ASP.NET jobs in Washington

Asp.net Software Engineer *Clearance, Security + Required*

Quantico, Virginia

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Today

Description Supports all software development and integration tasks for CIMS mission applications, including ALERTS, ACIS, and DRS, , Release/Implementation Plan, Test Plan/Reports. Designs, develops, and tests new application features, remediates defects, performs module integration, and validates system performance. Collaborates with testers, analysts, and database personnel to ensure proper separation of duties and efficient release execution. Responsible for designing, developing, enhancing,

Full-time

USD 50.00 - 59.00 per hour

Asp.net Software Engineer

Quantico, Virginia

•

Today

Full-time

USD 50.00 - 59.00 per hour

Senior Application Developer

Arlington, Virginia

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Today

A forward-thinking organization is seeking a Senior Application Developer to join a high-performing, project-driven team. This hybrid position offers the opportunity to contribute to large-scale, impactful initiatives that drive measurable value for clients and stakeholders. The firm specializes in managing complex, high-budget projects from initial concept through successful completion. Through strategic precision, seamless collaboration, and a deep commitment to accountability, each engagement

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Full-time

100k - 135k

Senior Application Developer

Arlington, Virginia

•

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

Full-Stack Software Developer/Programmer- 33910

Alexandria, Virginia

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Today

Job Title: Full-Stack Software Developer/Programmer Location: Alexandria, VA (Onsite) Employment Type: Full-Time Clearance: U.S. Citizenship Required; Secret Clearance Preferred Overview: Syneren Technologies is seeking a Full-Stack Software Developer to build and maintain scalable web applications. This role involves front-end development with JavaScript and React, back-end development using .NET, Node.js, and MS SQL, and integration with Active Directory. Key Responsibilities: Develop responsi

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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 Web Application Developer (Data-Driven Apps)

McLean, Virginia

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Today

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Participate in the design and implementation of Web Interfaces and APIs.Develop and test applications based on business requirements and industry best practices.Work closely with our customers to understand thei

Full-time

USD 91,600.00 per year

Senior .NET Developer (Azure/Sharepoint)-Remote

Hybrid in Washington, District of Columbia

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9d ago

Role: Senior .NET Developer (Azure/SharePoint) Duration: 1 year Location: Remote Overview: We are seeking a highly experienced and hands-on Senior .NET Developer with 11+ years of deep expertise in modern Microsoft technologies. The ideal candidate will have a proven track record of delivering scalable, secure, and high-performance applications using the latest .NET frameworks, Azure services, and enterprise integration patterns. This role requires strong architectural insight, clean coding

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Third Party, Contract

Mid-Level Full Stack C# Developer

Maryland

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Today

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Design, Software Development, Software Solutions Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: #SWDevPolyMDSoftware Engineer Deliver simple solutions to complex problems as a So

Full-time

USD 119,000.00 - 161,000.00 per year

Senior Software Engineer - Full Stack C# Developer

Maryland

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Today

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Cascading Style Sheets (CSS), Software Development, Systems Development Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: Job Description Software Engineer Sr Advisor Deliver simpl

Full-time

USD 108,979.00 - 147,443.00 per year

Senior Full Stack Software Engineer

Arlington, Virginia

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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 - 160k

Intelligent Systems Development Engineer

Laurel, Maryland

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Today

Description Are you interested in working in multi-disciplinary teams to advance the state-of-the-art in autonomous systems, uncrewed air platforms, artificial intelligence, software design, embedded systems, virtual reality, and simulation? Are you interested in applying your skills to conceive, design, prototype and test new capabilities in intelligent autonomous systems that will save US warfighter's lives and ensure our nation's preeminence? If you are graduating with a degree in Computer

Full-time

USD 100,000.00 per year

Software Developer

Franklin Farm, Virginia

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18d ago

ekSource Technologies is committed to providing value through the effective use of technology. ekSource excels in putting together teams with strong functional knowledge and technical expertise. ekSource partners with leaders in the industry to fully harness their potential and bring the right solutions for your Business. ekSource is head quartered at Herndon, Virginia with offices in Atlanta, GA, Nashville, TN. We emphasize on aligning to client's processes and development methodology, developi

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Full-time

$135,000 - $140,000

Manager Software Engineering

Arlington, Virginia

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Today

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po

Full-time

USD 159,000.00 - 254,000.00 per year

.Net Developer-Rockville,Maryland -Final Round F2F

Hybrid in Rockville, Maryland

•

Yesterday

Role: .NET Full Stack DeveloperLocation: Seattle, Washington (Remote/Hybrid/Onsite) Duration: Contract Technical Skills: Backend: C#, ASP.NET,.NET Core, Entity Framework, LINQ, MVC pattern Frontend: HTML, CSS, JavaScript, TypeScript, Angular or React, Bootstrap Material UI Databases: SQL Server, MySQL, PostgreSQL, MongoDB, Cosmos DB Tools: Git, TFS, Visual StudioVS Code, NuGet, CICD Pipelines, Docker, Kubernetes Cloud: Microsoft Azure, AWS, Google Cloud Platform experience preferred Key Re

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Contract

Depends on Experience

Mid-Level .Net/C# Developer

Remote or Hybrid in Raleigh, North Carolina

•

Yesterday

Knowledge, Skills, and Abilities Requirements: The candidate must currently live in NC. Bachelor's degree in Computer Science, Computer Information Systems, Computer Engineering, Math, or Engineering or related technical discipline. Experience developing new applications using .NET/C#, SQL Server, REST APIs, and GIT/Azure DevOps for a minimum of 3 years. Demonstrated ability in application analysis and design, cost analysis, estimating staffing needs, testing, documentation, and implementatio

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Contract

Depends on Experience

Web & Database Administrator

Remote

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16d ago

Overview: This role is responsible for maintaining the FMLogics platform s technical infrastructure, ensuring reliable website functionality, database integrity, and user support for both doctors and patients. The ideal candidate is a hands-on web developer and database administrator with strong problem-solving skills and experience supporting a live web-based application. Key Responsibilities: Website and Server MaintenanceOversee general website functionality, uptime, and performance.Coordinat

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Contract

$50 - $100

.Net Developer

Remote

•

Yesterday

Role: .Net Developer Duration: 12 month contract Location: Bentonville, AR - REMOTE Overview: The client is hiring 2 experienced .NET Developers to support long-term retail technology initiatives. This role involves backend development, system integration, and modernization of legacy applications. Required Skills: 7+ years of experience in enterprise .NET development Strong proficiency in C#, ASP.NET, and VB.NET Experience with SQL databases and backend services Familiarity with cloud enviro

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Contract, Third Party

SAP ABAP / .NET Developer

Remote

•

Yesterday

Title: SAP ABAP / .NET DeveloperLocation: [Remote - USA) Type : Long Term Contract (W2 Only) Position OverviewWe are seeking a highly skilled SAP ABAP / .NET Developer to support development, enhancement, and integration projects across SAP environments and external business applications. The ideal candidate will have strong expertise in ABAP development, along with hands-on experience in Microsoft .NET frameworks, to build and maintain end-to-end solutions. Key ResponsibilitiesDevelop, enhance,

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Contract

$60 - $75

Dynamic CRM Developer

Remote

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Today

Dynamic CRM Developer 12 months Remote Skills & Experience required: Back End Web Developers will possess knowledge and experience in ability to translate technical work into user-friendly visuals; working on the back-end coding while staying plugged into emerging technologies and trends to ensure that the website is current and well maintained at all times; have a solid understanding of how web applications work including security, session management, and best development practices; programm

Third Party, Contract

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ASP.NET jobs in Washington, DC, USA