Senior Full Stack Developer
$120k - $135kHarmonia | Revolutional
Senior Full-Stack Developer (.NET)Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. 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.We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy.Title: Senior Full Stack Developer (.NET)Location: McLean, VATerms: Full-timeSalary Range: $120k – $135k DOEClearance: Public TrustTravel: 0%Position DescriptionWe have an exciting opportunity for a Senior Full-Stack Developer (.NET) to join our team in McLean, VA. The ideal candidate will have experience managing the software development process from conception to deployment, developing web applications using.NET, SQL and Microsoft Azure solution suite. To perform this job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily. Other duties, in addition to the below, may be assigned as necessary to meet business needs.ResponsibilitiesDesign, develop, and maintain applications using C# and the.NET stack utilizing.NET MVC framework,.NET Core, Web APIs, and related technologies.Understand complex database design and support database migration.Strong knowledge and experience with SQL Server database (i.e. writing SQL/T-SQL, Stored Procedure, UDF, triggers, etc).Build and enhance web applications using modern client-side technologies such as HTML, JavaScript, CSS, jQuery, Bootstrap, and TypeScript.Build and maintain secure CI/CD YAML-based pipelines using Azure DevOps, PowerShell, and cloud-native deployment tools.Troubleshoot and resolve issues across applications, databases, and server tiers.Implement unit testing using NUnit, MSTest, or similar frameworks.Collaborate with Agile teams and participate in sprint planning, stand-ups, backlog refinement, and continuous improvement activities.Mentor and guide junior level resources on the team.RequirementsU.S. citizen or legal permanent resident.Ability to obtain and maintain a Public Trust clearance.Bachelor's degree in computer science or a related field and at least 5 years of experience developing and supporting applications using the Microsoft.NET technology stack.Experience administering and troubleshooting applications hosted on Microsoft Windows Environments, as well as managing Azure DevOps pipelines and deployments.Strong customer service/client facing skillsExcellent oral and written communication skillsStrong problem-solving skillsDesiredMicrosoft certified: Azure fundamentals or related cloud certifications.
$85k - $170k
OverviewAs a Senior Software Developer, you will work with our growing DevSecOps practice delivering software features, APIs, and micros-service solutions. We are looking for candidates with experience with 3-5 years experience writing software using Agile and DevSecOps...Senior$85 - $90 per hour
...DeveloperLocation: McLean, VirginiaDuration: ContractJob ID: 179634Job Overview: We are seeking a highly skilled and experienced Full Stack Senior Developer to join our team. The ideal candidate will have a strong background in AI development, agentic workflows, and test...SeniorFull time- Job TitleFreddie Mac is building a culture based on modern software delivery practices to support the secondary mortgage market through rapid technology and best practice innovation.8 + years of proven experience engineering fantastic solutionsBachelor’s degree in Computer...Senior
$124.3k - $134.02k
...efficient, and cost-effective solutions that drive measurable results. Learn more at About the OpportunityDMI is seeking a Senior Full-Stack Developer to help build and modernize a mission-critical Department of Defense enterprise application. The system is an offline-...SeniorContract workInterim roleLocal areaRemote work$85k - $170k
...Senior Software DeveloperAs a Senior Software Developer, you will work with our growing DevSecOps practice delivering software features, APIs, and micro-service solutions. We are looking for candidates with experience with 3-5 years experience writing software using Agile...Senior$85k - $170k
...Senior Software DeveloperAs a Senior Software Developer, you will work with our growing DevSecOps practice delivering software features, APIs, and micro-service solutions. We are looking for candidates with experience with 3-5 years experience writing software using Agile...Senior$110.7k - $218.3k
...remaining hands-on in development. As a Senior Consultant, Technical Transformation, you... ...business growth. This role combines full stack development, architecture leadership, and... ...practical technical solutions, mentoring developers, and driving quality across enterprise implementations...SeniorLocal areaVisa sponsorship- Bcore is seeking a Full-stack Developer in McLean, Virginia to help deploy and maintain cloud services, and build containerized environments for mission-focused solutions. The candidate should have senior experience with JavaScript (Hono.js) and Python (fastapi), TypeScript...Senior
$140k - $148k
...Job Details Job Location: VIENNA, VA 22182 Position Type: Full Time Education Level: 4 Year Degree Salary Range: $140,000.... ...Enabled Solutions for Federal Missions We’re looking for a Senior Full Stack Developer who wants to do more than write code. In this role, you’ll...SeniorFull timeShift work- DMI (Digital Management, Inc.) in McLean, Virginia is looking for a Senior Full Stack Developer to help modernize a mission-critical Department of Defense enterprise application. You will work across the full stack, developing both front-end and back-end features with a...Senior
- ...Senior Full Stack Java Developer Location: McLean, VA We are seeking a Senior Full Stack Java Developer with strong expertise in Java development, Spring Boot, and automated testing. The ideal candidate will have experience building scalable enterprise applications...Senior
- Senior Full Stack Developer McLean, VA June 23, 2026 Only accepting local candidates immediately local to the Washington, DC area. We are seeking a Senior Full Stack Developer with strong Java expertise to build scalable, high-quality applications. This hands‑on role...SeniorLocal areaImmediate start
$100k - $185k
As a Senior Software Developer , you will work with a team of developers to deliver software features, APIs, and micro-service solutions. We are looking for candidates with 7+ years of experience writing software using Agile and DevSecOps methods such as build/release management...Senior- Only accepting local candidates immediately local to the Washington, DCarea. We are seeking a Senior Full Stack Developer with strong Java expertise and a passion for building scalable, high-quality applications. This role requires a hands‑on engineer who can contribute...SeniorLocal areaImmediate start
- ...Senior Java Full Stack with QA and Spring BatchLocation: Mclean, VA (ONSITE)Exp: 10+ yearsFace 2 Face interview$130k to $140kFull TimeJob SummaryWe are looking for a senior Java FS developer who has strong hands-on experience in QA automation and Spring Batch.Key ResponsibilitiesTechnically...Senior
- ...Senior Java Full Stack DeveloperWe are seeking a highly experienced Senior Java Full Stack Developer with 12+ years of hands-on experience in Java development, Spring Boot, Spring Batch, microservices, REST APIs, SQL/PostgreSQL, and AWS cloud services.The ideal candidate...Senior
- ...Application development, prototyping, and high level technical consulting. Work closely with team members and business partners to develop cutting edge technology solutions under tight deadlines. Predict effects of configuration changes; identify application bottlenecks...Senior
- GCyber is seeking a Full Stack Developer , to support our government customer. This role develops, tests, and maintains secure, reliable applications across the full technology stack (front-end, APIs/services, and data). Full stack developers can switch between front-end...Senior
- ...Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a federal cloud modernization and product development effort focused on scalable, secure, cloud-native applications hosted in AWS. This is a remote opportunity supporting...SeniorTemporary workLocal areaRemote work
- ...of our Great Place to Work certification. Learn more about us at our website: The Opportunity We’re looking for a Senior Full-Stack Developer — with a strong backend focus — to join a fast-moving marketplace project on a short-term contract basis. You’ll design and...SeniorFull timeContract workTemporary workFor contractorsLocal areaRemote work
- ...Senior Full Stack Java DeveloperThis position may be offered to a candidate authorized to work in the US for his/her/their stated employer... ...preferred of Java, knowledge of spring/spring framework, front end developing experience (preferred)The Full Stack Developer will work...SeniorFlexible hours
- ## Senior Full Stack DeveloperApplylocations: US - VA, McLeantime type: Full timeposted on: Posted Todayjob requisition id: 40611**Job Family... ...to Obtain Public Trust**What You Will Do:*** The Full-Stack Developer will work closely with clients, digital leaders, solutions...SeniorTemporary workFlexible hours
$140k - $155k
Enterprise Knowledge (EK) is hiring a full-time Senior Full Stack Developer to join our growing Enterprise Delivery team. In this role, you will bridge the gap between robust software engineering and cutting‑edge Generative AI, leading the design, implementation, and deployment...SeniorFull timeFor contractorsH1bWork at office2 days per week- BCore, based in McLean, Virginia, is seeking a Full-stack Developer to join a security-cleared team delivering cloud-native, data-repository... ...environment. The role emphasizes on-site collaboration in McLean with senior-level responsibilities, DevOps integration, and a focus on...Senior
- ...Position Summary: Seeking highly skilled Full-Stack Senior Engineers to drive rapid development in an AI-assisted environment. Candidates... ...at leveraging AI coding assistants (e.g., Claude, Amazon Q Developer) to accelerate delivery, while applying strict human oversight...SeniorFull time
- ...the sub vendor. Must Have Qualifications: Strong Python Developer with strong experience in Python development, SQL, and database... ...once all interview rounds are completed. Job Description: Senior Python Developer Required Experience & Education 7 10...SeniorFlexible hours
$165k
...highly cleared engineers, analysts, and program managers represent some of the best talent locally available. The Senior Full Stack Developer is responsible for the design, development, testing, and management of application development projects in support of IT...SeniorFull timeFlexible hours- ...and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Sr Full Stack Developer Location(s): Mclean, VA Job Description:You’ll have the opportunity to directly contribute to one of these initiatives,...Senior
$130k - $170k
...Description We are seeking a Senior Full-Stack Developer with a strong background in building and architecting complex, data-driven systems. In this role, you’ll design and deliver modern applications, APIs, and services that process large volumes of structured and...SeniorFull timeCasual work- Pioneering Evolution is seeking a highly motivated Senior Full-Stack Developer to lead the development of secure, scalable, and modular software solutions for a mission-focused federal software platform. This role offers the opportunity to provide technical leadership,...SeniorFull timeTemporary work
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