.Net Developer jobs in Reston, VA

Fairfax, Virginia

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Today

Conceives, designs, and tests logical structure to meet program requirements. Writes programs according to specifications provided. Builds, deploys and maintains programs, Web Site pages and applications. Develops and improves site navigation and applications. Responsible for the design, development, and configuration of software systems to meet market and/or client requirements. Updates, repairs, modifies, and expands existing computer programs. Writes, tests, and maintains computer programs. U

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Full-time

Fullstack C#/.NET Developer

Arlington, Virginia

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Today

We have partnered with our client in their search for a Fullstack C#/ .NET Developer in Arlington, VA. Responsibilities * Full-Stack Development: Design, develop, and maintain end-to-end software solutions including frontend, backend, and APIs, ensuring high performance, scalability, and reliability. Data-Intensive Applications: Work on data-intensive applications, optimizing data storage, retrieval, and processing to ensure efficient performance and responsiveness. Architecture & Design: Co

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Contract

$55 - $60 per hour

Sr. .NET Developer

Rockville, Maryland

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26d ago

We are seeking a highly motivated, flexible, organized, and detail-oriented Senior .Net Developer (Multiple Positions) to join our dynamic team in Rockville, MD. If you want to learn, grow, and help then this is the job for you. What you do matters and has significant impact on the medical, health, and scientific communities we serve. Your work here really matters and has real impact. Responsibilities Design and develop new features and/or maintain existing applications developed on C# and ASP.

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Full-time

$60 - $65

.Net Developer

Rockville, Maryland

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3d ago

W2 Contract only for LOCALS! We are seeking a 10+ years highly experienced Sr. Net Developer to join our client team in Rockville, MD. Interested candidates can apply via their latest resume.

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Contract

Depends on Experience

.Net Developer

Arlington, Virginia

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2d ago

Join our dynamic team as a .NET Developer, where you'll play a pivotal role in transforming digital engagement initiatives for a major health institute. This contract position offers a unique opportunity to lead and innovate within a collaborative environment. Responsibilities Lead the design and development of application and data transformation projects, ensuring alignment with client goals. Collaborate with team members to deliver impactful solutions for public websites and internal applicati

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Contract

Depends on Experience

.Net Developer

Arlington, Virginia

•

Today

In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. These are Software Engineering positions at both Director & Associate level, which is part of the job family responsible for developing and maintaining software solutions that support business needs. Since 1935, Morgan Stanley is known as a global leader in financial services, always ev

Full-time

Senior C#/.NET Developer

Rockville, Maryland

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Today

This company is a software product company that is a global leader in the development and manufacture of medical laboratory equipment used for measuring molecules in biological samples. Their products have been instrumental in major healthcare advancements, most recently utilized in COVID-19 testing trials, and continue to power medical research and diagnostics behind the scenes to advance healthcare nationally. As a company that builds complex lab hardware, this role focuses on developing and m

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Full-time

135k - 150k

Senior C#/.NET Developer

Arlington, Virginia

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Today

A client is seeking a Senior .NET Developer for a full-time opportunity in a hybrid setting (onsite 1 day per week) with a global leader in medical laboratory equipment software. This company builds innovative lab instruments used to measure molecules in biological samples, including recent contributions to COVID testing trials. The role will focus on developing machine-focused applications using C#, ASP.NET, MVC, JavaScript, and SQL. This is your chance to work on software that directly impacts

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Full-time

135k - 145k

Full stack .Net Developer

Arlington, Virginia

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Today

Boston Tech / Medpro Job Tile: Full stack .Net Developer Location: Mount Arlington, NJ-Hybrid at least 1x weekly- locals or nearby only Client: MedPro Exp level: 14+ years Visa: GC we are seeking a full-stack developer with strong expertise in both Angular and .NET. RequirementsMust Have Requirements Strong knowledge of recent Angular, TypeScript, state management Strong knowledge of latest C# .NET, RESTful APIs Experience writing unit, integration, and e2e tests Nice to have Requirements Expe

Contract

Technical Lead .Net Developer

Rockville, Maryland

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26d ago

Seeking a Lead .NET Developer with good software development and team management skills to join our great team at Rockville, MD. If you want to learn, grow, and help, then this is the job for you. What you do matters and has significant impact on the medical and scientific communities we serve. Your work here matters and has real impact. This Lead will develop and lead custom software applications efforts for client user community consisting of approximately 3,500 intramural and employees, contr

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Full-time

$70 - $75

.Net Developer only w2

Remote

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18d ago

Net Developer 6 Months Remote 3-5 years with Net or Net Core experience - 2+ years with C# - 1+ year Web API experience - 2+ years with SQL Server - Basic understanding Design Patterns - Unit Testing (writing mocks) - Entity Framework, LINQ - RabbitMQ / Queue Mechanism - Logging, Monitoring - Middle Layer & Backend Hands-on development experience - SQL Server: Troubleshooting / Debugging existing Stored procedures, indexes etc. - Azure PaaS services: Azure WebApp, Function etc. - Good to have un

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Contract

Depends on Experience

Sr. Fullstack .Net Developer

Remote or San Mateo, California

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Today

job summary: We have an immediate need for a Sr. Fullstack .Net Developer with a strong C#, .Net Core, and React background along with recent project experience in financial services. location: Telecommute job type: Contract salary: $60 - 70 per hour work hours: 8am to 5pm education: Bachelors responsibilities: Seeking senior C# developer with over 10+ years of experience in SDLC to design, build, and operate customer-facing and internal APIs/services. You'll support the backend developm

Contract

USD60 - USD70

.Net Developer (Only w2)

Remote

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3d ago

Job Title: .Net Developer Location: Remote Duration: 6 Months Primary skills: .Net/C# ,SQL (performance tuning),JavaScript/TypeScript. Key Responsibilities Design, develop, and maintain custom components, APIs, and services integrated with Microsoft Dynamics 365 (on-prem and online).Write clean, efficient, and testable code in C#/.NET and JavaScript/TypeScript, following established coding standards.Work with CRM developers to extend platform functionality beyond native D365 capabilities.Optimiz

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Contract

$50 - $55

Full Stack .Net & Angular Developer

Washington, District of Columbia

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13d ago

Title: Programmer Standard - Full Stack .Net & Angular Developer Duration: 8 Months - Long Terms Location: Washington, DC 20433 Hybrid Onsite: 4 days onsite per week from day 1. HM Notes: Excellent in APIs (Must have). C# .net developer (mid-level), should be very energetic and does not need very Sr. candidate.Understands API Integration, as they will connect to data bricks or other Azure services like Data Lake.Angular 10 and above.Any cloud is fine. We are looking for a talented full-stack

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Contract

Depends on Experience

.Net Developer

Remote or Austin, Texas

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16d ago

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He

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Full-time

Depends on Experience

.Net Developer

Remote

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6d ago

Responsibilities: Design, develop, and maintain robust, scalable software for CMS systems. Ensure data integrity and software scalability across all claims-related applications. Collaborate with cross-functional teams (5 7 members) to implement strategic technology initiatives. Review and recommend software change requests for feasibility and alignment with business goals. Oversee implementation of large client programs and multiple system interfaces. Contribute to defining overall architectural

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Contract

Up to $62

.Net Developer - Remote

Remote

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18d ago

.Net Developer Remote $45/hr on W2 Duration: Till 03/31/26 possible extension. 6 openings. Description: The services You will provide the Client project team:As a .Net Developer Contractor, you will develop and maintain software applications using the .NET framework.Develop, create, and modify general computer applications software or specialized utility programs.Analyze user needs and develop software solutions to optimize operational efficiency.Design software or customize software for client

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Contract

$45

Azure Dot Net Developer

Remote

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6d ago

Role: Azure .Net Developer with Digital CommerceLocation: FloridaHiring: Fulltime/ W2 OnlyMandatory Skills: Digital Commerce Experience is requiredRequired Skills:Extensive hands-on experience in Azure .NET development, and production support.Strong knowledge of writing clean, maintainable code and participating in code reviews.Proficiency in database skills, specifically SQL.Excellent verbal and written communication skills and a collaborative team player attitude.Key Responsibilities:Design, d

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Full-time

Depends on Experience

.Net Developer

Remote or Hybrid in Los Angeles, California

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Today

.Net Developer Los Angeles, CA (Remote/Onsite) 6-Month Contract to Hire Job ID 25-09787 Solugenix is assisting a client, a health insurance company, in their search for a .Net Developer. This is a 6-month contract to hire opportunity based out of Los Angeles, CA (Remote/Onsite). The .NET Developer II designs and develops .NET Web applications, web services, and windows applications using C#.NET on Visual studio 2019 and 2022 .NET version 4.8 and above, JavaScript, AJAX and is under the supervisi

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Full-time, Contract

$65 - $70 hr

Sr Dotnet Developer

Remote

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9d ago

Role: Ongoing development work Location: From anywhere within continental USA Start: November 17, 2025 (flexibility in actual start date is acceptable) Must: Experience working in a global delivery environment Technical Skills: Strong knowledge of Windows Applications: C#, VB.NET, WPF (rich UI with XAML), Windows Services, WCF (service-oriented architecture).Proven experience in Web Application Development: ASP.NET MVC, Web API, LINQ, Entity Framework.Hands-on experience with SQL Server (queries

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Full-time

Depends on Experience

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.Net Developer jobs in Reston, VA, USA