C# Jobs in Leesburg, VA

Refine Results
1 - 20 of 472 Jobs

Software Engineer Intern

Lockheed Martin Corporation

•

Herndon, Virginia, USA

Part-time

Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our em
Posted 9 hours ago

Ruby On Rails , C# ( Full Stack Developer ) - Plz refrain sending 3rd Party profiles , Need candidate on our payroll

Radiantze

•

Remote

Contract

Title : Senior Full-Stack Developer Duration : Long Term Location : Remote Client Industry : Medical Supply About the Role We are seeking an experienced Senior Full-Stack Developer to join our dynamic team in a fully remote capacity. This role is perfect for a seasoned professional with 8-10 years of experience who excels in both Ruby on Rails and C# ecosystems, with expertise in distributed systems architecture and modern data processing environments. Key Responsibilities Design and develop r
Easy Apply
Posted 6 hours ago

Full Stack Developer - Angular and C#.NET Core

NTT DATA Americas, Inc

•

Remote or Pittsburgh, Pennsylvania, USA

Contract

Company Overview: Req ID: 335123 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Full Stack Developer - Angular & C#.NET Core to join their team in Pittsburgh, Pennsylvania (US-PA), United States (US).REMOTE Job Description: Job Summary We are seeking a proactive and skilled Full Stack Developer with 3
Easy Apply
Posted 17 hours ago | Updated moments ago

C# Developer

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2505146 Location: CHANTILLY, VA, US Date Posted: 2025-04-29 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC is currently looking to hire a C# Developer to join our team located in Chantilly, VA! Basic Qualifications: Bachelor's Degree in Computer Science, Information Systems, Engineering or related
Posted 60+ days ago | Updated 8 hours ago

C# Dot Net Developer with Trading & Capital Market EXP.

Magnum Technologies, Inc.

•

Remote

Full-time

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. W2 ONLY (No C2C) Role: C# Dot Net Developer with Trading EXP. Location: NY(Remote) Job Type: W2 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.Experience with financial
Easy Apply
Posted 7 hours ago

C#/.Net Solution Architect Experience - W2

Narvee Tech Inc

•

Remote

Contract

Job Title: C#/.Net Solution Architect Experience Duration: 6-12+ Months Location: Remote Job Description: C# .NET framework, Angular JSRequested Experience: 10 years as C# development.Expertise/proficiency merging and releasing from multiple branches in GitHub,Auto-Desk Vault experience (DSTrack requires integration of Auto-Desk Vault with the Vault-API).
Easy Apply
Posted 5 hours ago

C#/.Net Solution Architect Experience-W2

Narvee Tech Inc

•

Remote

Contract

Job Title: C#/.Net Solution Architect Experience Duration: 6-12+ Months Location: Remote Job Description: C# .NET framework, Angular JSRequested Experience: 10 years as C# development.Expertise/proficiency merging and releasing from multiple branches in GitHub,Auto-Desk Vault experience (DSTrack requires integration of Auto-Desk Vault with the Vault-API).
Easy Apply
Posted 5 hours ago | Updated 5 hours ago

React Native C# Developer

Bi Labs

•

Remote

Contract

React Native Developer (with C#) Remote 12+ Months Contract 5+ years of experience in mobile development with React Native and native mobile technologies Proven experience with the full mobile development lifecycle, from development to deployment and ongoing support Strong proficiency in JavaScript/TypeScript Hands-on experience publishing and managing mobile applications on Google Play Store and Apple App Store Experience integrating RESTful APIs and web services Understanding mobile UX/UI bes
Easy Apply
Posted 7 days ago | Updated 7 days ago

Full Stack Developer (C#/Blazor)

Kforce Technology Staffing

•

Remote or Irving, Texas, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Full Stack Developer (C#/Blazor) in Irving, TX. For 2025 they are starting an initiative in IT - they don't have a lot of application in C# and .Net, Azure and are wanting to move away from Oracle based applications. The client wants to focus on enterprise application development experience, building from scratch. REQUIREMENTS: * Looking for someone with experience in C#, .Net, Blazor * Heavy hands-on coding and development; Open to Sr/Lea
Posted 2 days ago | Updated 2 hours ago

C# developer with Kafka and Ruby experience

People Force Consulting Inc

•

Remote

Contract

Seeking a seasoned C# Developer with 10 12+ years of experience to build enterprise-grade applications, leveraging.NET technologies with added exposure to Kafka and Ruby in a collaborative, agile environment Experience: 10+ Years Location: Remote Duration: 6 Months Educational Qualifications: Engineering Degree BE/ME/BTech/MTech/BSc/MSc.Technical certification in multiple technologies is desirable.Responsibilities: Design, develop, and maintain high-performance applications using C# and .NET tec
Easy Apply
Posted 9 days ago | Updated 5 hours ago

Sr. Full-Stack C# Engineer

TriCom Technical Services

•

Remote

Full-time

Sr. Full-Stack C# Engineer Responsibilities Contribute to the design and architecture of a B2B SaaS platform.Help scale the B2B SaaS platform and build new features.Develop novel algorithms to solve challenging problems.Create tooling for data and process automation.Research and design future tools and techniques.Requirements Bachelor s degree in Computer Science or a related field.Experience working on complex B2B SaaS projects.10+ years of C# development experience including asynchronous and
Easy Apply
Posted 6 days ago

Senior Developer Tech Lead Position - C# with Workflow Orchestration tools using WSO2 or MuleSoft or Mendix or Appian.

Digipulse Technologies, Inc

•

Remote

Full-time, Third Party

(Job Description) - Hands-On Senior Developer Tech Lead Position 1. Strong proficiency in C# for scalable, maintainable development. 2. Hands-on experience with Workflow Orchestration tools using WSO2 or MuleSoft or Mendix or Appian. 3. Expertise in API Management/Gateway platforms such as WSO2 or Apigee or Mulesoft. 4. Lead the design and development of enterprise-grade APIs and Microservices. 5. Design and implement event-driven architecture using Kafka or RabbitMQ. 6. Provide technical leader
Easy Apply
Posted 22 days ago

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's)

ConsultNet, LLC

•

Remote or Dallas, Texas, USA

Full-time

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's) Remote (MST, Central or Eastern Time Zone) 6-12-month Contract or Contract to Hire Pay Rate: 75-80/hr A rapidly growing technology-driven organization focused on streamlining how sensitive records are managed, processed, and shared. They specialize in transforming manual, compliance-heavy workflows into secure, efficient digital solutions-helping clients improve access, accuracy, and overall operational performance across regulated env
Easy Apply
Posted 30 days ago | Updated 10 hours ago

MES Developer with .net and C#

Indotronix International Corp

•

Remote

Contract

Role: MES Developer Location: Remote Pay Rate: $77/Hr on W2 Duration: 6+ Months Location: Remote, required to be within 1-2 hour commutable distance in one of the following client office locations: - Corning, NY - Charlotte, NC - Vineland, NJ - Phoenix, AZ - Hemlock, MI - Hickory, NC - Blacksburg, VA - Keller, TX - Boston, MAKey Responsibilities: Strategic view and understanding of Siemens Opcenter/Camstar Execution to lead design and development efforts across client. Design, implement,
Easy Apply
Posted 29 days ago

C#.Net Developer/ Azure (W-2 only)

Kellton

•

Remote

Contract

This is a fast moving position with a great Top 100 client. They will interview within a couple of days This role is completely remote and is W-2 only No c2c for this role please . Overview: We are seeking a skilled and experienced DotNet Developer to join our team and contribute to the development and enhancement of Supply Chain Management (SCM) solutions. The ideal candidate will have a strong background in .NET technologies and strong experience in Azure DevOps, Azure Services (AKS, KeyVault,
Easy Apply
Posted 23 days ago | Updated 7 days ago

Senior C# Full Stack Developer

Precision System Design Inc.

•

Remote

Contract

Our Fortune 100 direct client is hiring for experienced Senior Full Stack Developers to work on large-scale IT projects. You would be designing and coding in a variety of technologies supporting and developing an Vue/Angular UI application, with C# back-end microservices. The ideal candidate will have strong C# development experience, has worked with front-end technologies such as angular, and back-end experience with SQL Server. This role can be done fully remotely following an EST work schedul
Easy Apply
Posted 29 days ago | Updated 11 hours ago

C# Developer

Kforce Technology Staffing

•

Remote or Boca Raton, Florida, USA

Third Party, Contract

RESPONSIBILITIES: Kforce has a client that is seeking a C# Developer in Boca Raton, FL. Key Responsibilities: * Architect, develop, and maintain a modern full-stack multi-tenant SaaS platform using .NET 9, C#, and Azure * Apply Domain-Driven Design () and clean architecture principles to support scalability, maintainability, and long-term growth * Build intuitive and responsive front ends using Telerik UI for ASP.NET Core, Bootstrap, Razor Pages, HTML, jQuery, and JavaScript * Design and implem
Posted 30 days ago | Updated 2 hours ago

Mid-Level Software Developer/Remote/.NET/C#

Motion Recruitment Partners, LLC

•

Remote or Philadelphia, Pennsylvania, USA

Full-time

A technology company is seeking software developers to join their full-time remote team. This organization provides specialized solutions to clients across various industries and values individuals who demonstrate strong character and integrity. In this role, software developers will contribute by building new features, identifying areas for performance improvements, and collaborating with team members and stakeholders across departments. Responsibilities may include working with databases, dev
Easy Apply
Posted 16 days ago | Updated 7 hours ago

Senior .Net Developer with Azure and C#

Sky Solutions LLC

•

Remote

Contract

Looking for Senior .NET Developer with strong Azure and C#. accepting only W2
Easy Apply
Posted 3 days ago

.NET Microservices Developer - (C#, .NET Core, ASP.NET, SQL Server)

Cloud and Things

•

New York, USA

Full-time, Contract, Third Party

Our goal is to solve problems and deliver results for our clients. At Cloud and Things, you can be a part of transforming the public sector's IT environment. Our team is on the forefront of helping to solve the government's most complex IT challenges. If you are seeking a role that offers the opportunity to work on rewarding projects, consider a career with Cloud and Things. *This is an exempt position. Salary commensurate with experience* Overview: We are seeking a .NET Microservices Developer
Easy Apply
Posted 12 days ago | Updated 3 hours ago