Senior Developer (Python, Aws) OpenDataJobsSenior Developer (Python, Aws)Washington, DCYour first assignment will likely include driving definition and implementation of solutions for modern applications: leading feature delivery on a cloud-native AWS stack, owning user stories from refinement through to production; leading the development of event-driven, serverless application workflows using Lambda and Step Functions; owning the integration of commercial off-the-shelf (COTS) products with broader, internally developed system frameworks; designing and delivering the API interconnections that modern system architectures depend on; or. We are a data and technology innovation hub and a Benefit Corporation working at the center of the federal government's mission to deliver for client stakeholders and the US public, looking for highly motivated contributors who thrive when trusted to own a hard problem and equipped to deliver the solution.
Senior .NET Developer Clearwaters.ITSenior .NET DeveloperWashington, DCRemote$125,000–$132,000The ideal candidate will have a strong background in full-stack development, cloud computing, and Agile methodologies, working closely with cross-functional teams to deliver scalable and efficient software solutions. Strong proficiency in developing solutions in the following programming languages (.NET (backend development), Java, Python, JavaScript, C#, etc.).
MarkLogic Developer (SME) LeidosMarkLogic Developer (SME)Bethesda, Maryland$154,050–$278,475 / yearAdditionally, based on a DevOps framework, you will participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. January 21, 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. Marklogic Developer LeidosSr. Marklogic DeveloperBethesda, Maryland$107,900–$195,050 / yearAdditionally, based on a DevOps framework, you will participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. January 21, 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 .Net Developer Clearwaters.ITSenior .Net DeveloperWashington, DCRemoteThe ideal candidate will have a strong background in full-stack development, cloud computing, and Agile methodologies, working closely with cross-functional teams to deliver scalable and efficient software solutions. Strong proficiency in developing solutions in the following programming languages (.NET (backend development), Java, Python, JavaScript, C#, etc.).
Full Stack Developer (C#) CACIFull Stack Developer (C#)Ashburn, Virginia$103,800–$218,100 / yearCACI is seeking a C# Software Engineer to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting Customs and Border Protection (CBP) client located in Northern Virginia! Pay 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.
Full Stack Developer (TS/SCI) MaxaarFull Stack Developer (TS/SCI)Reston, Virginia$150,000–$165,000 / yearVantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. The ideal candidate is passionate about delivering secure, high-performance solutions while collaborating with cross-functional teams to solve challenging technical problems in a dynamic mission environment.
Full Stack Developer (TS/SCI) Vantor ServicesFull Stack Developer (TS/SCI)Reston, Virginia$150,000–$165,000 / yearVantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. The ideal candidate is passionate about delivering secure, high-performance solutions while collaborating with cross-functional teams to solve challenging technical problems in a dynamic mission environment.
Full Stack Developer CACIFull Stack DeveloperFairfax, VirginiaPay 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. CACI is seeking a Senior Full Stack Developer to support the Department of Homeland Security's Cyber Crimes Center (C3) in designing and implementing sophisticated web applications and investigative tools.
Mid-Level Full Stack Developer Revolutional, LLCMid-Level Full Stack DeveloperMclean, VARemote$80,000–$105,000 / yearWe 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. The core challenge: delivering secure, scalable, and high-performing enterprise applications in fast-paced Agile environments while maintaining operational reliability and modernization objectives.
Java Software Engineer – Developer (Experienced and Senior) BoeingJava Software Engineer – Developer (Experienced and Senior)Herndon, Virginia$135,150–$182,850 / yearThe Boeing Company also 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 Boeing Company The Boeing Company is currently seeking Java Software Engineers – Developer (Experienced and Senior) to support our Advanced Ground Architecture team located in Herndon, Virginia, Mesa, Arizona, and Seal Beach, California.
Senior PeopleSoft/Oracle Developer NSSSenior PeopleSoft/Oracle DeveloperHerndon, VirginiaYou’ll work closely with engineering teams to support, enhance, and maintain critical PeopleSoft environments and Oracle-based applications — with a strong focus on security compliance, data integrity, and system performance. This role is ideal for a senior engineer who can work across application, middleware, and infrastructure layers to ensure stable, secure, and high-performing systems.
FULL-STACK CLOUD DEVELOPER (Top Secret Clearance REQUIRED) NorthHill TechnologyFULL-STACK CLOUD DEVELOPER (Top Secret Clearance REQUIRED)Fairfax, VirginiaWe are looking for a Full-Stack Developers to play a lead role in the design, development, and deployment of applications, microservices, APIs, and web applications to a true DevSecOps-enabled hybrid cloud environment. This is an opportunity to help chart the direction of a new project, implement best practices in DevSecOps and container orchestration, and introduce new ideas and technologies relating to the design and execution of a new mission area.
Microsoft Developer – Power Platforms Accenture Federal ServicesMicrosoft Developer – Power PlatformsArlington, VAThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $86,400—$176,200 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
NewSenior Python Developer Federal Agency Background Macpower Digital Assets Edge Private LimitedSenior Python Developer Federal Agency BackgroundWashington, DC$110,000–$125,000 / yearPython Developer and their ideal candidate is a DMV resident with a minimum of 5 years of related experience, a Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or a technical discipline related to the specific skill or the equivalent combination of education, technical certifications or training, or work experience. You should be able to demonstrate strong experience with preparing strategic plans and conducting strategic assessments for the Federal Government and/or large enterprise-wide organizations and/or experience with policymaking and planning involving strategic planning and analysis in complex organizations.
Senior Cloud Developer Osprey Talent SolutionsSenior Cloud DeveloperChantilly, VirginiaThe Senior Cloud Developer will design cloud service-delivery models and architectural frameworks, implement automation using DevSecOps best practices, and support a robust hybrid-cloud infrastructure that provides the backbone for secure, high-bandwidth services. The selected developer will help modernize complex systems, strengthen cloud security, and deliver resilient capabilities across highly sensitive environments.
Web Developer Security Engineer Nationwide IT ServicesWeb Developer Security EngineerDC, DCRemoteFull timeThe selected candidate will be responsible for secure application design, vulnerability management, DevSecOps integration, security monitoring, WAF administration, File Integrity Monitoring (FIM), and Tier II security operations support. Position Overview: Nationwide IT Services (NIS) is seeking a Web Developer Security Engineer to support application security initiatives across web applications, APIs, and the software development lifecycle (SDLC).
Full Stack Developer Novul SolutionsFull Stack DeveloperAlexandria, VirginiaThe role supports the full technology stack, including responsive user interfaces, back-end services and APIs, databases, cloud infrastructure, automated testing, and CI/CD pipelines. Maintain code and technical documentation, including designs, APIs, build guides, diagrams, procedures, and runbooks; participate in Agile ceremonies and Jira-based task tracking.
Sr Full Stack Developer TheStaffedSr Full Stack DeveloperMcLean, VirginiaDesign and develop scalable Spring Boot microservices following REST API and cloud-native architecture principles; implement CRUD operations and business logic using MongoDB and Spring Data. Develop responsive, reusable UI components using Angular, TypeScript, HTML5, and CSS/SCSS; implement state management, reactive forms, and client-side validation for complex business applications.
Appian Security Developer - CLEARED The Squires GroupAppian Security Developer - CLEAREDArlington, VirginiaRemoteThis role will focus on implementing custom development, addressing cybersecurity requirements, and supporting security gap remediation efforts to help maintain compliance within a secure environment. Overview: The Squires Group is seeking an Appian Security Developer to support the development and security enhancement of an Appian-based process automation solution.