C# 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

C#/.Net Software Engineer

Hybrid in North Bethesda, Maryland

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16d 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

Applications Developer

Tysons, Virginia

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11d ago

Job Description: Position Title: Applications Developer City: Tysons (McLean) State: VA Country: US Type: 4 (Exempt, Bargaining Unit 1 (EB) # of Openings: 1 Category: Information Technology & Services - Applications Developer Company Name: Air Line Pilots Association, Int'l., Tysons (McLean), Virginia, United States Description: Applications Developer The Air Line Pilots Association, International (ALPA), the largest airline pilot union in the world and the largest non-governmental avi

Full-time

$80,884 - $139,923

Senior Azure Application Developer (Cloud-Native) in Washington, DC

Washington, District of Columbia

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Today

Location: Washington, DC Duration: 1+ Years Mandatory Qualifications Bachelor's degree. Development experience in the five-to-eight-plus-year range. Strong proficiency in C#/.NET and REST APIs. Hands-on experience with Azure-native architecture and modern application design patterns. Preferred Qualifications Microsoft Azure Developer Associate certification. Experience with Azure Functions, App Service, Azure SQL, Azure DevOps, and cloud-native integrations. Experience with event-driven archi

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Contract

Lead .Net Full Stack Developer

McLean, Virginia

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19d 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 Software Engineer

Vienna, Virginia

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15d ago

Position: .Net Fullstack Developer Duration: 12 Months with possible extension Location: Vienna, VA Position Summary We are seeking a Senior Full Stack Engineer to lead the design, development, and delivery of scalable enterprise applications across frontend, backend, APIs, and data platforms. This role requires a hands-on technical leader who can architect complex systems, mentor engineers, drive best practices, and deliver high-quality solutions using .NET, React/Angular, and SQL technologies

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Full-time

Depends on Experience

Senior DevOps Engineer - .NET/C#/CI/CD & Automation

Remote

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Yesterday

Job Title: Senior DevOps Engineer C#/.NET & Automation Type: Full Time/W2 with Infinite Computer Solutions Position Overview We are seeking a Senior DevOps Automation Engineer with software development background to design, develop, and maintain deployment automation solutions and reusable CI/CD frameworks. The role combines software engineering principles with DevOps practices to improve deployment efficiency, reliability, scalability, and automation across application environments. Required

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Full-time

1,20,000 - 1,30,000

Senior DevOps Engineer | C#/.NET | CI/CD | PowerShell

Remote

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2d ago

Senior DevOps Engineer C#/.NET & Automation Remote Role Fulltime/W2-Infinite Computer Solutions Position OverviewWe are looking for a Senior DevOps Engineer with strong C#/.NET development experience to build and enhance CI/CD pipelines, deployment automation tools, and reusable automation frameworks.This role is ideal for someone who combines software engineering expertise with DevOps practices to streamline deployments, improve efficiency, and deliver scalable automation solutions.Key Respons

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Full-time

Up to $120,000

.NET Full Stack Engineer

Vienna, Virginia

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16d 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

Software Development Engineer (Only W2 )

Hybrid in McLean, Virginia

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18d ago

About the Role We are looking for a Software Development Engineer to join our team on a major internal development project. In this role, you will focus heavily on backend service development using Go (Golang) and cloud deployments on AWS. Key Requirements (Must-Haves) Programming Experience: 3+ years of experience developing backend services (e.g., REST API services).Preference: Strong hands-on experience with Go (Golang).Alternative: Candidates with strong experience in Java or C# will be con

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Contract

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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Contract

DOE

OpenLink Endur Developer / Specialist (.NET / C#)

Remote

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2d ago

Position OverviewWe are seeking an experienced OpenLink Endur Developer with a strong technical background in .NET / C# to design, develop, test, and maintain custom solutions within our Endur ETRM/CTRM platform. In this role, you will collaborate with business analysts, trade support, and risk teams to deliver robust custom OpenJVS/OpenComponents (.NET) scripts, plugins, report builders, and system integrations across energy and commodity trading desks. Key ResponsibilitiesDevelopment & Customi

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Contract

00+

Senior Software Engineer - .NET, C#, WPF

Remote

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Today

Job Description A Global Software Engineering company is seeking a Senior Software Engineer to develop and extend business applications for enterprise clients while providing technical leadership and mentorship to the development team. Working within an Agile Scrum environment, you will build and enhance applications across desktop and mobile platforms, including WPF, UWP, iOS, and Android. This role combines hands-on software development with project ownership, client engagement, and solution

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Full-time

$115000 - $130000

.Net/ C# Developer with EDI X12 - Rate is $60/hr - Remote

Remote

•

Yesterday

Must provide 2 Managerial references for this role Remote role - Must have X12 EDI AWS 8+ years software engineering experience with distributed, high-volume transaction-processing systems.Healthcare EDI/X12 exp, particularly 270/271 eligibility, Service Type Codes, and payer connectivity.Strong C#/.NET backend development, including async programming, performance tuning, resiliency, and automated testing.Experience with event-driven architectures and messaging, preferably RabbitMQ or equivalen

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Third Party, Contract

Depends on Experience

Application Full Stack Developer -- API C#, ASP.NET, .NET Core, MVC

Remote

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2d ago

Dear Candidate, If below requirement suits you then please share your updated resume. New position: Application Developer/Architect Duration: 12 months 100% Remote C2C Rate: $60/hr Skills and Role: Design, develop, and support enterprise applications using Microsoft technologies and modern web frameworks. Work closely with business stakeholders to deliver secure, scalable, and high-performance solutions. Key Skills: C#, ASP.NET, .NET Core, MVCReact, JavaScript, jQuery, HTML, CSS, BootstrapSQL S

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Contract

60+

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

Full Stack Developer (Entry Level)

Sterling, Virginia

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4d ago

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

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, NET Framework, 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 cut

Full-time

USD 81,349.00 - 92,000.00 per year

Software Engineer I (C#/.NET)

Arlington, Virginia

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Today

Software Engineer I (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 mar

Full-time

USD 108,000.00 - 154,000.00 per year

C# jobs in Washington, DC, USA