C# jobs in District of Columbia

Hybrid in Rockville, Maryland

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14d ago

Role - Computer Programmer, (Junior) Contract Type W2 Contract length Longterm Job Location Rockville MD Onsite and some telework allowed The Application Integration Developer will work with the IT Division to enhance and expand functionality for data integrations. The selected candidate will join an existing team of Windows Application Developers using C# and VB.net within Windows Forms and WCF web services and is expected to have experience in those technologies. Duties: Participation in

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Full-time

Depends on Experience

Mainframe Developer with C#

Remote

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Yesterday

Hiring, Greetings from Modern Agile Technologies. Position: Mainframe Developer with C# Location: Remote (Fine to work in AZ time zone) Type: Contract Position: Mainframe Developer (C#/.NET) Required Skills: Strong experience in Mainframe technologies (COBOL, JCL, CICS, DB2, VSAM).Hands-on experience in C#/.NET development.Experience with SQL Server and database design.Knowledge of mainframe modernization, integration, and API development.Health care knowledge (preferred)

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Contract

Depends on Experience

.Net Software Engineer

Vienna, Virginia

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10d 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

C#/Duck Creek Developer (Field Engineer)

Remote or Hybrid

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Today

Precision is seeking THREE (3) Duck Creek/C# Developers for a contract position with our Fortune 100 client. This fully remote role supports software applications and platform enhancements using Duck Creek Policy, C# .NET, Kafka, and API development. You will analyze requirements, create programming specifications, develop and test code, support production applications, and maintain technical documentation. The role requires strong troubleshooting, problem-solving, organization, and communicatio

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Contract

DOE

Lead .Net Full Stack Developer

McLean, Virginia

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Today

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

Senior GenTax Developer - C#/PostgreSQL - REMOTE

Remote

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10d ago

Job Description: No Corp to Corp, Only W2/ 1099 Resumes will be considered Work Location: 100% Remote (Manager is willing to consider candidates in Eastern, Central, Mountain, and Pacific Time Zones) The candidate will be responsible for analysis, design, coding, testing, and documentation. The candidate will code enhancements and develop required fixes to production problems using the functional and technical programming standards of the GenTax system. The tool set will include C#, PostgreSQL,

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Contract

Depends on Experience

Sr. .Net Application Developer with 15+ Years Exp

Washington, District of Columbia

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2d ago

DHS App. Technical Specialist (812336) Work Location : 64 New York Ave, NE. Washington, DC - Onsite Description: 11-15 years of experience. Proven professional experience in the design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Microsoft .NET Technologies, ASP & C# (C-Sharp). This position is housed under Application Software Development (ASD) Division (ASD) of the Office of Information Systems (OIS). The developer will buil

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Contract

75 - 85

Sr. C# .Net Developer with COBOL

Remote or Hybrid

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Today

Remote Only W2 - No Corp to Corp C#.NET and able to understand the COBOL programming for a short-term duration of 3 to 6 months

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Contract

Lead .Net Developer

Arlington, Virginia

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Yesterday

Location: Arlington VA or Merrifield/Fairfax VA Duration: 12 months Reporting: 100% onsite Required Skills: Minimum 15 years of web development experience. Minimum 5 year of .Net Core/Standard development experience. Minimum 10 years of ASP.Net C# MVC based web development experience using Visual Studio 2017 or higher. Minimum 8 years of experience with Agile development methodologies including participation in Sprints, Backlog grooming, and Agile Ceremonies. Bachelors degree in a related

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Contract

Depends on Experience

Mainframe with C#

Remote

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Today

Role :- Mainframe Consultant with .Net C# Location: | Remote Contract OpportunityLooking for a strong Mainframe Developer with:Hands-on C# coding experience Strong Mainframe experience Excellent communication skills Ability to work independently in a remote environment

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Third Party, Contract

Depends on Experience

.NET/C# web developer - Local to CA

Remote

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2d ago

.NET/C# web development Client is in California Remote in the USA 8 to 12 months. Position requires evidence of 5+ years SQL Server, 5+ years .NET/C# web development, 3+ years Azure, 5+ years data modeling/database design, 3+ years Microsoft Access, 5+ years requirements gathering, 5+ years project management and 5+ years testing medium/large applications. Please send me our strongest resumes that collectively demonstrate all eight requirements, particularly Microsoft Access and Azure. Also id

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Full-time

Depends on Experience

C#.NET Developer with Trading And Capital Market Exp

Remote

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Yesterday

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. Role: C#.NET Developer with investment banking and Capital Market exp.Location: NY(Remote)Job Type: W2 / Fulltime Client is looking for a reliable full stack Dot Net developer ASAP.Wealth Management & Capital Market (Trading, Equities, Portfolio) Exp. Must.SQL, C#, .NET, Full stack developer with 8+ years of experienceProficiency in C#, .NET framework, and object-oriented programming principles.Experienc

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Full-time

Depends on Experience

.NET Full Stack Engineer

Vienna, Virginia

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Today

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

Full Stack Developer

Merrifield, Virginia

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28d ago

Title: Full Stack Developer Location: Merrifield, VA Employment Type: Contract Compensation: Pay Range$90.00-$94.00 Per Hr Description Join our team as a Full Stack Developer in a dynamic and collaborative environment. This onsite contract position requires expertise in both front-end and back-end technologies. You will be responsible for developing solutions, collaborating with teams, and utilizing a variety of programming languages to meet business needs. Key Responsibilities Identify and

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Contract, Third Party

$90 - $94

Senior .NET Developer

Remote or Hybrid in Vienna, Virginia

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16d ago

ITCON Services is seeking a highly experienced Senior Developer for a contingent position to provide operations, maintenance, and modernization of system that includes user forms, the entry, validation, certification, approval, and posting of data and centralized data warehouse to support reporting of program information. The Senior Developer will design, develop, enhance, deploy, and maintain Microsoft-based web applications, data integrations, databases, and reports using C#, ASP.NET/.NET, S

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Full-time

130,000 - 140,000

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 / 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

Software Engineer - C#/ BCS

Reston, Virginia

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Today

Job Summary: Securiport LLC is a U.S.-based company headquartered in Reston, VA, specializing in the design and implementation of advanced border security solutions, including passenger biometric recognition, immigration processing, and intelligent information management systems. Our technology enables governments worldwide to enhance security, screening, and operational efficiency. We are seeking a Software Engineer (3-5 years experience) to join our Product Development team. In this role, you

Full-time

USD 110,000.00 - 135,000.00 per year

Software Engineer III: Backend C#

Remote

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Today

Jack Henry, provides advanced bill payment and money transfer solutions to banks and credit unions. We offer modernized smart technology, including AI driven, security, cloud-based software, and fraud monitor, to deliver engaging payment solutions to customers. Our solutions help financial institutions to meet the payment expectations of today and the payment innovation needs of tomorrow. Payments become smarter, engaging, and predictive with Payrailz. We are looking for a software engineer who

Full-time

Managing Engineer (C#/ASP.NET)

Remote

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Today

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Managing Engineer (C#/ASP.NET) leads a team of softwa

Full-time

USD 100,000.00 - 170,500.00 per year

C# jobs in Washington, DC, USA