C# jobs in Washington

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 Full Stack Engineer - Canada, Remote

Remote

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Today

Job Title: C# .NET Full Stack Engineer (AI/LLM) Location: Canada (Candidates must be currently based in Canada) Employment Type: Long-Term Contract About the Role We are seeking an experienced C# .NET Full Stack Engineer with strong expertise in modern backend and frontend development, cloud technologies, and AI-powered application development. The ideal candidate will have hands-on experience building scalable enterprise applications using C#/.NET, Azure, Next.js, and React, along with practica

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Contract, Third Party

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

.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

Fullstack .net with .NET/C#, Angular,

Remote

•

Yesterday

Fullstack .net Remote Contract to hire Role Overview This is an updated version of a role we previously filled over a year ago. The core tech stack remains .NET/C#, Angular, and SQL Server, but the role has evolved in two significant ways: AI Integration The team is now exploring how AI tools (specifically Claude or similar LLMs) can fit into their workflows. They're developing features and functionality related to Claude this means building integrations, prompt engineering workflows, or AI-assi

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Contract

$50 - $60

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

Remote or Plano, Texas

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2d ago

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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4d 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

Full Stack C#/Angular Developer

Remote

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12d ago

Job Title:Full Stack C#/Angular Developer Location: Remote Duration: 12 Months + Extension Bill Rate: $70/hour Job Type: C2C/1099 Contract Client: To Be Discussed Later Work Authorization: U.S. Citizen, H-1B, OPT-EAD, GC-EAD POSITION SUMMARY: What to Expect The Insurance Claims Application team is seeking a Backend Software Engineer to contribute to the development of our Web App. These products are part of the advanced platforms for managing Service workflow for Vehicle, Insurance Claims and E

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Contract

$60 - $70

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

Remote

•

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

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

Remote

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2d ago

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

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, Third Party, Contract

C#/.NET Developer-- InRiver PIM

Remote

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2d ago

Job Title: C#/.NET Developer-- InRiver PIM Experience Range: 10+ years experience. Lead Required Skills Strong experience with C# and .NET CoreExperience developing and consuming REST APIsKnowledge of JSON, XML, and ETL processesStrong SQL skillsExperience working with Microsoft AzureExperience with InRiver PIM development (preferred); Product Information Management (PIM) experience is highly desirableRole Overview Responsible for building, enhancing, and maintaining customizations and processes

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Contract, Third Party

Depends on Experience

Sr. NET Developer / AI Developer / Power BI

Hybrid in Rockville, Maryland

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2d ago

Job Title: Sr. NET Developer / AI Developer / Power BI Location: MUST BE LOCAL TO MD, VA or DC Type: Contract Compensation: Negotiable, W-2 or C2C Work Model: Hybrid Hours: 35 work hours a week All residency status may apply Responsibilities Design, build, modernize, and support modern applications in Microsoft Azure Develop and implement cloud-native architectures utilizing .NET Core/.NET 8, C#, and Azure services such as App Services, Functions, API Management, Service Bus, Azure SQL, Azure O

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Contract

$80

.NET C# Developer

Washington, District of Columbia

•

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#/.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 onlin

Full-time

USD 143,000.00 - 187,000.00 per year

Cleared C# / .NET 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 91,300.00 - 184,900.00 per year

C# jobs in Washington, DC, USA