.Net Application Developer jobs in Seattle, WA

Redmond, Washington

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Today

Role: Sr. Full stack Developer Location: Redmond, WA (Day 1 Onsite) Long term Contract Looking for W2 Candidates . No C2C Key Responsibilities: Build high-performance UI modules using React, JavaScript, jQuery and component-driven patterns. Implement advanced state management using Redux, Context API, and optimize render cycles to reduce re-renders. Design and build scalable backend services using ASP.NET and .NET Core, with clean architecture patterns and modular service boundaries. Develop s

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$DOE

Sr. Application Developer

Remote

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Today

No visa sponsorship is available for this opportunity! C2C or 1099 not available for this opportunity! Candidates MUST be on Prominent payroll as a W2 employee. Prominent is looking for a Sr. Application Developer for a contract to hire opportunity. Candidates based within a commute to our clients office in either Greenwood Village, Colorado or Omaha, Nebraska and can be fully onsite will be given preference. The Sr. Application Developer will provide expertise around Azure software developmen

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Contract

Depends on Experience

Sr. Application Developer

Remote

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Today

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Contract

Depends on Experience

Full-Stack Developer (Azure)

Hybrid in Seattle, Washington

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9d ago

Job Summary We are seeking an experienced Full-Stack Developer with strong Microsoft Azure expertise to support application development and modernisation initiatives. The ideal candidate will design, develop, and maintain scalable, secure, and high-performance web applications while working closely with cross-functional teams in a regulated healthcare environment. Key Responsibilities Design, develop, and maintain full-stack web applications using modern front-end and back-end technologies. Buil

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Contract

$80 - $100

.NET Developer

Remote or Lombard, Illinois

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Today

Description Client is seeking a proficient .NET Developer with strong VB.NET and SharePoint experience to support web-based and Windows applications backed by SQL databases. Due to recent acquisitions, they've inherited resources whose skill sets do not align with their technology stack. They are looking for someone who can step in confidently, contribute quickly, and stay long term. Core Technical Requirements Must Have .NET experience starting with .NET Framework 3.5 and above Strong VB.NE

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Contract

USD 66.50 - 77.00 per hour

Senior .NET Developer

Remote

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9d ago

Location: Remote -- must live within the Southeastern US and be open to occasional travel Type: Full-time | Direct Hire | Permanent Compensation: up to $130,000 base + 5% bonus (depending on experience) Benefits: Comprehensive healthcare coverage (medical, dental, vision, life, supplemental)Short- and Long-Term Disability (STD/LTD)HSA & FSA optionsPaid Time Off (PTO)401(k) retirement plan About the Role: We are seeking a Senior .NET Engineer to join a small, high-impact R&D engineering team foc

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Full-time

Up to $130,000

Full-Stack Developer (.Net & React)

Remote

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Today

ONLY ON W2 CONTRACT, NO C2C/1099 Title: Full-Stack Developer Position type: 6- 12+ Months contract to start Location: Fully Remote must work PST Hours 100% REMOTE - PST Work Hours. Required skills: .Net, C#, ReactJS, TypeScript, SQL with application migration experience and Azure, AWS, Kubernetes, OpenShift, DevOps & AI/ML Required Skills & Experience: - 10+ years of full stack development experience, with strong proficiency in: Frontend: ReactJS, TypeScript, JavaScript (ES6+), component-based

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Contract

$70 - $80

Software Engineer / Full Stack Developer (.NET and Angular)

Remote

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Today

100% Remote Overview Our client is seeking a skilled software engineer who thrives on enhancing and extending complex systems making them faster, more reliable, and built to last. This role involves designing, developing, and maintaining both new and existing applications across a suite of Microsoft-based technologies. Our newer solutions leverage modern Microsoft frameworks and Angular, while legacy platforms utilize older versions of .NET and related tools. The ideal candidate is both a builde

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Full-time

Depends on Experience

.Net Developer

Remote

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Today

Tittle: .Net Developer Location: Remote Description Required Skills: A minimum of 7 years of experience building and maintaining complex .NET web applications, APIs, and SQL queries with SQL stored procedures. * 7 years of experience using ASP.NET framework * 7 years of experience using C# .NET * 5 years of experience using Visual Studio, Team Foundation Server, and SQL Server Management Studio * 2 years of REST/SOAP API and web services design * Selenium Web Driver knowledge is a plus * Experi

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Depends on Experience

Senior .NET Developer- VHA Finance

Remote

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Today

Senior .NET Developer Location: Remote Description: Seeking a Senior .NET Developer to design, develop, and maintain high-quality software solutions. This role requires expertise in software architecture, coding best practices, and modern development frameworks. The ideal candidate will have a strong background in full-stack development, cloud computing, and Agile methodologies, working closely with cross-functional teams to deliver scalable and efficient software solutions. Job Responsibili

Full-time

Senior .NET Developer

Remote

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9d ago

Location:Remote -- must live within the Southeastern US and be open to occasional travel Type:Full-time | Direct Hire | Permanent Compensation:up to $130,000 base + 5% bonus (depending on experience) Benefits: Comprehensive healthcare coverage (medical, dental, vision, life, supplemental)Short- and Long-Term Disability (STD/LTD)HSA & FSA optionsPaid Time Off (PTO)401(k) retirement plan About the Role: We are seeking a Senior .NET Engineer to join a small, high-impact R&D engineering team foc

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Full-time

Up to $130,000

Sr .Net Developer

Remote

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9d ago

6 MONTH CTH REMOTE- EST/CST RESIDENTS WILL ONLY BE CONSIDERD VENDORS WILL NOT BE CONSIDERED SR .NET DEVELOPER Design, develop, and maintain high-quality, production-grade software solutions aligned with enterprise standards, using Microsoft .NET (Framework and .NET Core), C#, SQL Server, and integrated system components.Contribute across all phases of the software development lifecycle, ensuring adherence to documented processes, coding standards, and quality guidelines.Collaborate with cross-

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Full-time

$0 - $0

Software Developer

Remote

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15d ago

A senior-level Software Developer is needed to support application development and modernization efforts.The role requires designing, implementing, and maintaining both front-end and back-end solutions, ensuring high-quality, scalable, and secure applications. This position offers the flexibility to work remotely and involves collaborating with cross-functional teams to deliver technical solutions aligned with project goals. Responsibilities Develop and maintain responsive front-end application

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Third Party, Contract

Depends on Experience

Lead Azure Developer -Middleware

Remote

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Yesterday

Title:Lead Azure Developer -Middleware Compensation: 160-165k annually Location: Remote (EST/CST hours) Duration: Direct Hire, Full Time Work Requirements: US Citizen, GC Holders or Authorized to Work in the U.S. Lead Azure Developer - Middleware Job Summary Provide leadership, supervise, and prioritize development activities and staff for an application area. Design processes and metrics for functional area. Work closely with architects to ensure proper system design. Ensures highest quality

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Full-time

Depends on Experience

Software Engineer

Remote

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13d ago

NO SUBCONTRACTS, C2C or 1099 applicants. W2 only. Custom Business Solutions is seeking a .NET Azure Application Developer for a remote or hybrid contract opportunity in Michigan. The ideal candidate is a mid-to-senior level .NET/C# and Microsoft Azure developer. This role works across the full SDLC in a SAFe Agile environment, delivering scalable, cloud-native solutions and supporting e-commerce/payment systems. Required Skills5+ years application development experience in .NET / C# Azure (Func

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Contract

40 - 45

MES Full Stack Developer

Remote

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12d ago

Duration: 06 months contract with possible extension Job Description: Design, develop, and maintain full-stack manufacturing solutions using .NET and Angular (with focus on customized Siemens Opcenter Execution solutions). This involves creating user interfaces and integrating server-side logic.Work closely with product managers, designers, and other developers to design and implement new features, ensuring seamless integration of databases and services.Write clean, scalable, and efficient code,

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Contract

$71

Senior Software Engineer

Remote

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Today

Key Responsibilities1. Migration & DevelopmentPerform lift-and-shift rehosting of full-stack .NET systems. Execute application analysis, design, development, troubleshooting, debugging, and unit testing. Rehost n-tier solutions including: ASP.NET Web Forms MVC applications Web APIs Thin-client applications Domain-driven services with Entity Framework 2. Technical CollaborationWork closely with Project Managers, DBAs, Product Owners, SMEs, and stakeholders. Support System Testing and UAT phases.

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Senior Software Architect

Seattle, Washington

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Today

Senior Software Architect Company: The Boeing Company Job Description Qualifications: Boeing Information Digital Technology & Security is seeking a Senior Software Architect to join the Learner Solutions Maintenance Solutions application team, supporting the Boeing Global Services Training Solutions organization. This position is based out of Seattle, WA. Be part of a high performing software engineering organization which is in the process of transforming the aviation training industry throu

Full-time

USD 195,300.00 - 250,000.00 per year

Middleware Engineer (.NET Applications)

Remote or Kansas City, Missouri

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Today

The Operations Middleware Team supports various web and app servers from vendors including Windows and IBM to support the needs of the business. As a Middleware Engineer, you will be building, maintaining, optimizing, and automating various tasks that support applications and infrastructure systems that run on various operating systems including, but not limited to Windows and Linux. In this role, you will mostly support .NET applications. You will also work closely with various other IT teams

Full-time

USD 83,200.00 - 178,800.00 per year

Senior Software Engineer (AI/Full Stack)

Redmond, Washington

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Today

Overview Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. As part of that mission, the Microsoft Devices Engineering Service team in Surface is on a journey to create

Full-time

USD 119,800.00 - 234,700.00 per year

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.Net Application Developer jobs in Seattle, WA, USA