NewApplications Developer II Solutions³ LLCApplications Developer IIArlington, VAFull timeDesired Skills : Experience with two or more of the following: Python, JSON, Data Analytics, MongoDB, MinIO, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, OpenShift, AWS, View Jazz Framework, Process Automation, Terraform, CI/CD knowledge. Solutions 3 LLC is supporting a U.S. Government Prime Contractor and its customer on a large mission critical development and sustainment program to design, build, deliver, and operate a network operations environment, including introducing new cyber capabilities to address emerging threats.
NewSenior .NET Developer Revolutional, LLCSenior .NET DeveloperWashington, DC$115,000–$130,000 / yearExperience designing and building solutions using modern AI services and platforms, with a strong preference for candidates familiar with Microsoft AI offerings (e.g., Azure AI Services, Azure OpenAI), Microsoft Foundry, and Python. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
Palantir Developer GuidehousePalantir DeveloperTysons Corner, VirginiaActive Secret Guidehouse seeks a Palantir Developer to support the Department of Defense (DoD) by designing, building, and operating data solutions in the Vantage platform, leveraging Palantir Foundry to enable authoritative, decision-grade financial and operational insights. Engineer and optimize data models, Delta tables, and curated datasets to support financial reporting, PPBE workflows, auditability, and mission analytics within Advana and downstream Foundry use cases.
NewSoftware Developer Belay TechnologiesSoftware DeveloperAnnapolis Junction, MD$165,000–$230,000 / yearSeveral factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications. We hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services.
Cleared Hybrid Full Stack AI Developer (5490) SmartronixCleared Hybrid Full Stack AI Developer (5490)Hanover, MD$135,100–$227,000 / yearThe 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. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.
Senior SharePoint Developer Revolutional, LLCSenior SharePoint DeveloperMclean, VA$120,000–$140,000 / yearSenior Microsoft/SharePoint Developer Location: McLean, VA (Hybrid) Terms: Full-time Salary Range: $120-$140k DOE Clearance Required: Candidates must be able to obtain and maintain a Public Trust Position Summary We are seeking a highly experienced Senior Microsoft/SharePoint Developer with 10+ years of hands-on experience designing, developing, modernizing, and architecting enterprise Microsoft-based solutions. Desired Candidate Profile The ideal candidate is a Microsoft technology professional capable of developing and delivering modernized SharePoint-centric solutions, integrating Dynamics 365, Power Platform, Azure Cloud Services, Power BI analytics, custom.
NewSenior Backend Software Developer Re:CarSenior Backend Software DeveloperWashingtonThe compensation for this position is the range Slate reasonably and in good faith expects to pay for the position taking into account the wide variety of factors that are considered in making compensation decisions, including job-related knowledge; skillset; experience, education and training; certifications; work location; and other relevant business and organizational factors. You drive awareness about the impact and consequences of technical decisions on the business, balancing technical leadership with strong business judgment to make the right long-term decisions about technology choices.
NewPower Platform Developer/Engineer CACIPower Platform Developer/EngineerReston, VirginiaEnterprise Technical Architecture : Work with the development teams to support end-to-end enterprise architecture for Power Platform solutions, including application design patterns, data architecture, security models, API strategy, and enterprise integration approaches. 5+ years proven experience with designing, architecting, and developing enterprise solutions using the Microsoft Power Platform (Power Apps, Power Automate, Power BI, PowerFX, and SharePoint) and Microsoft 365 ecosystem.
NewSr. Full Stack Java Developer Applied Information SciencesSr. Full Stack Java DeveloperWashingtonMust have strong development experience required in the following technologies/areas: Java, Spring Framework/Security 6+, Spring Boot 3+, Hibernate 6+, SQL/PLSQL, PostgreSQL, RESTful APIs, Maven build tool, and Git/GitLab. . The ideal candidate will have demonstrated strong verbal and written skills, experiences with the technology and business tools listed below, and will have proven experience delivering large-scale enterprise applications from concept through deployment. .
NewFull Stack Developer, Senior Cayuse HoldingsFull Stack Developer, SeniorWashington, Washington, DC$140,000–$142,085 / yearThis role is responsible for designing and implementing modern UI components, secure RESTful APIs, and scalable data architectures, as well as supporting application deployments, CI/CD pipelines, and full life cycle software development within an Agile environment. Database Design & Data Migration Design and implement normalized PostgreSQL schemas and entity relationships to support system scalability, performance, and maintainability.
Senior Full Stack Developer Cayuse HoldingsSenior Full Stack DeveloperChantilly, Virginia$140,000–$142,085 / yearIntegrate software components and third-party services; develop new custom capabilities; and enhance, refactor, and maintain existing codebases to improve reliability, scalability, and performance. The ideal candidate has extensive experience delivering large-scale, enterprise-grade applications from initial concept through deployment, with a strong focus on quality, performance, security, and maintainability in an enterprise environment.
Senior Software Developer Leidos Holdings Inc.Senior Software DeveloperGaithersburg, MD$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.
Deep Learning Expert/Developer (On-site) Ripple EffectDeep Learning Expert/Developer (On-site)Bethesda, MD$90,267–$103,808Established in 2003, and named as one of the “Best and Brightest Companies to Work For” in 2024 and 2025 by the NABR, Ripple Effect has earned acclaim for delivering unparalleled consulting services and top-tier talent across federal, private, and non-profit sectors. Strong understanding of machine learning techniques, including Support Vector Machines (SVM), Multilayer Perceptron (MLP), and Convolutional Neural Networks (CNNs).
Senior‑Level Python Developer (Python, C++) IDS InternationalSenior‑Level Python Developer (Python, C++)Annapolis Junction, MD$155,000–$175,000 / yearThe developer will work closely with a small team and mission stakeholders to capture requirements, develop network protocol parsers, create fingerprints and signatures to identify anomalous network activity, and deploy analytics solutions across customer‑supported tools and environments. Combining operational expertise with an intimate understanding of today's greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world.
Full Stack Developer with C# Expertise CACIFull Stack Developer with C# ExpertiseTysons, Virginia$103,800–$218,100 / yearIn addition to C# expertise we’ll need to you rate yourself close to expert level in several of the following areas:Expert or near-expert level experience with Angular JSNear-expert level experience with Oracle, working with instances/schemas, creating views, developing procedures, formulating and executing SQL, and managing data across tablesStrong understanding of webservices including ability to create new webservices as well as maintain legacy webservicesStrong understanding of JavaScriptWorking knowledge of server certificates and ability to successfully debug themWorking knowledge of JQueryQualificationsRequired:TS/SCI with Polygraph Clearance requiredBachelor’s degree in Computer Science or related fieldAt least 7 years of experience developing and/or deploying software on high side environmentsMust be proficient or above in: JavaScript, HTML, CSS, Angular Material UI components Node.js and TypeScriptExcellent problem-solving skills and attention to detailDirect experience using secure authentication technologies like SAML and OIDCAbility to learn and apply functional concepts very quicklyDesired:Able to plan strategically and execute your work within an Agile development construct and work independentlyAbility to work independently and demonstrate good critical thinking . Job Title: Full Stack Developer with C# ExpertiseJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * If you have C# expertise keep reading, this may be the job for you!
Pega Developer (BRT - 034) SageCor SolutionsPega Developer (BRT - 034)Annapolis Junction, MarylandServing Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Collaborates with system, software, and UI/UX engineers to design, develop, deploy, operate, and manage workflows hosted on a large scale, enterprise application built on the Pega Platform.
Senior Software Developer CACISenior Software DeveloperChantilly, Virginia$103,800–$218,100 / yearJob Title: Senior Software DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * CACI is seeking a highly motivated, self-directed professional to fill a Software Developer role in Chantilly, VA, to support the customer’s modernization effort. Servlets, Hibernate, Spring, UI Frameworks, Web Services/REST, J2EE).• Knowledge and demonstrated experience with NoSQL and/or file-based storage (MongoDB, MS SQL Server, Oracle, Postgres, etc.)• Demonstrated experience with continuous integration/delivery tools (e.g.
Appian Developer BayNova LLCAppian DeveloperArlington, VARemoteWork will include investigating solutions to problems and developing and modifying existing process flows to help improve the application to better meet the needs of the user community. Focus on business logic and process flows, working on the design and development of business logic, process models/flows, and UI screens to implement in a BPM (Business Process Management) based system.
Full Stack Developer BayNova LLCFull Stack DeveloperArlington, VARemotePreferred 5+ Years- Advanced knowledge in a variety of application support delivery of Cloud enabled application technologies including: Containerized or virtual machine-delivered servers such as Tomcat, NodeJS, or Django. Additional attributes needed: 9+ Years- Experience in the design, implementation, and delivery of applications based in Java, JavaScript, and Python with various persistence layers (SQL and NoSQL) preferred.
Java Developer Set of XJava DeveloperAnnapolis Junction, MD$120,000–$240,000 / yearDesired Skills: Experience with Java, JSON, XML, SpringBoot, Mongo, AWS Services, Kubernetes K8, GraphQL, Git, Git CICD, Maven, Artifactory, ReactJS, JUnit, Cucumber, Wiremock, GreyBox, K6, Coder Platform, IDEs (IntelliJ, VSCode), Prometheus, Grafana, Elastic. Basic Qualifications: Bachelors degree in an engineering/technical discipline from an accredited college in a related discipline, or equivalent experience/combined education, with 20 years or more of professional experience; or 18 years with a related Masters, or 15 years with a related PhD degree.