ASP.NET jobs in Reston, VA

Senior Software Development Engineer - CTJ - TS/SCI

Reston, Virginia

•

Today

Do you have a passion for launching innovative customer experiences and working with some of Microsoft's most critical customers? We work with teams across the company to drive the enablement and adoption of Azure and Office at all classification levels (Unclassified, Secret, Top Secret ). We own bespoke internal and customer-facing software that supports customer onboarding . This puts us in a unique position to orchestrate end-to-end customer experiences , work ing with partners across Micros

Full-time

USD 119,800.00 - 234,700.00 per year

Software Security Engineer II - CTJ - Top Secret

Reston, Virginia

•

Today

The Cloud & Artificial intelligence (AI) organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers' heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changi

Full-time

USD 100,600.00 - 199,000.00 per year

Software Developer (Multiple Levels)

Chantilly, Virginia

•

Today

Responsibilities As a Software Developer, you will be responsible for developing code, tests, and debugging new software or enhancements to existing software. You will have a good understanding of business applications as well as user, performance, quality, interface, and security requirements to support a forensic and investigative ecosystem across multiple enterprise applications in a multi-enclave environment. Job Responsibilities Develop, test, and debug new software solutions and enhancem

Full-time

USD 120,700.00 - 188,725.00 per year

Senior Application Developer

Arlington, Virginia

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Today

This company is seeking a Senior Application Developer to join our dynamic, project-driven team in the DC area. This role is a hybrid position. Their firm specializes in guiding high-budget projects from concept through completion. They have assembled teams that uphold seamless communication, strategic precision, and accountability at every stage. They operate on a foundation of fiduciary responsibility, rigorous customization, and measurable excellence, ensuring every project outcome aligns wit

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Full-time

120k - 130k

.Net Architect - Face to Face interviews in Rockville, MD

Rockville, Maryland

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21d ago

.Net Technical Architect Rockville MD - Hybrid F2F interview Need local or nearby candidates only. Must have long term project exp. Last 3 years exp must have in US Responsibilities Define robust architecture for new applications, leveraging and enhancing existing building blocks or creating new reusable componentsEnhances existing application as per customer requirementsProvides decision on adjusting product architecture as customer requirements, market conditions and technology evolveIdentifi

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Contract

Depends on Experience

Chief Engineer Architect

Ashburn, Virginia

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Today

Leidos is seeking a Chief Engineer/Architect (CEA) to provide technical leadership for a large, complex mission-critical program whose purpose is develop, modernize, enhance, operate and maintain services for Customs and Border Protection (CBP) mission support systems. This program develops applications using agile methodologies, and software development technologies and practices for scaled DevSecOps. The program will be optimizing performance in the cloud, enhancing capabilities while sustaini

Full-time

USD 148,850.00 - 269,075.00 per year

Dynamics 365 Developer

Remote

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7d ago

VERY URGENT REQUIREMENT Title: Dynamics 365 Developer Location: Mexico (Can work Remotely anywhere in Mexico) Duration: 12 months **Key Responsibilities:** - Develop and customize Dynamics 365 solutions to meet business requirements. - Design, develop, and maintain Core Web APIs. - Troubleshoot and resolve issues related to Dynamics 365 and associated technologies. - Create and manage plugins, Power Automate flows, custom APIs, Azure Functions, Key Vaults, and Power Apps forms. - Collaborate w

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Contract

$50 - $60

Senior Application(Full Stack) Developer ** Locals Only **

Hybrid in Arlington, Virginia

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16d ago

Senior Application DeveloperArlington, VA (Hybrid)12+ Months Job Description for Job Description: All IT application teams have a goal of being completely off of BizTalk and OMNI as part of the KATs program, by the end of the 2026 in order to avoid a costly licensing renewal fee for functionality that can be achieved using more up to date cloud-based technologies at a reduced cost. Responsibilities: The Senior Full Stack Developer shall be responsible for participating in the full life-cycle de

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Contract

Depends on Experience

Senior Software Engineer (Full Stack)

Arlington, Virginia

•

Today

A client is seeking a Senior Software Engineer (Full Stack) to join their team in Alexandria, VA (hybrid). This company is a non-profit leader in developing high-impact services and products in employment, military, student testing, and professional credentialing and licensure. This role will focus on modernizing enterprise applications and leveraging technologies such as C# .NET Core, ASP.NET, JavaScript/TypeScript, AWS cloud services, and SQL. The position requires five days on-site during a 9

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Full-time

100k - 155k

Technical Lead .Net Developer

Rockville, Maryland

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24d 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

Senior C#/.NET Developer

Rockville, Maryland

•

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

Azure Functions Architect / Principal Engineer

Remote

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11d ago

Azure Functions Architect / Principal Engineer With below experience, In-depth understanding of Azure Function App & Functions architecture, underpinnings as how it works and best practices Proven experience architecting, building, and operating Azure Function Apps (in-process and .NET isolated) with HTTP/Timer/Queue triggers, selecting appropriate Consumption/Premium/Dedicated plans. Demonstrated expertise diagnosing and resolving production issues including C:\local temp growth, large/slow res

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Contract

$60+

Application Modernization Engineer with AI tools

Remote

•

Yesterday

Key Responsibilities: Execute client application modernization projects using AI-driven solutions.Analyze legacy codebases to understand business logic, dependencies, and migration risks.Design and implement modern solutions while preserving legacy functionality.Implement code transformations and refactoring strategies.Collaborate internally to document designs, migration strategies, and lessons learned.Identify project risks, issues, and dependencies; develop mitigation strategies.Stay current

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Contract, Third Party

Depends on Experience

.NET Backend Developer (.Net)

Remote or Hybrid in Dallas, Texas

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2d ago

Position: Backend Developer (.Net) Location: Dallas, TX :: Remote Description: We're seeking a backend software developer experienced with developing and maintaining .NET applications as part of a high-performing agile team. You'll use your problem-solving skills to debug production issues, optimize performance, and implement new features based on evolving product owner requirements. Healthcare and insurance knowledge or experience is a plus. Responsibilities: Collaborate with developers and te

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Full-time

Depends on Experience

.NET Web Developer

Remote

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15d ago

Job DescriptionJob Title: .NET Web Developer Job Location: Remote US Eligibility/Clearance: This opportunity supports a government contract Job Description: We are seeking an innovative web developer to work with our software development team to help us build and achieve amazing things. An ideal candidate for this position must be a hands-on engineer with a strong knowledge of the server side web technologies (C#, ASP.NET, Oracle/SQL), who is also able to develop the client side (such as HTM

Full-time

$50 - $60

.Net Full Stack Tech Lead

Remote

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23d ago

LTIMindtree is an equal opportunity employer that is committed to diversity in the workplace. Our employment decisions are made without regard to race, color, creed, religion, sex (including pregnancy, childbirth or related medical conditions), gender identity or expression, national origin, ancestry, age, family-care status, veteran status, marital status, civil union status, domestic partnership status, military service, handicap or disability or history of handicap or disability, genetic info

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Full-time

$99,000 - $136,000

.NET Full Stack Developer with Java - W2 - Remote (Posted by SAM)

Remote

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3d ago

Required Skills: 7+ years of enterprise development experienceProficiency in Java, Spring Boot, and KafkaStrong experience with .NET, C#, ASP.NET, and VB.NETSQL and NoSQL database experienceFamiliarity with cloud platforms and containerization (Kubernetes/Docker)

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Contract

Depends on Experience

Full Stack Software Developer

Remote

•

Yesterday

*This job requires authorization to work in the US* Job Title:Full Stack Developer Location:Research Triangle, NC (Primarily Remote) Overview: A technology-driven organization is seeking a Full Stack Developer to support the development and maintenance of custom Enterprise and Point-of-Sale (POS) systems. This role involves designing, building, and optimizing internal applications that are essential to daily operations. The ideal candidate is detail-oriented, self-motivated, and comfortable wor

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Full-time

$140000

Senior Software Engineer (C# .Net)

Remote

•

17d ago

Veridocs, Inc. is the premier provider of ID authentication and identity management solutions in the gaming industry and other businesses that experience financial and regulatory exposure to fraudulent activities. Founded in 2006, Veridocs has become the standard for both domestic and international casino gaming operators. As part of our continued growth, we are looking to expand our software development team. At Veridocs our mission is to work together to create a secure world. We do that by em

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Full-time

Depends on Experience

Senior Software Engineer (.NET)

Remote

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4d ago

We are seeking a Senior Software Engineer to support the modernization and migration of a legacy application stack. The ideal candidate will have an extensive background in C# .NET, ASP.NET MVC, and Microsoft SQL Server, with hands-on experience in upgrading and refactoring enterprise applications. Responsibilities:Upgrade and refactor legacy .NET applications (currently on .NET Framework 4.x / ASP.NET MVC 5) to .NET 9.Debug and maintain application layers: frontend (JavaScript/jQuery), middle t

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Contract

Depends on Experience

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ASP.NET jobs in Reston, VA, USA