Agentic AI Engineer / AI Developer (with Business Intelligence & Reporting) Iconma LLCAgentic AI Engineer / AI Developer (with Business Intelligence & Reporting)Reston, VAThis version positions the role as a hybrid AI Engineer + Business Intelligence Developer, to build AI solutions while also delivering executive reporting, KPI dashboards, and measurable business outcomes. 3+ years of experience building production-level AI or ML systems, including LLMs, AI agents, or complex automation frameworks.[KN1.1].
Senior CNO Developer - Wireless Systems Two Six Technologies IncSenior CNO Developer - Wireless SystemsArlington, VA$143,763–$215,644 / yearTwo Six Technologies is seeking a Senior CNO Developer to join our communications systems team supporting an advanced telecommunications research and cyber capability development program. The team is now focused on leveraging that research to perform advanced reverse engineering and vulnerability research, as well as to develop operational tools and capabilities that can be deployed in complex, real-world environments.
Software Developer - Multiple Levels - TS/SCI Poly Required Leidos Holdings IncSoftware Developer - Multiple Levels - TS/SCI Poly RequiredReston, VA$87,100–$157,450 / yearAdditional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. 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.
Software Developer - Multiple Levels - Ts/Sci Poly Required Leidos Holdings Inc.Software Developer - Multiple Levels - Ts/Sci Poly RequiredReston, VA$87,100–$157,450 / yearAdditional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. 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.
Software Developer - Multiple Levels - TS/SCI Poly Required LeidosSoftware Developer - Multiple Levels - TS/SCI Poly RequiredReston, Virginia$87,100–$157,450 / yearMay 6, 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Junior Software Developer (Backend Focused) Bigbear.aiJunior Software Developer (Backend Focused)Annapolis Junction, MarylandFull timeWe are looking for a talented Junior Software Developer Engineer with an active TS/SCI with poly clearance to join a fast moving, highly collaborative team supporting a critical microservice ecosystem. Collaborate on Design: Work hand-in-hand with the Technical Lead to make key architectural decisions, solve complex design problems, and shape the product roadmap.
Senior Analytic Developer (SWE-3) LeidosSenior Analytic Developer (SWE-3)MarylandOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. The developer will partner with analysts, mission stakeholders, and fellow developers to create and evolve analytic capabilities that help identify targets, behaviors, and emerging discovery opportunities.
Full Stack Developer Bridge DefenseFull Stack DeveloperWashingtonSolid written and verbal communication skills to negotiate direction, drive projects and projects to successful conclusion and deliver knowledge to team members verbally and via clear designs, runbooks and technical engineering and exchange sessions. Working knowledge with software platforms and services, such as, Docker, Kubernetes, JMS/SQS/SNS, Kafka, AWS Lambda, NiFi, Working knowledge with public keys and digital certificates.
Full Stack Developer - Python/Django AriadneFull Stack Developer - Python/DjangoBethesda, MarylandNCBI’s wide range of applications, platforms (Node, Python, Django, C++, you name it) and environments (big data [petabytes], machine learning, multiple clouds) serve more users than almost any other US Government Agency according to https://analytics.usa.gov/ . NCBI is the world’s premier biomedical center hosting over six million daily users that seek research, clinical, genetic, and other information that directly impacts biomedical research and public health – at NCBI you can literally help to accelerate cures for diseases!
Senior AI Developer Select Source SolutionsSenior AI DeveloperGreenbelt, MDYou should understand how to connect models with enterprise data and applications, build secure APIs and workflows around them, evaluate output quality, and deploy AI capabilities that can be reliably operated in production. The Senior AI Developer will build solutions involving generative AI, large language models, retrieval-augmented generation, AI agents, APIs, knowledge systems, and cloud-based AI services.
UI/UX developer - Python/Django AriadneUI/UX developer - Python/DjangoBethesda, MarylandThe developer will need to become familiar with NCBI web/application architecture patterns, produce CSS supplements to augment existing templates and USWDS CSS templates and produce documentation detailing the applications user workflow. UI / UX Developer will work as part of the development team to develop and implement new Python and Django UI components and user facing applications defined by the design team into the development, testing, and production environments for the product.
Java Web Application Developer LeidosJava Web Application DeveloperAlexandria, VirginiaRemoteSeptember 15, 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. The Java Web Application Developer will work within a team of engineers and developers to design, build, test and maintain web applications that provide key capabilities for our enclaves.
Software Developer 2 Lentech Inc.Software Developer 2Annapolis Junction, MD$204,860–$218,782 / yearLentech’s clients achieve full life-cycle support and cost-effective managed services supporting enterprise computing and applications initiatives for Government agencies. Lentech’s Mission Technical Solutions Division is focused on providing engineering, operations, I&T and technical services to civil and defense customers primarily in the aerospace fields.
Lead Software Developer 3 Lentech Inc.Lead Software Developer 3Fort Meade, MDFull timeExperience in software development with basic programming languages, technologies, tools, or web development stacks, and Java and JavaScript in a Linux environment; Experience writing source code for new applications or generating and enhancing code samples for existing applications; Experience using back-end and front-end languages to develop complete solutions; Experience designing, modifying, developing, writing, and implementing software programming applications using agile methods; Experience creating solutions to complex problems within a collaborative, cross-functional team; Preferred: Experience with Java libraries to include MongoDB, Spring, and OSGi; Experience with Perl, Python, Lua and NGINX; Education : Bachelor’s degree in Computer Science . Lentech’s Mission Technical Solutions Division is focused on providing engineering, operations, I&T and technical services to civil and defense customers primarily in the aerospace fields.
Junior Software Developer (Backend Focused) BigBear.aiJunior Software Developer (Backend Focused)Annapolis Junction, MDWe are looking for a talented Junior Software Developer Engineer with an active TS/SCI with poly clearance to join a fast moving, highly collaborative team supporting a critical microservice ecosystem. Collaborate on Design: Work hand-in-hand with the Technical Lead to make key architectural decisions, solve complex design problems, and shape the product roadmap.
Senior Developer Workspace Engineer MindlanceSenior Developer Workspace EngineerMcLean, VAAdvanced Proficiency in Python and Java Advanced Familiarity with JavaScript Intermediate End-User Technology Desktop provisioning and software distribution expertise Advanced Experience with SCCM, VDI, or similar technologies Advanced Technical Evangelism Ability to advocate for best practices and innovative solutions Advanced Strong communication skills to influence and educate developers Advanced Networking Understanding of cloud and on-prem networking concepts Intermediate Risk & Governance Familiarity with audit and risk management practices Intermediate AI Integration Experience with integrating AI/ML capabilities into cloud solutions. Position Overview: The Senior Developer Workspace Engineer is a multifaceted role combining Development expertise, end-user technology proficiency, and technical evangelism.
Senior CNO Developer - Wireless Systems Twosix TechnologiesSenior CNO Developer - Wireless SystemsArlington, VATwo Six Technologies is seeking a Senior CNO Developer to join our communications systems team supporting an advanced telecommunications research and cyber capability development program. The team is now focused on leveraging that research to perform advanced reverse engineering and vulnerability research, as well as to develop operational tools and capabilities that can be deployed in complex, real-world environments.
Web Application Developer with Polygraph CACI International IncWeb Application Developer with PolygraphHerndon, VA$120,800–$265,800 / yearPay Range: There are a host of 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. The Opportunity: CACI is seeking a Web Application Developer who will support our customer's go-to product for a high-profile delivery function and will provide the opportunity of experience with innovative and cross-fabric digital solutions.
Mobile Application Developer ManTech International CorpMobile Application DeveloperAshburn, VA$114,600–$190,200 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
Senior Developer Workspace Engineer ICONMA, LLCSenior Developer Workspace EngineerMcLean, VA$80.27 / hourSkill Category Required Skills Proficiency Level Development Understanding of container creation, usage and management Advanced Proficiency in Python and Java Advanced Familiarity with JavaScript Intermediate End-User Technology Desktop provisioning and software distribution expertise Advanced Experience with SCCM, VDI, or similar technologies Advanced Technical Evangelism Ability to advocate for best practices and innovative solutions Advanced Strong communication skills to influence and educate developers Advanced Networking Understanding of cloud and on-prem networking concepts Intermediate Risk & Governance Familiarity with audit and risk management practices Intermediate AI Integration Experience with integrating AI/ML capabilities into cloud solutions Intermediate Understanding of Generative AI concepts and applications Intermediate . Position Overview: The Senior Developer Workspace Engineer is a multifaceted role combining Development expertise, end-user technology proficiency, and technical evangelism.