C# jobs in Fairfax, VA

Washington, District of Columbia

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Today

Overview The C# .NET Developer will contribute to the development, enhancement, and maintenance of web applications and services that enable mission?critical operations in a federal environment. This role will work hands?on with the .NET framework and associated technologies to build clean, efficient, and reliable back?end components that integrate seamlessly with front?end and cloud?based systems. You will collaborate closely with senior developers, architects, designers, product owners, and

Full-time

USD 140,000.00 - 142,085.00 per year

C# . Net with Vue Js - REMOTE - s

Remote

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Today

Key Responsibilities Design, build, and maintain efficient, reusable, and reliable C# back-end services. Develop modern, responsive user interfaces using JavaScript and Vue.js. Design relational database schemas and write optimized, high-performance SQL queries. Build and integrate advanced AI feature with web applications where applicable to support modern feature requirements. Utilize AI coding assistants and modern AI-driven workflows to streamline development and implementation. Job Re

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Contract

.Net/C# Developer - Vue JS | Remote - (GC)/(USC) | Only W2

Remote

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Today

C# dot net with Vue JS Key Responsibilities Design, build, and maintain efficient, reusable, and reliable C# back-end services. Develop modern, responsive user interfaces using JavaScript and Vue.js. Design relational database schemas and write optimized, high-performance SQL queries. Build and integrate advanced AI feature with web applications where applicable to support modern feature requirements. Utilize AI coding assistants and modern AI-driven workflows to streamline development and

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Contract

Depends on Experience

Senior Technical Lead – C#/.NET | AWS | Microservices

Remote

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Today

*ACENTRA HEALTH* *Developer, Senior Lead Technical Job Description* *Remote US EST Time zone work schedule (Candidates in Raleigh NC preferred but not required)* RATE : 60 ON W2 Role Overview The Developer, Specialist performs thorough end-to-end analysis of complex business functionality, provides technical solutions for complex business requirements, and implements enterprise-grade software solutions. This role functions as an individual contributor, capable of working independently and withi

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Full-time

Depends on Experience

.NET / C# Developer - Senior (Top Secret with agreement to obtain CI Poly)

Fort Belvoir, Virginia

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Today

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. .NET / C# Developer - Senior Position / LCAT: .NET / C# Developer Level: Senior Lead Designation: N/A Location: Fort Belvoir, VA Role Summary Provides application development for a Microsoft-oriented enterprise environment, including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development, in support of custom in-ho

Full-time

C# T-SQL Developer w/Google Cloud Platform - Remote

Remote or Allen, Texas

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Remote C# T-SQL Developer w/Google Cloud Platform. Summary: We are seeking an experienced C# Developer to join a high-performing payments technology team supporting a large-scale cloud migration initiative. This role will focus on enhancing backend applications, performing complex database updates, and helping modernize systems as they transition to Google Cloud Platform (Google Cloud Platform). The ideal candidate is a hands-on developer

Contract

$50 - $65 hourly

QA Engineer - Playwright and C# exp - Hybrid - Plano, TX - W2

Remote or Plano, Texas

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Today

We are seeking a skilled Senior QA Engineer to join our dynamic software development team. In this role, you will lead quality assurance initiatives across web applications and web services. You will be responsible for traditional manual/API testing, backend data verification, and building modern, reliable automated test suites. The ideal candidate blends strong foundational QA practices with modern automation expertise, possesses object-oriented coding skills, and is adept at utilizing AI-assis

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Contract

Senior Software Developer in Test (C#)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 client is hiring for a Senior Software Developer in Test who is highly proficient with test automation framework creation and enhancement. In this role, you ll work closely with developers to implement Reqnroll for scalable automated testing. The role is open to fully remote but candidates but must be willing to work ET hours within the United States. Day-to-Day Responsibilities: - Lead and implement automated testing using Reqnroll (SpecFlow-style BDD automation) for .NET servic

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Contract

DOE

Senior C#/Angular Developer

Remote or Hybrid

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Today

Our Fortune 100 client is hiring for a Senior Fullstack Developer to focus on Angular front-end development and C# back-end to enhance capabilities. This role requires expertise in C#, .NET (back-end), Angular (v18+), JavaScript, HTML (front-end), SQL Server, and APIs. You'll analyze requirements, write and test code, support production systems, and ensure seamless software integration. Experience with Duck Creek insurance platform is a plus. This is a fully remote role foowing an ET work schedu

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Contract

DOE

.NET Full Stack Developer

Vienna, Virginia

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Today

.NET Full Stack Developer Location: Vienna, VA 22182 / Southfield, MI Duration: 12+ Months Contract (Extension Possible) Work Authorization: W2 Only (if applicable) Job description: We are hiring an experienced .NET Full Stack Developer with strong expertise in C# .NET 8, Azure Functions, Azure SQL, Azure Service Bus, React, TypeScript, Next.js 15, REST APIs, Entity Framework Core, and SQL Server. Candidates should have experience with Azure-native architectures, event-driven systems, AI codin

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Contract

Depends on Experience

MANAGER - C# Software Engineering - Azure Cloud-Native Architecture

Remote

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7d ago

NO SPONSORSHIP - NO OPT Software Engineering Senior Manager - Azure Cloud SALARY: $195k - $235k plus discretionary bonus LOCATION: hybrid 3 days onsite if in Chicago Remote if in TX, MA, NY, DC, FL, CA. Target Salary Range : $195,000 - $234,400 Seeking a hands-on engineering leader with deep Azure expertise to lead a team of 5 7 engineers while driving cloud-native architecture, platform engineering, and modern software development within the Data & AI organization. Senior Engineering Manager wh

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Full-time

$195,000 - $235,000

W2 (No C2C) :: Remote (EST & CST Only) :: Sr Technical Lead / Architect with C#, AWS & Healthcare Data Solutions Exp.; G.C / U.S.C

Remote

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Yesterday

Sr. Technical Lead / Architect with C#, AWS & Healthcare Data Solutions Exp || G.C / U.S.C 18+Months Remote (EST & CST Only) **About the Company:** Join an innovative healthcare informatics organization dedicated to delivering cutting-edge technology for patient engagement, physician access, pharmacy benefit management, and payer data analytics. We partner with industry leaders in pharmaceuticals, biotechnology, and life sciences to optimize patient journeys and drive operational excellence th

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Contract

Depends on Experience

Principal Software Architect / Software Architect (.Net/C#)

Remote

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Today

Hello; Principal Software Architect / Software Architect (.Net/C#) Long Term Job Location- Remote Core Platform C# / .NET 8 ,ASP.NET Core ,Vue.js 3 / TypeScript , SQL Server ,COBOL (legacy) Cloud & AI Amazon Web Services (AWS), Amazon Bedrock , AWS Lambda / ECS , Docker, MCP Server Architecture Architecture Domains SaS / SaaS / PaaS / Multi-Tenant ,Microservices ,API-First Design ,Event-Driven Architecture , CI/CD / DevOps Core Responsibilities Lead enterprise technical architecture for SaaS-h

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Full-time, Part-time, Contract, Third Party

Software Engineer - C# (ASP.Net/.Net Core)

Remote

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Today

AVA Consulting is seeking a Software Engineer - C# (ASP.Net/.Net Core) Location: Remote - US U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time. Description: As a Senior Software Engineer, you will be a driver for many projects.You will interface with technical teams, lead projects, and mentor more junior engineers.You should be thorough in your designs and implementation, passionate about code quality, performance and continu

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Contract

60 - 65

Senior Software Engineer (C#/.NET)

Arlington, Virginia

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Today

Senior Software Engineer (C#/.NET) Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online

Full-time

USD 143,000.00 - 187,000.00 per year

C# Software Developer

Fort Belvoir, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Application Development, Quality Assurance (QA), Software Development Methodology Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Join GDIT and be a part of the team of men and women that solve some of the world's most co

Full-time

USD 123,250.00 - 166,750.00 per year

CANO/WiFi Software Developer- C/C#

Fort Belvoir, Virginia

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Today

Oak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated CANO/Wifi Developer (C/C#) to join our team! In this role you will conduct offensive development for Windows environments. Oak Grove Technologies is a Service-Disabled Veteran-Owned Business based in Raleigh, NC, with a Test and Training Center located near Fort Bragg and Camp Mackall. With over 20 years of expertise in training, consulting, technology, and operational support,

Full-time

.NET C# Developer

Washington, District of Columbia

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Today

Overview The C# .NET Developer will contribute to the development, enhancement, and maintenance of web applications and services that enable mission-critical operations in a federal environment. This role will work hands-on with the .NET framework and associated technologies to build clean, efficient, and reliable back-end components that integrate seamlessly with front-end and cloud-based systems. You will collaborate closely with senior developers, architects, designers, product owners, and

Full-time

USD 140,000.00 - 142,085.00 per year

Jr. Net, C#, SQL Developer - Active Top Secret required

Washington, District of Columbia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Development Experience, Microsoft .NET, Software Development Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a SOFTWARE DEVELOPER at GDIT. Here, you'll tailor cu

Full-time

USD 81,349.00 - 92,000.00 per year

Senior Software Engineer - C# / WPF

Arlington, Virginia

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Today

CaseGuard is looking for a senior engineer to help drive the evolution of CaseGuard Studio, a feature-rich .NET desktop application for video, audio, image, and document redaction. You'll own significant areas of a large WPF codebase that spans real-time video playback, AI-powered detection, and media processing pipelines - and help shape how the team builds software. Responsibilities: Lead technical design with product owners and designers, turning ambiguous product goals into architecture, act

Full-time

C# jobs in Fairfax, VA, USA