.Net Full Stack Developer jobs in Fairfax, VA

McLean, Virginia

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24d ago

Job Summary 7+ years of software development experience. Strong coding experience in any of these languages (C# and .Net), Unit testing, REST API designStrong React / TypeScript / Next.js 15 App Router, RTK Query, Tailwind CSS, component library patternsExperience integrating with ERP systems (Microsoft Dynamics NAV / Business Central strongly preferred)Proven experience designing real-time systems (SignalR, WebSockets, or equivalent)OpenAPI/Swagger specification authoring and API contract-first

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Contract

$60 - $70

.NET Full Stack Developer with Healthcare Provider Domain - Remote

Remote

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Today

Role: .NET Full Stack Developer with Healthcare Provider Domain Location: Onshore (United States) Experience: 1215 years Skillset: Provider Domain, Full Stack Development (.NET/C#, React/Angular), AWS, Healthcare Interoperability (HL7, FHIR, X12 EDI), AI-Assisted Engineering, Onshore/Offshore Delivery Leadership Role Overview We are looking for a Manager of Full Stack Development with deep expertise in the US healthcare provider domain to lead design, development, and delivery of complex, high

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Full-time

Depends on Experience

Looking for Expert Dot Net Full stack Developer/Architect

Remote or Albany, New York

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22d ago

Hi, Position: Looking for Expert Sr. Dot Net Full stack Developer/Architect Location: Remote/ Albany NY Long Term Minimum 12+ Years Skills: Frontend Development Backend Development STRONG CODING experience UI ASP.NET Core Razor Pages (net10),Blazor External JS modules , jQuery Validation, Bootstrap Backend ASP.NET Core Web API (net10) EF Core , CQRS FluentValidation Mapster for DTO/domain mapping Auth: Windows Negotiate and JWT bearer supported Swagger/OpenAPI, API Versioning Structured DI Data

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Contract, Third Party

Depends on Experience

Sr. Full Stack .NET Developer with SQL Server + Oracle

Hybrid in Rockville, Maryland

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3d ago

Job Title: Sr. Full Stack .NET Developer with SQL Server + Oracle Location: Rockville, Maryland Type: Contract, long term Compensation:W-2 or C2C negotiable Work Model: Hybrid Security Clearance: No Clearance is required ALL RESIDENCY STATUS ARE ELIGIBLE TO APPLY Responsibilities Support application development, modernization, enhancement, maintenance, requirements gathering, and technical documentation for existing and legacy systems slated for replacement or upgrade.Support multiple applicatio

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Contract

$50

Looking for Expert Dot Net Full stack Developer/Architect with AI Skills

Remote or Albany, New York

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Today

Hi, Position: Looking for Expert Sr. Dot Net Full stack Developer/Architect Location: Remote/ Albany NY Long Term Minimum 12+ Years Skills: Frontend Development Backend Development AI Skills STRONG CODING experience UI ASP.NET Core Razor Pages (net10) External JS modules , jQuery Validation, Bootstrap Backend ASP.NET Core Web API (net10) EF Core , CQRS FluentValidation Mapster for DTO/domain mapping Auth: Windows Negotiate and JWT bearer supported Swagger/OpenAPI, API Versioning Structured DI D

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Third Party, Contract

Depends on Experience

Full Stack .NET Developer

Bethesda, Maryland

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Today

Leidos is seeking a Full Stack .NET Developer to support federal health enterprise systems for the Government Health and Safety Solutions Operation. The developer will build and modernize user interfaces, APIs, business services, and data integrations that support NIH Center for Scientific Review (CSR) operations. The role spans on-premises and approved Azure environments and requires hands-on Azure AI and identity integration experience. CANDIDATE MUST: Be local to the DC Metro area for hybri

Full-time

USD 69,550.00 - 125,725.00 per year

.NET Full Stack Developer

Remote

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Today

JobDescription:We are seeking an experienced .NET Full Stack Developer with strong expertise in .NET Core, C#, , Angular, SQL Server, and REST APIs. The ideal candidate should have experience in designing, developing, and maintaining scalable enterprise applications while collaborating with cross-functional Agile teams. Key Responsibilities Design, develop, test, and maintain enterprise web applications using .NET Core/.NET 6/7/8 and Angular (v12+).Develop RESTful APIs and integrate third-party

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Contract

Depends on Experience

.NET Full Stack Developer

Remote

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13d ago

Title: Full Stack Developer (.NET Developer)Location:RemoteDuration:Full-timeJob Description: Bachelors degree in Computer Science, Engineering, or a related field. 35 years of experience in .NET application development. Strong proficiency in C#,, and .NET Core. Experience developing RESTful APIs and web applications. Hands-on experience with SQL Server and database design. Familiarity with front-end technologies such as HTML, CSS, JavaScript(Angular/React is a plus). Experience with cloud platf

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Full-time

Depends on Experience

.NET & REACT Full Stack Developer

Washington, District of Columbia

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Today

Overview The. NET/React Developer will play a critical role in the design, development, and maintenance of enterprise-grade web applications and services. This role is responsible for building high-quality, scalable software solutions using the Microsoft .NET stack on the back end and React (with TypeScript/JavaScript) on the front end. This role will engage in the full software development lifecycle-from requirements analysis and solution design through implementation, testing, deployment, an

Full-time

.NET & REACT Full Stack Developer

Washington, District of Columbia

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Today

Full-time

USD 140,000.00 - 142,085.00 per year

.NET Full stack developer

Remote

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Today

Summary: We are seeking a highly skilled Senior .NET Full Stack Developer with 7 to 9 years of experience in designing, developing, and deploying scalable enterprise applications. The ideal candidate should have strong expertise in React, .NET Core, SQL Server/Cosmos DB, Azure Cloud Services, and Agentic AI solutions. The candidate will work closely with cross-functional teams to deliver modern, cloud-native applications and AI-driven solutions. Experience: 10+ years Mandatory Skills: .NET Ful

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Third Party, Contract

$50 - $55

Senior .NET Full Stack Developer - FHIR

Remote

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20d ago

Role: Senior .NET Full Stack Developer - FHIR Location: Remote Duration: 6+ months Job description: We are seeking a highly experienced Senior .NET Full Stack Developer with FHIR expertise to support a large-scale application modernization initiative. The ideal candidate will have strong hands-on experience in C#/.NET 8+, React, TypeScript, REST APIs, FHIR, microservices, Azure Cloud, and event-driven architecture. This is a hands-on technical leadership role involving modernization of le

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Contract

Depends on Experience

.net Full Stack Developer Remote Offshore /nearshore

Remote

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3d ago

Mandatory Technical Skills1. C# and .NET Core Strong hands-on experience in C# and .NET Core / .NET 6+. Expertise in object-oriented programming, SOLID principles, and design patterns. Experience developing scalable applications and RESTful Web APIs. Strong understanding of asynchronous programming, LINQ, and dependency injection. Experience with application performance optimization and debugging. 2. Entity Framework / Entity Framework Core Strong experience with Entity Framework and EF Core. Ex

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Full-time

Depends on Experience

.NET Full Stack Developer - Newark, NJ, New York City, NY, Boston, MA, Hartford, CT, Princeton, NJ.

Remote or Newark, New Jersey

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Yesterday

Job Title: .NET Full Stack Developer Location: Newark, NJ, New York City, NY, Boston, MA, Hartford, CT, Princeton, NJ. Contract: 12+ Months Looking for W2 candidates. No C2C Job Summary We are hiring a .NET Full Stack Developer with strong expertise in React, .NET Core, Azure OpenAI integration, and enterprise AI applications. The ideal candidate will develop intelligent business applications integrating LLMs, AI copilots, and cloud-native services. Key Responsibilities Develop enterprise appl

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Contract

Depends on Experience

.NET Software Developer - Full-Stack (Multiple Levels)

Washington, District of Columbia

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Today

Responsibilities Noblis is helping the Federal Aviation Administration (FAA) manage large and complex telecommunications and information management programs that use state of the art technologies to manage enterprise infrastructure services essential to the safe and efficient operation of the largest, safest, and most complex aviation system in the world. We are seeking smart, passionate, and motivated people to join our proven team in a challenging and rewarding work environment where you will

Full-time

USD 65,200.00 - 101,950.00 per year

.Net / React Full Stack Developer

Washington, District of Columbia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 78,600.00 - 160,200.00 per year

.NET Full Stack Engineer

Vienna, Virginia

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21d ago

Hi, We currently have an exciting opportunity for a .NET Full Stack Engineer with one of our direct clients. This is an onsite position based in Vienna, VA (Onsite).Please let me know if you d be interested in discussing this opportunity further. Job Title: .NET Full Stack Engineer Job Type: Contract Location: Vienna, VA(Onsite) Job Summary: We are looking for an experienced Senior.NET Full Stack Engineer with a strong background in designing, developing, and deploying enterprise-grade applicat

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Contract, Third Party

Depends on Experience

Jr Architect / Full Stack .NET Developer

Remote

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30+d ago

Position: Junior Architect / Full Stack .NET Developer Location: Remote Duration:Longterm Job Summary: Seeking a hands-on technical leader to drive platform modernization from legacy monolithic applications to scalable, cloud-native, API-first, event-driven solutions. The role involves leading an engineering pod, overseeing technical delivery, and driving DevOps automation and AI-assisted development. Key Responsibilities: Lead a development pod, sprint execution, and technical delivery.

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Contract, Third Party

$75 - $80

Full Stack .NET Developer

Remote or Tampa, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Full Stack .NET Developer in Tampa, FL. Duties: * Design, develop, and enhance custom software applications supporting complex automation environments * Build high-quality, scalable solutions using C# and the Microsoft .NET ecosystem * Perform coding, debugging, testing, troubleshooting, and application support throughout the software development lifecycle * Develop both web-based and client/server applications * Contribute to moderately c

Full-time

$115,000 - $125,000 annually

Full Stack Software Developer with C#/.NET Expertise

McLean, Virginia

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Today

Job Title: Full Stack Software Developer with C#/.NET Expertise Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * Bring your expertise and sense of urgency to a team performing mission critical work. Within this team and supporting our product, you will have a direct hand in shaping requirements and expectations for current and fut

Full-time

USD 90,300.00 - 189,600.00 per year

.Net Full Stack Developer jobs in Fairfax, VA, USA