / yearThis Senior Full Stack Software Engineer role will offer you the flexibility to make each day your own, while working alongside people who care so that you can deliver on the following responsibilities: Build and support full-stack applications using Microsoft. You will collaborate with teammates to deliver application enhancements, develop and maintain database solutions, contribute to application modernization efforts, remediate application vulnerabilities, and support production issues and releases.
Full Stack Software Engineer PerformYardFull Stack Software EngineerArlington, VARemoteEvery Software Engineer at PerformYard will collaborate with our development team and corporate leadership to deliver innovative new features for our SaaS employee performance platform, transforming high-level specifications into scalable, efficient and easy-to-use features. As a Full-Stack Software Engineer, you will innovate, design, and develop end-to-end product capabilities that stretch from our React-based frontend to our NodeJS/Python/MongoDB/Docker backend.
NewLead Senior Software Engineer - Full Stack (Library of Congress) Ad HocLead Senior Software Engineer - Full Stack (Library of Congress)Mc Lean, VARemote$130,000–$142,000 / yearWe partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact. To be considered for this Key Personnel position, candidates must meet all of the following requirements: Experience: Minimum 5 years of hands-on experience in information system design, complex software development, and application programming on large-scale database management systems.
Software Developer 703 Freedom Technology Solutions GroupSoftware Developer 703Herndon, VirginiaExamples include JavaScript, Java; ASP.NET; Scripting languages (Perl, PHP, Ruby on Rails); and Rich UI Plugins (Flex, Silverlight, Google Earth Plugin). Ability to translate user requirements into end-to-end design for applications/databases that may involve multiple interfaces to other applications or supporting database systems.
Software Engineer, Space ANDURIL INDUSTRIESSoftware Engineer, SpaceChantilly, VA$166,000–$220,000 / yearThe engineering team as a whole must span the capabilities of deeply embedded software design, implementation, and debugging, including data protocols, RF communication, machine learning, computer vision, and implementing control algorithms in a computationally-restricted environment; host side software for user interfaces, equipment interfaces, machine-to-machine communication, data analysis, display, compression and extraction to human-useable forms; and interfacing with existing Command and Control software and databases to integrate the spacecraft systems in a simple fashion. Working across product, engineering, sales, logistics, operations, and mission success, the Space Special Programs team develops, tests, deploys, and operates new, unique, space capabilities to drive mission success in challenging operational environments.
AI Software Engineer Dark Wolf SolutionsAI Software EngineerChantilly/Herndon, VA$120,000–$160,000 / yearEnsure all AI models, APIs, and data storage solutions strictly adhere to DoD security regulations (e.g., NIST, FedRAMP, Risk Management Framework) across multiple classification levels. NLP & LLMs: Hands-on experience fine-tuning, evaluating, and deploying open-source and proprietary LLMs, embedding models, and vector databases (e.g., Pinecone, Milvus, Qdrant, FAISS).
Software Engineer SME (ServiceNow) VTGSoftware Engineer SME (ServiceNow)Dulles, VirginiaFull timeThe ideal candidate will design, develop, configure, and maintain ServiceNow applications and modules, ensuring platform stability, scalability, and continuous enhancement across multiple enterprise tenants. Overview: We are seeking an experienced Software Engineer SME to support a mission-focused government program delivering enterprise ServiceNow platform engineering services.
Senior Software Engineer TLA-LLCSenior Software EngineerMcLean, VirginiaFor an impactful career doing meaningful work, we are The Logical Answer in a world where being a consultant often feels like you’re a commodity, TLA provides a refreshing culture of inclusion, a direct line to leadership, and a family feel where our teammates are valued for. In this role, you’ll contribute to the full software lifecycle—from architecture and development to testing and deployment—across both commercial and government cloud environments operating at multiple security levels.
Software Engineer (Virginia) Kestrel IntelligenceSoftware Engineer (Virginia)Crystal City, VirginiaCore Responsibilities: - Design and deploy our infrastructure using Terraform - Lead the deployment of Python-based APIs to cloud environments - Experience with large-scale infrastructure architecture - Establish infrastructure best practices from the ground up, including: Environment separation (dev / staging / prod); Secure networking, IAM, and secrets management; Logging, monitoring, and alerting Design and maintain CI/CD pipelines using GitHub Actions - Apply prior AWS GovCloud and DoD IL experience to ensure: Compliance-ready infrastructure; Architecture choices that will not block future government deployments - Design infrastructure and deployment patterns that support multi-cloud environments, including: Cloud-agnostic Terraform module design where practical; Minimizing provider lock-in for core services; Supporting future deployments across commercial cloud and GovCloud environments - Plan and advise on future AWS GovCloud and DoD IL deployments, even if those environments are not immediately live - Identify and mitigate infrastructure and compliance risks early Bonus: - Strong software engineering background is a plus, particularly: API development; Distributed or service-oriented systems; Prior experience designing or operating multi-cloud environments is a plus - Based in the Colorado Springs, CO or Washington, DC (working in customer sites in Crystal City, VA and Herndon, VA) areas - Active Top Secret // Specially Compartmented Information (TS//SCI) clearance with counterintelligence-scope polygraph (CSP) or full-scope polygraph (FSP) Must be a US Citizen We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. The Role As a Kestrel Software Engineer, you will lead the development of CI/CD artifacts, data structures, data processing pipelines, components of an agentic AI architecture, and user interface components.
Sr. Software Engineer VTGSr. Software EngineerHerndon, VirginiaFull timeThe position requires strong full‑stack development experience, solid understanding of modern development practices, and the ability to deliver reliable software in a fast‑paced environment. Overview: The Software Engineer will work as part of an agile development team to design, develop, test, and maintain applications supporting customer requirements.
Senior Software Engineer UnissantSenior Software EngineerAshburn, VARemoteFull timeCommunication Skills:Excellent verbal and written communication skills, with the ability to explain architecture, technical risks, accessibility considerations, and solution tradeoffs to technical and nontechnical audiences. Build user interfaces, APIs, middleware, data services, and back-end components for RAG/chatbot, document-processing, predictive-analytics, and enterprise-automation solutions.
Cross-Domain Software Developer CymertekCross-Domain Software DeveloperReston, VirginiaCross-Domain Solutions Developer, Secure Data Transfer Developer, Information Assurance Developer, Software Security Engineer, Cybersecurity Software Developer, Secure Systems Developer, Data Protection Software Engineer, Network Security Developer, Cross-Domain Architect, Secure Application Developer, Secure Integration Engineer, Software Developer for Classified Systems, Secure Communication Systems Developer, Information Security Software Engineer, Secure Systems Analyst, Cross-Domain Interface Developer, Secure Middleware Developer, Secure Systems Programmer, Embedded Systems Security Developer, etc. Computer Science, Software Engineering, Cybersecurity, Information Technology, Information Systems, Computer Engineering, Systems Engineering, Network Engineering, Applied Mathematics, Data Science, Information Assurance, Cryptography, Digital Forensics, Telecommunications, Artificial Intelligence, Secure Communications, Electrical Engineering, Computational Science, Secure Software Development, Embedded Systems Engineering, etc.
Quality Assurance Senior Software Engineer Redhorse CorporationQuality Assurance Senior Software EngineerChantilly, VABy solving unusually complex technical problems and managing the Release Management process for baseline IT infrastructure, you will ensure that the products we deliver to our government partners are reliable, innovative, and mission-ready. Actual compensation will be determined based on a variety of factors, including relevant experience, education, certifications, skills, security clearance level, geographic location, market conditions, and internal equity.
Software Engineer (Mid) Vantor ServicesSoftware Engineer (Mid)Arlington, District of Columbia$113,000–$188,000 / yearDetermines computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions; designs and develops compilers and assemblers, utility programs, and operating systems. The position contributes to AI-enabled, data-driven solutions that help users work across complex datasets at scale, improve operational outcomes, and accelerate the delivery of mission-relevant applications and services.
NewSoftware Engineer (.Net) REI SystemsSoftware Engineer (.Net)Sterling, VirginiaWe take a Mindful Modernization® approach in delivering our services, including application modernization, grants management, case management systems, government data analytics, and advisory services. The ideal candidate should be comfortable managing code changes that arise during the upgrade process, while simultaneously supporting the transition from SQL Anywhere to SQL Server.
Data & Software Engineer NewGen TechnologiesData & Software EngineerMcLean, VirginiaSuccessful 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. Experience integrating Al/ML services and models (translation, OCR, speech-to-text, NLP, language detection, topic modeling), LLMs, and RAG {retrieval-augmented generation) pipelines.
Software Engineer (Java)- TS/SCI Clearance Maania Consultancy ServicesSoftware Engineer (Java)- TS/SCI ClearanceHerndon, VAFull timeWeb/automation technologies: HTML, Selenium, JavaScript, EJB, Web Services, Microservices (Docker & Kubernetes), REST, XML, UML. Deployment architectures and CI/CD pipelines using Docker, Git/JIRA, Kubernetes, Jenkins, Conductor, Kafka/Zookeeper, Consul, CMDB.
NewLead Agentic Software Engineer II Deloitte Touche Tohmatsu LtdLead Agentic Software Engineer IIVA$128,000–$252,500 / year6+ years of experience architecting, designing, building, testing, and deploying production, operational, or client-facing technology solutions in software engineering, DevOps, site reliability engineering, quality engineering, or software development life cycle (SDLC) delivery roles. Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.
Senior Software Engineer (Order And Delivery) - (10 Years Exp) UmbraSenior Software Engineer (Order And Delivery) - (10 Years Exp)Arlington, VA$180,000–$220,000 / yearUmbra’s ecosystem operates through three business units: Remote Sensing (the data), Space Systems (the components), and Mission Solutions (the platforms).Together, our teams develop capabilities that deliver persistent access, resilient performance, and mission-ready solutions, advancing U.S. space leadership while keeping the world safe and informed. About the Job We are actively seeking a highly skilled and experienced Senior Software Engineer to join our Order & Delivery team who will play a pivotal role as a key contributor to our dynamic public-facing software application and robust API services.