Software Engineer III - Back End (Library of Congress) Ad HocSoftware Engineer III - Back End (Library of Congress)Mc Lean, VARemote$100,000–$105,000 / 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. In support of various state and city equal pay transparency laws, Ad Hoc job descriptions feature the starting range we reasonably expect to pay to candidates who would join our team with little to no need for training on the responsibilities we've outlined above.
Senior Data Engineer (5307) SMXSenior Data Engineer (5307)Arlington, VA$125,000–$180,000 / yearThe ideal candidate will bring strong hands-on experience developing production data pipelines, data models, and analytics solutions using Palantir Foundry, Databricks, or similar modern data platforms. The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications.
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.
Fullstack Engineer- Java, Angular, AWS ConsultNetFullstack Engineer- Java, Angular, AWSRockville, 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. We are seeking a Senior Full Stack Engineer to design and build scalable applications that support complex, data-driven workflows in a highly regulated environment.
ME00622-Software Engineer 1 Momentum Engineering OpeningsME00622-Software Engineer 1Annapolis JunctionBachelor's degree in Computer Science or a related technical discipline from an accredited college or university Four (4) additional years of directly related Software Engineering experience may be substituted in lieu of the degree requirement. The ideal candidate is a motivated software engineer with experience developing secure, scalable applications, collaborating directly with customers to refine requirements, and contributing throughout the full software development lifecycle.
Java Software Engineer – Spring Boot & Kubernetes LeidosJava Software Engineer – Spring Boot & KubernetesAnnapolis Junction, MarylandThis is an exciting opportunity to help transform a traditional Java application into a modern architecture utilizing Spring Boot, Angular, Docker, Kubernetes, RESTful APIs, relational databases, and modern DevSecOps practices . July 31, 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.
Senior Java Software Engineer LeidosSenior Java Software EngineerAnnapolis Junction, MarylandWorking alongside experienced software engineers, you'll develop Spring Boot services, build RESTful APIs, optimize relational databases, and contribute to Kubernetes deployments and CI/CD automation. If you're passionate about backend engineering, modern Java development, scalable architectures, and continuous improvement, you'll find challenging technical work, a collaborative engineering culture, and the opportunity to make a meaningful impact.
AI & Decision Engineer Johns Hopkins Applied Physics LaboratoryAI & Decision EngineerLaurel, MarylandFull timeDescription: The Systems Performance Analysis Group (KBS) at the Johns Hopkins University Applied Physics Laboratory is seeking a Generative AI & Decision Engineer to design, build, and deploy AI-enabled analytical and decision-support applications for Naval and Air Force sponsors. Design, implement, and manage RAG pipelines using vector databases and frameworks to integrate relevant documentation, prior analytical results, and large information repositories into LLM decision-making.
Software Engineer (TS/SCI cleared) Johns Hopkins Applied Physics LaboratorySoftware Engineer (TS/SCI cleared)Laurel, MarylandFull timeExperience with relational databases (Microsoft SQL Server, MySQL, Postgres, SQL etc.) and non-relational databases (MongoDB, CouchDB, HBase etc.) in the areas of query optimization, database design, and scalability. The Threat Analytic Systems (QAI) Group wants talented staff who can work as part of a team to design, implement, test, document, and maintain software applications that provide highly impactful capabilities.
Software Engineer Johns Hopkins Applied Physics LaboratorySoftware EngineerLaurel, MarylandFull timeExperience with relational databases (Microsoft SQL Server, MySQL, Postgres, SQL etc.) and non-relational databases (MongoDB, CouchDB, HBase etc.) in the areas of query optimization, database design, and scalability. The Threat Analytic Systems (QAI) Group wants talented staff who can work as part of a team to design, implement, test, document, and maintain software applications that provide highly impactful capabilities.
Cloud Network Security Engineer (Job 1393) DLH Holdings Corp.Cloud Network Security Engineer (Job 1393)Bethesda, MD$150,000–$158,000 / yearBachelor's degree in computer science, engineering, or a related field or an equivalent combination of education and experience and appropriate technical certifications, with at least twelve (12) years of experience in information technology and (4) years leading or performing systems engineering or related functions. Support a federal healthcare enterprise environment by collaborating with and providing support to other IT Operational Service Areas (Server/Storage, Network, Service Desk, Application Development) in the design, development, and testing of solutions, as well as diagnosing, troubleshooting, and remediation of issues.
US Military Skillbridge Internship (Software Engineer)_Arlington, VA Black CapeUS Military Skillbridge Internship (Software Engineer)_Arlington, VAArlington, VARemoteTechnical degrees are preferred (e.g., Computer Science, Electrical Engineering, Mechanical Engineering, Mathematics, Physics, Computer Information Systems, etc.).We know this is a Skillbridge internship program that bridges the gap from your military training to practical application in the civilian technical world, but we have found that candidates with three to six months (or more) of technical experience usually thrive best in our program. This company model combines lessons learned from developing and deploying multiple applications to production on JWICS and Amazon Web Services (AWS) with commercial best practices in DevOps and Agile development.
ME00621-Software Engineer 1 Momentum Engineering OpeningsME00621-Software Engineer 1Annapolis JunctionBachelor's degree in Computer Science or a related technical discipline from an accredited college or university Four (4) additional years of directly related Software Engineering experience may be substituted in lieu of the degree requirement. This role requires experience developing secure, scalable software solutions while integrating advanced software security techniques to strengthen application resilience and mitigate cybersecurity risks.
Senior Software Engineer - JobID-0208 Innovative Defense TechnologiesSenior Software Engineer - JobID-0208Arlington, Virginia$135,000–$273,000 / yearAssure Quality: Maintains a focus on quality that produces deliverables that meet objectives and align needs, uses, and acceptance requirements set forth by relevant stakeholders Lead design and code reviews, providing constructive feedback to peers. About The Role: Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Senior Software Engineer to be part of our Engineering team and based out of our Arlington, VA or Mount Laurel NJ location.
Software Engineer - JobID-0207 Innovative Defense TechnologiesSoftware Engineer - JobID-0207Arlington, Virginia$90,000–$184,000 / yearAssure Quality: Maintains a focus on quality that produces deliverables that meet objectives and align needs, uses, and acceptance requirements set forth by relevant stakeholders Participate in and provide feedback in design and code reviews. About the Role: Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Software Engineer to be part of our Engineering team and based out of our Arlington, VA, Mount Laurel, NJ, or San Diego, CA location.
Senior Full-Stack Software Engineer – Back-End Focused Stand TogetherSenior Full-Stack Software Engineer – Back-End FocusedArlington, VirginiaIn 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 .
Principal Engineer, AI Factory Banyan SoftwarePrincipal Engineer, AI FactoryWashingtonProblem Solving: Apply strong analytical and structured problem-solving skills including technical problem definition, functional decomposition, and hypothesis-driven investigation to resolve complex engineering and operational challenges, with the ability to make confident technical decisions when problems or solutions are not well-defined (ambiguity). AI Automation System Development: Design, build, and deploy the core AI-enabled software development automation tools and services (e.g., custom agents, GenAI integrations) with a keen focus on legacy software analysis, requirement extraction, and architectural discovery leveraging multi-modal GenAI capabilities.
ETL Data Engineer Booz Allen Hamilton Inc.ETL Data EngineerMclean, VA$62,000–$141,000 / 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 a data engineer with the software engineering skills it takes to help identify potential risks, contribute to solution development, and create automated, efficient, and effective systems for our clients.
AWS DevOps Engineer Booz Allen HamiltonAWS DevOps EngineerSpringfield, Virginia$77,600–$176,000 / yearAWS DevOps Engineer The Opportunity: As a DevOps engineer, you know how to set up cloud environments and provision computer networking, storage, and virtual networks—ultimately, how to “harness the cloud.” 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.
Senior AI Engineer (SWE-3) LeidosSenior AI Engineer (SWE-3)Linthicum Heights, MarylandMission Focus : Collaborate closely with technical leadership to design, develop, and maintain LLM orchestration frameworks that coordinate static analyzers, retrieval-augmented generation (RAG) systems, and automated testing pipelines. Seeking a motivated Senior AI Engineer with a proven track record in software engineering and deep understanding of Artificial Intelligence/Machine Learning (AI/ML) techniques to support the exciting new AI and Emerging Technologies (AI&ET) mission.