.NET Web Application Developer Jobs in Seattle, WA

Refine Results
1 - 20 of 220 Jobs

Web Application Developer

Virginia Jobs

Remote or Richmond, Virginia, USA

Full-time

Title: Web Application Developer State Role Title:Info Technology Specialist Hiring Range: $115,000 - $135,000 Pay Band: 6 Agency: Department of Accounts Location:JAMES MONROE BUILDING 101 North 14th Street Richmond, VA 23219 Agency Website:;br> Recruitment Type: General Public - G This position has a hybrid work schedule requiring three days/week working in-person in the office in downtown Richmond, VA. (Full-time remote work is not an option.) The Applications and Technology (IT) division at

Web Application Developer

Virtutem

Remote

Full-time

SummaryWe are seeking a hands-on, technically strong C# developer to support and expand an existing full-stack enterprise application for a high-profile client. The application is already built and in active use. This role focuses on maintaining the platform while working closely with the client to enhance and grow its capabilities over time LogisticsFull-time availability required during standard California business hours. 100% remote; must be comfortable and effective working via screen share

Applications Dev & Test - Web Developer 2

Apex Systems

Redmond, Washington, USA

Full-time

Job#: 2081879 Job Description: W-2 Contract Position: Web Developer PR: $40/hr-$48/hr Est. Duration: 10-months Location: Redmond, onsite 4x week Typical Day in the Role Purpose of the Team: The team is responsible for building internal portals that support the Index Server teams tools, along with developing the foundational infrastructure for the portal platform. Our day-to-day work spans full-stack portal development-including both client-side and server-side components-as well as infrastruc

Azure Dotnet Developer

ISite Technologies Inc

Redmond, Washington, USA

Full-time

Hi, We have immediate position on Role: Azure Dotnet Developer Location: Redmond, WA (Hybrid) Skills Required 10+ Years of relevant experience in below skillset Dev: ASP .NET, .NET Core, C#, Generics, Delegates, Events Web Services WCF, REST, Web APIs, ADO.NET Azure Resources : Azure Managed Identity, Service Bus, App Services, Function Apps, WebApps AI/ML Skills- Python, Agentic AI, MCP, Azure Open AI or relevant experience. Test: XUnit / NUnit / MSTest Must Have: Strong Experience with.Net Cor

APPLICATION DEVELOPER/ANALYST LEAD

University of Washington

Seattle, Washington, USA

Full-time

Although open until filled, priority application date is June 19, 2025. As a UW employee, you have a unique opportunity to change lives on our campuses, in our state and around the world. UW employees offer their boundless energy, creative problem-solving skills, and dedication to build stronger minds and a healthier world. UW faculty and staff also enjoy outstanding benefits, professional growth opportunities and unique resources in an environment noted for diversity, intellectual excitement,

APPLICATION DEVELOPER/ANALYST

University of Washington

Seattle, Washington, USA

Full-time

Although open until filled, priority application date is July 18th, 2025. As a UW employee, you have a unique opportunity to change lives on our campuses, in our state and around the world. UW employees offer their boundless energy, creative problem-solving skills, and dedication to build stronger minds and a healthier world. UW faculty and staff also enjoy outstanding benefits, professional growth opportunities and unique resources in an environment noted for diversity, intellectual excitement

.NET Application Architect

ChaTeck Incorporated

Remote or Houston, Texas, USA

Part-time

Job Title: .NET Application Architect Experience: 12+ Years Location: US (Remote - CST/EST) Job Type: Part time Job Summary: We are seeking a highly skilled and experienced .NET Application Architect with 12+ years of experience in designing, developing, and architecting enterprise-grade applications using Microsoft technologies. The ideal candidate should have strong leadership qualities, deep technical expertise in .NET Core/.NET 6+, Azure Cloud, Microservices, and DevOps practices. Key R

.Net Full stack Developer

Neo Prism Solutions, LLC

Remote

Contract

Job Title: .Net Full stack Developer Location : Dallas, TX (Remote) C2C Experience: 12+ years Note: no H1b's need only: - holders Skills : "React" and "Azure" need SKILLS/EXPERIENCE REQUIREMENTS 12 - 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driv

.NET Developer - Remote position

Infinite Computer Solutions (ICS)

Remote

Contract

Job Description: Required Skills and Qualifications: Senior .Net Developer - 8 years of progressive programming and system analysis experience including design and development of complex projects preferred. - Microsoft .NET Development experience required. Microsoft SQL Server experience preferred. Microsoft Windows and Microsoft Office experience helpful - Under general supervision, provide programming, testing, documentation, and information systems analysis of health care systems. Research

.NET Developer (W2 Position)

Primesoft, Inc

Remote

Contract

Role : .NET Developer MOI : 2 Video Rounds Exp : 10+ Years Location : Multiple Locations,Remote Your Impact: Develop and maintain application features using .NET and the MAUI framework. Write and maintain unit tests using xUnit or NUnit, achieving a minimum of 90% code coverage. Collaborate with cross-functional teams to define, design, and ship new features. Troubleshoot and resolve defects in collaboration with the Quality Engineering team. Participate in code reviews and contribute to continu

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,

Lead Software Developer (.NET & Insurance Solutions) Remote

Gainwell Technologies LLC

Remote or Houston, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have

Lead Software Developer (.NET & Insurance Solutions) Remote

Gainwell Technologies LLC

Remote or Dallas, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have

Lead Software Developer (.NET & Insurance Solutions) Remote

Gainwell Technologies LLC

Remote or Austin, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have

DotNet Developer

Cogent Data Solutions Llc

Remote

Full-time

Minimum Qualifications:5 + years of Hands-on experience with multiple languages and technologies: Dotnet Core, C#, Angular, , RESTful API, Microservices, SOAP-based Webservices, XML, XLST, XSD, XPath, SQL, , HTML, and JSON. 5+ years of proven track record designing and developing enterprise and scalable systems, such as multi-tier, distributed, and web-based system design and development principles and internet/intranet application delivery mechanisms. Proven track record of on-time, on-budget

Senior Backend Cloud Developer (.NET/Azure)

Main Sail, LLC

Remote

Contract

Position Description: Team Composition and Methodology The client s team operates in an agile environment, utilizing a modified scrum methodology. The larger team includes approximately 30 professionals, split into smaller, focused groups of 5 7 members each, led by Team Leads. Each team has distinct roadmaps and features to deliver. The structure is cross-functional, including developers, testers, and DevOps engineers, with access to dedicated environments. Client Overview Our client's customer

Lead Software Developer (.NET)

Zachary Piper Solutions, LLC

Remote

Full-time

Piper Companies is seeking a Lead Software Developer (.NET) to join a leading shipping and logistics organization. The Lead Software Developer (.NET) will oversee and enhance intricate customer deployments of a specialized SaaS platform. Responsibilities of the Lead Software Developer (.NET) include: Take part in planning and gathering requirements for technical projects, including designing, coding, testing, and troubleshooting applications. Build applications and services using our main techn

Sitecore Application Developer - Remote (US)

Info Dinamica Inc

Remote or Madison, Wisconsin, USA

Contract, Third Party

Role: Sitecore Application Developer Remote (US) Contract Required: Sitecore CMS,.NET (C#), MVC, Web API, SQL Server, UI components, ASP.NET MVC Familiarity with DevOps tools (Azure DevOps, CI/CD, Git). Knowledge of Sitecore Experience Accelerator (SXA) and Helix principles. Experience with Sitecore upgrades/migrations is advantageous. Background in working with Agile/Scrum teams. Strong understanding and hands-on experience with Sitecore development. Experience analyzing, defining, implementin

.NET Full Stack Developer

IntellectFaces, Inc.

Remote

Contract

Job Responsibilities: Support the development of scalable web applications for a leading supply chain and logistics client. Work closely with cross-functional teams to modernize legacy systems Build intuitive, high-performance user interfaces that streamline logistics operations and data workflows. Collaborate with backend and database developers to ensure seamless integration Optimize application performance and responsiveness Participate in code reviews and technical design discussions Transla

.Net Developer with Medicaid

Millennium Software, Inc.

Remote

Full-time

For our Detroit based cleitn we require .Net Developer with Medicaid related application development experience. Required Skills and Experience: Experience developing enterprise applications using .NET technologies (C#, ASP.NET, .NET Core). Hands-on experience with Medicaid systems or large-scale healthcare IT projects. Proven experience with relational databases (SQL Server, Oracle) and advanced SQL development. Demonstrated leadership in technical design, code reviews, and mentoring. Experienc