35 senior full stack net developer jobs at 24 companies in District of Columbia
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Senior .Net Full-Stack Developer
Washington, District of Columbia, United States
$95k-$120k/yrOnsiteFull Time
Kadiak, LLC: Alaska Native-owned professional services and IT serving commercial and government clients.
8+ YOETop-Secret clearance, 8+ years full-stack software development experience, 4-year degree in IT or equivalent, experience with SDLC, large-scale data processing, and mentoring/knowledge transfer.
Team Velocity Marketing: Private automotive marketing technology agency providing customer-experience software and digital advertising to auto dealerships.
5+ YOERequires 5+ years of software development, advanced C# and .NET, modern frontend framework experience, APIs, microservices, databases, Agile, testing, CI/CD, and AI-assisted development tools.
Revolutional: Private federal IT consulting firm delivering AI, cybersecurity, cloud, and modernization solutions to government agencies.
5+ YOEActive Top Secret/SCI clearance, U.S. citizenship, 5+ years .NET/C# experience, Security+ certification, SQL Server and T-SQL proficiency, Agile experience, secure development practices.
Technica Corporation: Veteran-owned federal IT services firm delivering engineering, cybersecurity, software, and technology solutions to government agencies.
8+ YOEActive Top Secret with SCI eligibility, Bachelor’s in CS or equivalent,8+ years software development experience with .NET and React, SQL, cloud (AWS/Azure), CI/CD, Docker, Gitlab.
Pioneering Evolution: Service-disabled veteran-owned management consulting and custom software firm serving federal acquisition organizations.
7+ YOEBachelor's degree, 7+ years full-stack experience with .NET Core, 3+ years Angular, RESTful API and microservices experience, PostgreSQL proficiency, experience in compliance-driven environments, mentoring experience, U.S. citizenship and active Secret clearance, on-site in Washington D.C. metro.
Synergy ECP: Private technology services firm providing cybersecurity, software engineering, and IT solutions to U.S. defense and intelligence agencies.
8+ YOEBachelor's degree, minimum 8 years experience, active TS/SCI clearance and U.S. citizenship required; strong .NET (C#, ASP.NET, ADO.NET, Entity Framework), React/TypeScript, SQL Server, Git/GitLab, and DevOps familiarity.
Cayuse Technologies: Tribally owned technology and government-solutions provider delivering IT consulting, operations support, staffing, and training to public-sector clients.
8+ YOEBachelor’s degree or equivalent experience, 8+ years of software development experience, .NET and React expertise, strong SQL Server skills, Git/GitLab proficiency, and active Top Secret clearance.
Microsoft .NET, React, TypeScript, JavaScript, ASP.NET, C#, Entity Framework, SQL Server, HTML5, CSS3, Git, GitLab, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Adobe Acrobat, RPC, REST
Improvix Technologies: Private U.S. IT-services firm delivering data, application, cloud, infrastructure, and cybersecurity solutions to federal and commercial clients.
5+ YOERequires 5+ years of .NET development, full-stack architecture, Power Platform, SharePoint modernization, MS SQL, Entity Framework, CI/CD, security, mentoring, and active Secret clearance.
.NET, C#, ASP.NET Core, ASP.NET MVC, React, RESTful, Microsoft Power Platform, Power Apps, Power Automate, Power BI, Microsoft Dataverse, Microsoft SharePoint, Microsoft SharePoint Online, Microsoft 365, Microsoft Teams, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft OneDrive, MS SQL, Entity Framework, GitHub Actions, Azure DevOps, Microsoft Azure, Active Directory, TypeScript, Node.js, Docker, Kubernetes
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
5+ YOERequires 5+ years developing software with .NET or React, SQL database and Agile Scrum experience, knowledge of NoSQL, ability to obtain Public Trust, and a bachelor's degree.
A-TEK: A federal government contractor providing digital transformation, cybersecurity, IT, and scientific services to U.S. agencies.
5+ YOEBachelor's degree and 5+ years software development experience; proficiency with C#/.NET or Python, React, Microsoft Azure, SQL databases, Git, Azure DevOps, REST APIs; ability to obtain Tier 2 background investigation.
React, HTML5, CSS3, JavaScript, TypeScript, Python, C#/.NET, Microsoft SQL Server, PostgreSQL, Microsoft Azure, Git, Azure DevOps, Power Apps, Power Automate
Fortegra: Global specialty insurer underwriting insurance and warranty solutions for businesses and individuals.
7+ YOE7+ years software engineering, expert React, backend framework experience (Node.js, Python, .NET Core), secure public-facing app and cloud architecture experience, hands-on use of AI coding tools and agentic workflows.
React, Node.js, NestJS, Express, Python, FastAPI, Django, Microsoft .NET Core, AWS, Microsoft Azure, GCP, Claude Code, GitHub Copilot, Cursor, Replit, Lovable
Eden Prairie or Minneapolis or Washington or United States
$92k-$164k/yrRemoteFull Time
UnitedHealth GroupNYSE: UNH: Diversified health care helping people live healthier lives.
10+ YOEBachelor's degree or 4 years' experience; 10+ years SDLC experience; 8+ years .NET/Microsoft stack; 5+ years SQL Server and CI/CD (Azure DevOps) experience; mentoring ability; experience with Kubernetes, Terraform, microservices preferred.
Senior Specialist, Full Stack Software Engineer (40003)
Washington, District of Columbia, United States
$112k-$208k/yrOnsiteFull Time
L3Harris TechnologiesNYSE: LHX: Global aerospace and defense technology innovator and manufacturer.
6+ YOEBachelor's degree with 6+ years related experience (or graduate degree with 4+ years or 10+ years experience in lieu); proficiency in C#/.NET, Python, Angular, PostgreSQL; strong OOP, testing, and secure-coding skills; ability to obtain security clearance.
NuAxis Innovations: Federal IT services helping U.S. government agencies modernize technology through customer experience and human-centered design.
7+ YOE7+ years Drupal experience, 5–7 years API development, proficiency with PHP, MySQL, HTML, CSS, JavaScript, DevOps/CI/CD, accessibility (Section 508) and federal integrations (Login.gov, SAVE).
Kentro: Private federal IT services firm serving U.S. agencies with modernization, data, cybersecurity, human capital, and health solutions.
7+ YOE7+ years software development; bachelor’s degree or associate with 10+ years; full‑stack frontend and backend experience; strong SQL and DB skills; Git experience; active TS/SCI clearance and CI polygraph capability.
Full Stack Senior Software Engineer– Investment Risk Technology
Baltimore or Washington or Maryland or Colorado or Washington or New York or California
$121k-$258k/yrHybridFull Time
T. Rowe PriceNASDAQ: TROW: Global asset management firm providing investment and retirement services.
5+ YOEBachelor's degree or equivalent,5+ years software engineering experience,proficiency in object-oriented languages (C#/.NET),cloud-native AWS experience,SQL skills,automated testing and CI/CD practices.
Nationwide IT Services: Service-disabled veteran-owned IT and management consulting firm serving federal agencies with technology, cybersecurity, and mission support.
8+ YOE3+ MgmtBachelor's degree and 8+ years enterprise software development with 5+ years federal IT experience; 3+ years lead role; strong Microsoft-stack, cloud, Agile, mentoring, secure coding, and DevSecOps skills.
C#, .NET Framework, .NET Core, .NET, ASP.NET MVC, ASP.NET Core, JavaScript, TypeScript, HTML5, CSS3, SQL, PowerShell, Microsoft Azure Government, Microsoft Azure, Microsoft 365, SharePoint Online, Microsoft Teams, Power Apps, Power Automate, Power Pages, Power BI, Dataverse, Microsoft SQL Server, PostgreSQL, Entity Framework, Azure DevOps, Git, GitHub, CI/CD pipelines, Infrastructure as Code