Mid Level Developer ActioNet IncMid Level DeveloperWashington, DCProfessional Qualifications and Skills • Bachelors degree in Computer Science, Information Technology, or a related field • 3-7 years of experience in software development or application engineering • Proficiency in programming languages such as Python, Java, or C# • Strong knowledge of software development methodologies including Agile, Scrum, or SAFe • Experience with system integration, RESTful services, and API development • Familiarity with relational or NoSQL database systems and query optimization • Strong analytical, troubleshooting, and problem-solving skills • Software development or programming certifications preferred • Familiarity with cloud-based software platforms and environments is a plus • Strong written and verbal communication skills with the ability to collaborate across teams. This role works closely with stakeholders to translate requirements into scalable and reliable software solutions while ensuring systems are optimized for performance, security, and integration with enterprise platforms.
Full Stack Software Developer Glint Tech Solutions LLCFull Stack Software DeveloperReston, VABackend: Java 17+, Spring Boot, unit/integration testing with JUnit/TestNG. A leading enterprise client is undergoing a legacy web application modernization and AWS cloud migration effort.
NewSenior Ai/Ml Software Developer (Req-278) CATHEXISSenior Ai/Ml Software Developer (Req-278)Tysons, VA$148,000–$179,000 / 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.
Back-End Developer Booz Allen HamiltonBack-End DeveloperMcLean, Virginia$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. We’re looking for an experienced back-end developer with the software engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems for our clients.
Software Developer CisiveSoftware DeveloperMarylandWin Together: We break down barriers, share knowledge, and champion teamwork across departments, brands, and global offices to achieve our collective goals. Customer Obsessed: We go beyond transactional interactions to become trusted partners in risk mitigation and workforce management.
NewApplication Developer (SWE-2) LeidosApplication Developer (SWE-2)MarylandThe software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Mission Focus : Work directly with data scientists as well as mission analysts to solve the most demanding strategic problems; perform software engineering to prototype, develop, integrate, test, deploy and maintain tools and tradecraft into the customer’s corporate architecture.
Senior Software Developer LeidosSenior Software DeveloperGaithersburg, Maryland$107,900–$195,050 / yearThis work aligns with the FAA’s broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-dependency aviation environments. Leidos is seeking Senior Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems.
Cloud Developer, Senior Booz Allen Hamilton Inc.Cloud Developer, SeniorUSA, VA$86,800–$198,000 / yearOur cloud service broker team is looking for a developer with a good understanding of Amazon Web Services (AWS) cloud infrastructure, containerization, and networking to make new cloud capabilities available in secure environments. Onsite: 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.
Application Developer BigBear.aiApplication DeveloperAnnapolis Junction, MDYou will bridge the gap between cutting edge research and real-world application, working alongside elite analysts, operators, and data scientists to deliver high-impact, scalable solutions. Collaborate Across Disciplines: Partner closely with cross-functional teams including operators, analysts, and external development shops to translate mission needs into robust software requirements.
CNO NetDev Developer 3 BigBear.aiCNO NetDev Developer 3Columbia, MDBigBear.ai is seeking a CNO NetDev Developer 3 to act as a general-purpose CNO reverse engineer for network-based devices on exciting, up-and-coming projects. Education & Experience: 12 years of experience with a B.S. or 10 years with an M.S. (4 additional years of software engineering experience may be substituted for a bachelor's degree).
Emulation Developer BigBear.aiEmulation DeveloperAnnapolis Junction, MDMinimum one (1) year experience developing Unix applications using make files or comparable build environment, developing complex programs using C, C#, C++, Java, or other comparable languages. Join a collaborative team working on high-impact projects in a fast-paced, agile environment, where your skills will directly support national security and critical operations.
Lead Developer - AI/ML Recommendation Allegis Group IncLead Developer - AI/ML RecommendationHanover, MD$101,100–$172,100 / yearWe''re looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing; the list goes on and is growing every day. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email Lauren Lara at llara@allegisgroup.com or call 410-579-3526 for other accommodation options.
Full Stack Developer BigBear.aiFull Stack DeveloperAshburn, VAAt least 5 years of Java/JEE design and software development experience including designing, developing, and documenting large-scale enterprise software systems. Excellent verbal/written communication and problem solving skills; ability to communicate information to a variety of groups at different technical skill levels.
Technical Web and Software Developers Systems Planning And Analysis, Inc.Technical Web and Software DevelopersArlington, VASPA 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. The SLA Analysis Group's mission is to deliver objective analyses, plans and strategies to US Navy, US Marine Corps, USAF, other DoD, and Australian Defence Force clients to support technology development, acquisition, delivery and sustainment decisions.
Entry Level Software Developer SkillStormEntry Level Software DeveloperWashington, DCVeterans and transitioning service members: this model - structured training, a clear mission, clearance-eligible work, relocation handled - is built for the way you already operate. You''ll spend 12 weeks in paid, hands-on training working real, team-based projects - then deploy directly to an enterprise or government client, effective day one.
Lead Salesforce Developer Macpower Digital Assets Edge Private LimitedLead Salesforce DeveloperReston, VA$160,000–$175,000 / yearMinimum Required 4 Year Experiences in : Expertise building applications on Salesforce platform specifically Service Cloud, Salesforce Communities with good understanding of Salesforce Security model; Salesforce Configuration and Customizations - Apex class, Triggers, Visualforce pages, Lightning components, Lightning Design System; Events, Process Builder, Workflows, Formulas, Flow, Assignment Rules and email Alerts etc. Strong preference for candidates who are Salesforce.com certified in the following areas: Certified Administrator, Certified Advanced Administrator, Certified Platform Developer I and Certified Platform Developer II.
Senior Full Stack Developer MindlanceSenior Full Stack DeveloperMcLean, VAWe are seeking a highly skilled and experienced Senior Full Stack Developer with expertise in Angular and Java. Develop and maintain high-quality web applications using Angular for front-end and Java for back-end services.
Developer-Full Stack Senior MindlanceDeveloper-Full Stack SeniorMcLean, VARemoteHands-on experience with multiple technologies like APIs, Microservices, Event Streaming, Logging & Monitoring, Databases (SQL, NOSQL), Containers, Serverless Frameworks, DevOps, etc. " Bachelor s degree in computer science or equivalent experience required; advanced studies/degree preferred. Our team is driving the modernization of the organization s trade data capture process by transitioning from traditional batch file transfers to contemporary, real-time data transfer methods into a bi-temporal OLTP data store.
NewFull Stack Developer - with AI LeidosFull Stack Developer - with AIAshburn, VirginiaThe Homeland Sector within Leidos is seeking a Full Stack Developer with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). August 7, 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.
Sr. Appian Software Developer LeidosSr. Appian Software DeveloperWashington DC, District of ColumbiaJune 29, 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. Experience with API development and design and development of robust system integrations (REST/SOAP APIs, microservices) connecting Appian with disparate federal agency databases and legacy systems.