C# Developer jobs in District of Columbia

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

Jr - Mid level C# .Net Full Stack developer IOT

Remote

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Today

Jr - Mid level C# .Net Full Stack developer IOT Client is unable to sponsor visa at this time, so looking for USC. Required 26 years full-stack development shipping production software React / TypeScript + .NET C# or Python backend IoT protocol experience (MQTT, AMQP) or edge software integration Software packaging: installers, containers, or update agents AI tools in daily dev (Cursor, Copilot, Claude Code) CI/CD familiarity (GitHub Actions or equivalent) Nice to Have Medical device soft

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Contract

Depends on Experience

.NET / C# Developer - Senior - #879

Fort Belvoir, Virginia

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Today

.NET / C# Developer - Senior - #879 Location: Fort Belvoir, VA TS/SCI w/CI Poly REQUIRED Experience: Eight years of experience in .NET Development (including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development).Five years of experience with Software Development Life Cycle Process (SDLC).Five years of experience with software development Unit Testing, System Testing, Functional Testing, User Acceptance Testing, or other development testing experience.F

Full-time

Jr. Software Developer C#

Remote

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4d ago

Software Developer About The Opportunity The Intersect Group is partnering with a respected organization in the consumer finance industry that is committed to delivering innovative technology solutions that improve business operations and customer experiences. The company values collaboration, continuous learning, and technical excellence while fostering an environment where employees can develop their skills and make a meaningful impact. This is an opportunity to join a stable, technology drive

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Contract

Depends on Experience

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

Precision is seeking a Senior Full Stack Developer for a contract position supporting our Fortune 100 client. This fully remote role requires work during Eastern Time business hours and focuses on building and supporting software across the UI, backend, APIs, databases, and cloud. You will develop with C#/.NET and Angular while designing APIs and microservices. Strong AWS experience is essential, including DynamoDB, SQS, SNS, S3, Lambda, and Terraform. The role also includes technical documentat

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Contract

DOE

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

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DOE

Full Stack Developer / C# .NET / Vue / Azure / Remote

Remote

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Today

A leading food services and facilities management organization is seeking a Full Stack Developer for a remote contract opportunity. This role will support application modernization initiatives and the migration of enterprise applications to Microsoft Azure, utilizing technologies including C#, .NET, Vue/Nuxt, SQL, and RESTful APIs to build and enhance business-critical solutions. What sets this opportunity apart is the chance to work on modernizing and rebuilding applications in a collaborative

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Contract

$45 - $75

AI Full Stack Developer

Vienna, Virginia

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Today

AI Full Stack Developer (C#.Net / Java/ Python/ Golang) -W2 Contract 6- 10 Months Contract - Possible extension Location: Vienna, VA / Livonia, MI Required skills : Any programming language (C#.Net / Java/ Python/ Golang) , AI & Tooling Local candidates within 40 miles requiredOnsite interview required. Job description: Strong coding experience in any of these languages (C#.Net / Java/ Python/ Golang), Unittesting, REST API designReact / TypeScript / Next.js 15/ Angular App Router, RTK Query

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Contract

Depends on Experience

Full Stack Developer (Entry Level)

Sterling, Virginia

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Today

ASSYST is seeking a motivated Full Stack Developer (Entry Level) to join our growing engineering team in Sterling, VA (Onsite). This role offers an excellent opportunity to gain hands-on experience building enterprise-grade applications in an Agile environment. Responsibilities: Develop and maintain full-stack web applications across both front-end and back-end systems.Write clean, maintainable code and build reusable application components and APIs.Design responsive user interfaces using modern

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Full-time

Depends on Experience

Legacy .NET Developer

Hybrid in Vienna, Virginia

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Today

Job Title: Full Stack Developer Location: Vienna, VA Type: Contract Compensation: Open to Both C2C and W2 options Work Model: Hybrid onsite and remote Responsibilities Identify business requirements (e.g., needs, objectives, functions, features, input and output) and translate into delivered technical solutions Utilize approved company software development tools and software applications to design, develop, implement and maintain custom code business solutions that align with business initiat

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Depends on Experience

Software Developer

McLean, Virginia

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12d ago

Software DeveloperPractice: Software Development & Support / Digital Company: Guidehouse Location: RemoteSecurity and Work Authorization Requirements Must be able to obtain and maintain a Federal or Department of Defense Public Trust. Candidates must receive approved Public Trust adjudication before onboarding with Guidehouse. Candidates with an active Public Trust or current Federal suitability are preferred. Must be authorized to work in the United States without sponsorship.Position Overvi

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Contract

Depends on Experience

IT Application Development - Senior/Specialist (Olympia)

Remote or Olympia, Washington

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Today

Salary: $99,300.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Project (limited duration) Remote Employment: Flexible/Hybrid Job Number: 2026-08394 Department: Dept of Children, Youth, and Families Division: Information Technology Opening Date: 10/16/2026 Closing Date: 11/1/2026 11:59 PM Pacific Description Our vision is to ensure that "Washington state's children and youth grow up safe and healthy-thriving physically, emotionally and educationally, nurtured by fami

Full-time

USD 99,300.00 - 133,608.00 per year

C#/.Net Software Engineer

Hybrid in North Bethesda, Maryland

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12d ago

C#/.Net Software Engineer Rockville, MD hybrid (2 days a week onsite) $105-110K This is an engineering role that works as part of the software engineering team towards the development and deployment of enterprise and informatics software systems to support cancer clinical trials and research. The role provides a strong career growth opportunity in an innovative technology environment working in one of our nation's premier research organizations. Responsibilities: Manage individual task prior

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Full-time

Depends on Experience

AI Platform Engineer

Remote

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Today

Platform Engineer Agentic AI & Developer Platforms We are seeking an experienced Platform Engineer to join a high impact engineering team focused on building next generation AI powered developer platforms. This role will play a critical part in designing, developing, and operationalizing internal AI agent platforms, MCP servers, automation frameworks, and developer tooling that enable engineering teams to build and deploy software more effectively. The ideal candidate brings hands on experience

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Contract

Depends on Experience

.Net Developer - in person interview

Remote

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4d ago

Role: .Net Developer Location: 100% remote Duration: Long term We are looking for an experienced .NET/C# Developer with strong web services, Windows-based application development, and SQL development skills. The ideal candidate should be comfortable troubleshooting complex issues and working independently. Key Skills/experience required:.NET/C# developer with Services experience (RESTFUL, WCF, etc.).NET frameworksWindows based development (WPF, WinForms)SQL developmentAbility to troubleshoot and

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Third Party, Contract

50 - 55

.NET Developer in Washington, DC

Hybrid in Washington, District of Columbia

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Today

Location: Washington, DC Duration: 1+ Year Mandatory Qualifications Bachelor's degree. Minimum five years of software development experience. At least three years of experience with ASP.NET and/or .NET Core. Preferred Qualifications Microsoft technical certification. Experience with C#, REST APIs, SQL Server, Git, and Azure DevOps. Experience developing applications in enterprise or government environments.

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Sr. Web Application Developer

Remote

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Today

Job Title: Sr. Web Application Developer Location: Indianapolis, IN Type: Contract Compensation: $58 - $70 Work Model: Remote offsite Responsibilities Lead the architecture, design, and development of modern web applications across a diverse technology stack, including .NET/C#, Node.js, and front-end frameworks (React, Angular, Vue). Design and implement scalable, cloud-native solutions using microservices and serverless architectures. Establish and enforce engineering best practices, codin

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Contract

$57.65

.NET Full Stack Engineer

Vienna, Virginia

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12d 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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Third Party, Contract

Depends on Experience

Application Developer 1/2/3 (PCNs 87)

Remote or Anchorage, Alaska

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Today

Salary: $2,725.50 - $3,563.25 Biweekly Location : Anchorage, AK Job Type: Full Time Remote Employment: Flexible/Hybrid Job Number: 55689 Department: Fish & Game Division: Sport Fish Opening Date: 10/26/2026 Closing Date: 11/9/2026 5:00 PM Alaska Division: Sport Fish Position Open To: Alaska Residents Only Bargaining Unit: General Government Range: 18/20/22 Job Description This position is open to Alaska Residents only. Please check our residency definition to determine if you qualify. The Alask

Full-time

USD 2,725.50 - 3,563.25 per week

Sr. Full-Stack Application Developer with Active Top Secret

Washington, District of Columbia

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12d ago

Title: Senior Full-Stack Application Developer Clearance: TS or TS/SCI Location: Washington, DC or Tysons, VA Work Arrangement: 5 days onsite Duration: 12+ Months Description: We are seeking a hands-on Senior Full-Stack Application Developer / Software Engineer to design, develop, and deploy secure, scalable enterprise applications and APIs. The ideal candidate must have strong software development experience and the ability to independently translate business requirements into fully functional

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Full-time

Depends on Experience

C# Developer jobs in Washington, DC, USA