CNO Developer Redhorse CorporationCNO DeveloperHerndon, VAWe’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. We encourage all candidates who meet the basic requirements to apply, even if you do not have any of the following experience: Experience with network protocol analysis and static/dynamic malware analysis on mobile platforms (iOS/Android).
Senior Software Engineer / Data Scientist (Training Systems) Leidos Holdings Inc.Senior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$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.
Software Engineer TS/SCI Polygraph LeidosSoftware Engineer TS/SCI PolygraphAnnapolis Junction, MarylandShe/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must 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.
Senior Manager, Software Engineer HITT ContractingSenior Manager, Software EngineerFalls Church, Virginia$120,000–$175,000Reporting to the Head of Software Engineering, the Principal Software Engineer sets the technical direction for how software gets built at HITT - architecting the practice's first AI-native applications, establishing the platform and paved-road tooling every team will use, and writing production code every day alongside AI coding agents. The Principal Software Engineer will help recruit engineers into a lean, agile, AI-augmented team and will train HITT's existing developers in AI-enabled methods - through pairing, code review, workshops, and reference implementations - raising the technical bar for the entire practice.
Software Engineer TS/SCI Poly LeidosSoftware Engineer TS/SCI PolyAnnapolis Junction, Maryland$87,100–$157,450 / yearShe/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must 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.
OpenText Content Server Developer Booz Allen HamiltonOpenText Content Server DeveloperRockville, MarylandOnsite : 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Back End Developer Booz Allen HamiltonBack End DeveloperMcLean, VirginiaOnsite : 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Embedded Developer Booz Allen HamiltonEmbedded DeveloperAnnapolis Junction, MarylandOnsite : 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Opentext Content Server Developer Booz Allen Hamilton Inc.Opentext Content Server DeveloperRockville, MD$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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Senior Cloud Software Engineer GliaCell TechnologiesSenior Cloud Software EngineerAnnapolis Junction, 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. Collaborate with customer teams to understand direct mission needs and requirements; devise strategies to extract meaning and value from structured and unstructured data; and collaborate with customer teams to understand mission needs.
Mid-Level Software Engineer (Partial Telework) GliaCell TechnologiesMid-Level Software Engineer (Partial Telework)Linthicum Heights, 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. As part of the Secure the Enterprise initiative, develop capabilities to shift from the current manual system security evaluation and authorization process to a new model that emphasizes automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering across the entire life cycle of a project.
Data Scientist / Software Engineer CymertekData Scientist / Software EngineerReston, VirginiaData Engineer, Machine Learning Engineer, Software Engineer, Data Analyst, Research Scientist, Artificial Intelligence Engineer, Data Architect, Data Science Developer, Business Intelligence Engineer, Computational Scientist, ect. Computer Science, Data Science, Software Engineering, Artificial Intelligence, Applied Mathematics, Statistics, Information Technology, Computational Science, Electrical Engineering, Machine Learning, ect.
Cloud Software Engineer GliaCell TechnologiesCloud Software EngineerAnnapolis Junction, MD$180,000–$230,000 / yearWe 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. o AWS Certified Developer-Associateo AWS DevOps Engineer Professionalo Certified Kubernetes Application Developer (CKAD)o Elastic Certified Engineer(Possession of a Cloud Developer certification is required and will be verified as part of the interview or offer process.).
Software Engineer (Java, MASH, Linux) CymertekSoftware Engineer (Java, MASH, Linux)Reston, VirginiaComputer Science, Software Engineering, Information Technology, Computer Engineering, Systems Engineering, Applied Mathematics, Data Science, Information Systems, Network Engineering, Cybersecurity, etc. Software Engineer, Java Developer, Linux Developer, Middleware Engineer, Systems Engineer, Backend Developer, Full Stack Developer, Application Developer, Java Software Engineer, MASH Developer, etc.
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.
Enterprise - Software Test Engineer - Automation, Python Erias VenturesEnterprise - Software Test Engineer - Automation, PythonColumbia, MarylandRequired skills: Experience required to support Information Assurance: Quality Assurance: Nosetest, rcptt, Test automation development, performance/load/stress testing, User interface testing, Security testing, Code coverage tools, Systems integration testing, Data interface testing, Eclipse, ESB, CORBA, or ICE, JIRA or Git and JBuilder or Eclipse. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
NewFull Stack Developer NorthrampFull Stack DeveloperWashington, District of ColumbiaRemoteThe Full Stack Developer will collaborate closely with software engineers, cloud architects, data engineers, DevSecOps professionals, product owners, quality engineers, and security teams to develop and deliver secure, reliable applications within a modern Agile environment. Partner with developers, quality engineers, security teams, data engineers, and DevSecOps professionals to resolve technical challenges and deliver integrated solutions.
Senior Ontology Developer (TS/SCI) MaxaarSenior Ontology Developer (TS/SCI)Herndon, VirginiaWorking within an Agile DevSecOps environment, the Senior Developer collaborates with ontology engineers, software engineers, database engineers, data engineers, and Government stakeholders to deliver high-quality software that supports operational mission requirements. This position develops application services, APIs, user interfaces, and backend components that leverage enterprise ontologies, knowledge graphs, and Semantic Web technologies to support data interoperability and mission workflows.
Senior Ontology Developer (TS/SCI) Vantor ServicesSenior Ontology Developer (TS/SCI)Herndon, VirginiaWorking within an Agile DevSecOps environment, the Senior Developer collaborates with ontology engineers, software engineers, database engineers, data engineers, and Government stakeholders to deliver high-quality software that supports operational mission requirements. This position develops application services, APIs, user interfaces, and backend components that leverage enterprise ontologies, knowledge graphs, and Semantic Web technologies to support data interoperability and mission workflows.
NewSenior Software Engineer ICONMA, LLCSenior Software EngineerReston, VA$76.06–$81.06 / hourPerforms software testing including developing and running automated unit tests, drafting, and executing structured automated test cases. The incumbent is required to immediately disclose any debarment, exclusion, or other event that makes them ineligible to perform work directly or indirectly on Federal health care programs.