.Net Developer jobs in Reston, VA

Hybrid in Vienna, Virginia

•

Today

.Net Full Stack Developer Long term contract / Open for Fulltime job Location: Onsite Vienna, VA - Hybrid model Work Arrangement: Onsite Local Candidates: Must be within 40 miles Interview: In-Person/Onsite Interview Required Job description: Software development experience. Strong C# .NET 8 Azure Functions, Entity Framework Core, xUnit testing, REST API designStrong React / TypeScript / Next.js 15 App Router, RTK Query, Tailwind CSS, component library patternsAzure SQL / SQL Server schema de

Easy Apply

Contract, Third Party

Depends on Experience

Full Stack .Net Developer

Ashburn, Virginia

•

Today

Job ID: 2617276 Location: Ashburn, VA, US Date Posted: 2026-09-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented Mid-Level Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SA

Full-time

USD 80,001.00 - 120,000.00 per year

Senior Full-Stack .Net Developer

Ashburn, Virginia

•

Today

Job ID: 2617274 Location: Ashburn, VA, US Date Posted: 2026-09-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SA

Full-time

USD 120,001.00 - 160,000.00 per year

.NET Developer

Arlington, Virginia

•

Today

100% Remote | C#/.NET | Growing SaaS Company This Jobot Job is hosted by: Ellie Staver Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $110,000 - $130,000 per year A bit about us: We are a growing software company providing a cloud-based SaaS platform used by organizations across the country to manage their day-to-day operations. Our platform supports everything from registration and scheduling to billing, payments, attendance, reporting, a

Full-time

USD 110,000.00 - 130,000.00 per year

Senior ColdFusion/.NET Developer

Washington, District of Columbia

•

Today

Client is seeking an experienced Senior ColdFusion/.NET Developer to support a mission-critical application environment for the (FDA). The successful candidate will be responsible for designing, developing, enhancing, maintaining, and modernizing enterprise applications built using Adobe ColdFusion and Microsoft .NET technologies. This role requires a strong hands-on developer who can work effectively across both legacy and modern application environments, troubleshoot complex technical issues,

Easy Apply

Full-time

Depends on Experience

.NET developer

Washington, District of Columbia

•

2d ago

Role: .NET developer with LINQ + automation Location: Washington, District of Columbia Duration: 3 Months with Possible extension Responsibilities: Develop and maintain applications using C#, .NET / .NET Core.Use LINQ extensively for querying, filtering, transforming, and processing data.Build and maintain test automation frameworks for software applications.Automate functional, regression, integration, and API testing.Develop reusable automation scripts and libraries.Work with SQL databases an

Easy Apply

Contract, Third Party

Depends on Experience

Sr. .Net Developer II

Washington, District of Columbia

•

Today

Description: Hybrid 2-3 days in either Washington, DC or DC Our client seeks a Sr. .Net Developer II to serve as a senior full-stack engineer and technical lead. You will build and modernize enterprise applications using .NET and React, drive architecture and development standards, make tooling decisions, and promote engineering best practices. You will design APIs and services, integrate solutions across Microsoft 365, SharePoint, Teams, and the Power Platform, lead AI-enabled modernization i

Full-time

USD 145,000.00 - 165,000.00 per year

.NET Software Developer - Full-Stack (Multiple Levels)

Washington, District of Columbia

•

Today

Responsibilities Noblis is helping the Federal Aviation Administration (FAA) manage large and complex telecommunications and information management programs that use state of the art technologies to manage enterprise infrastructure services essential to the safe and efficient operation of the largest, safest, and most complex aviation system in the world. We are seeking smart, passionate, and motivated people to join our proven team in a challenging and rewarding work environment where you will

Full-time

USD 65,200.00 - 101,950.00 per year

.NET developer with automata LINQ and Laboratory experience

Washington, District of Columbia

•

7d ago

Role: .NET developer with LINQ + automata Location: Washington, District of Columbia Duration: 3 Months with Possible extension Responsibilities: Develop and maintain applications using C#, .NET / .NET Core.Use LINQ extensively for querying, filtering, transforming, and processing data.Build and maintain test automation frameworks for software applications.Automate functional, regression, integration, and API testing.Develop reusable automation scripts and libraries.Work with SQL databases and

Easy Apply

Contract, Third Party

Depends on Experience

Lead .Net Developer

Arlington, Virginia

•

Today

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

Easy Apply

Contract

Depends on Experience

Lead .Net Full Stack Developer

McLean, Virginia

•

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

Easy Apply

Contract

$60 - $70

.Net Developer with Vulnerability and Azure

Remote

•

Today

Job Title: .NET Developer Azure / Security & AI Location: Remote Duration: Long Term Contract Job Description We are seeking an experienced .NET Developer with strong Azure experience to design, develop, enhance, and maintain enterprise applications. The ideal candidate should have hands-on experience with application security, vulnerability management, code-scanning tools, and AI-assisted development tools. Required Skills Strong hands-on experience with C#, .NET / .NET Core / ASP.NET Core

Easy Apply

Third Party, Contract

Depends on Experience

Senior Full Stack .NET Developer - California or Hawaii

Remote or Hybrid in Honolulu, Hawaii

•

4d ago

Internal Position Title: Application Developer Come join our development team! We are a small, experienced and supportive team that enjoys solving challenging problems, reviewing ideas, sharing knowledge and building reliable solutions together. We value practical approaches, thoughtful technical discussions and an environment where everyone can contribute and continue developing professionally. We are looking for a hands-on Senior Full Stack .NET Developer to maintain and enhance business-crit

Easy Apply

Full-time

145000 - 160000

.NET Developer - Newark, NJ, New York City, NY, Boston, MA, Hartford, CT, Princeton, NJ.

Remote or Newark, New Jersey

•

Today

Job Title: .NET Full Stack Developer Location: Newark, NJ, New York City, NY, Boston, MA, Hartford, CT, Princeton, NJ. Contract: 12+ Months Looking for W2 candidates. No C2C Job Summary We are seeking a Lead .NET Full Stack Developer to lead enterprise modernization initiatives using .NET, Blazor, Angular, Azure, and distributed cloud-native architectures. The ideal candidate should possess strong technical leadership and solution architecture experience. Key Responsibilities Lead enterprise a

Easy Apply

Contract

Depends on Experience

Sr. .Net Application Developer with 15+ Years Exp

Washington, District of Columbia

•

3d 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

Easy Apply

Contract

75 - 85

Lead Developer / .Net Developer

Remote or Des Moines, Iowa

•

Today

Description Database Administration / DBA Technical "Player / Coach" Manager Location : Des Moines - HYBRID Salary : up to175K++ TOTAL COMPENSATION. $150K+ BONUS + Profit Sharing Are you a hands-on database "Player / Coach" Leader who thrives at the intersection of people leadership, platform reliability, and technical problem-solving? We're seeking a Database Administration / DBA Technical "Player / Coach" Manager Are you a hands-on database leader who enjoys balancing team leadership with de

Easy Apply

Full-time

USD 140,000.00 - 150,000.00 per year

Senior .NET Developer

Remote or Hybrid in Vienna, Virginia

•

17d 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

Easy Apply

Full-time

130,000 - 140,000

Senior Full Stack .NET Developer - California or Hawaii

Remote or Hybrid in Sacramento, California

•

4d ago

Easy Apply

Full-time

145000 - 160000

Senior .NET Developer

Remote

•

2d ago

Job Title:Senior .NET Developer Location: Los Angeles, CA Duration: 12 Months + Extension Bill Rate: $80/hour Job Type: W-2 Contract Client: To Be Discussed Later Work Authorization: U.S. Citizen, H-1B, OPT-EAD, GC-EAD Job Description: 7+ years of experience in .NET application developmentStrong experience with C#, ASP.NET, .NET Framework, and .NET CoreStrong hands-on experience with Microsoft SQL Server, T-SQL, stored procedures, and query optimizationExperience developing and consuming REST

Easy Apply

Contract

$140,000 - $160,000

C#.NET Developer with Trading And Capital Market Exp

Remote

•

2d ago

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

Easy Apply

Full-time

Depends on Experience

.Net Developer jobs in Reston, VA, USA