.NET Jobs in Seattle, WA

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1 - 20 of 547 Jobs

Dot Net Developer

ePace Technologies, Inc

•

Remote

Contract

Position: Sr .NET Application Developer with Azure Location: 100% Remote Duration: 6-12 Months Required: .NET / Azure / APP Services / Logic Apps / Azure Functions / Event Grid / Event Hub / Architecture Design Patterns We are seeking a highly skilled Senior .NET Developer to augment and support our internal development team on active C# applications. This role involves working on stability projects to improve performance and reliability of ongoing applications to allow internal developers to
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Posted 18 hours ago

Senior Backend API Developer (AWS, .NET, Kubernetes)

Experis

•

Seattle, Washington, USA

Full-time

Job Title: Senior Application Developer Location: Seattle WA - Onsite 3 days a week Duration: 12 Months Pay Rate: $80.00/hr W2 Job Description: We are seeking a Senior Application Developer to design, develop, and maintain high-performing applications. The ideal candidate will have extensive experience in C#, ASP.NET, Web API, and .NET Core, along with hands-on expertise in cloud-based development, preferably Azure. This role requires strong problem-solving skills, the ability to work in a f
Posted 60+ days ago | Updated 1 day ago

Lead .Net Application Developer - Seattle, WA

R Systems, Inc.

•

Seattle, Washington, USA

Contract

About R Systems: R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, including ISVs, SaaS, and Internet companies, as well as product companies in telecom, media, finance, manufacturing
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Posted 9 days ago | Updated 19 hours ago

Lead Full-Stack .NET Engineer

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Lead .NET Full Stack Developer to join a growing third-party logistics organization. The Lead .NET Full Stack Developer will direct development teams in the design, development, coding, testing and debugging of scalable, high-quality, and high-performing freight brokerage applications. Responsibilities for the Lead .NET Full Stack Developer include: Engage the team and organizational colleagues to improve and resolve product development issues, achieve timely d
Posted 2 days ago | Updated 3 hours ago

.Net API Platform Engineer

HireBlazer

•

Remote

Contract

Title: .Net API Platform Engineer Location: 100% Remote Duration: Long Term Experience: 10+ Years Summary: API Platform Engineering Team to build, enhance, and support core APIs and tooling in a modern .NET, Kubernetes, and cloud-native environment. You ll own end-to-end development and quality of APIs under domain-driven design, with a practical focus on integration, automation, and a design-first mindset. This is a hands-on engineering role using C#/.NET 8 Minimal APIs focused on building, n
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Posted 2 days ago | Updated 2 hours ago

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
Posted 5 days ago | Updated 2 hours ago

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
Posted 5 days ago | Updated 2 hours ago

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
Posted 5 days ago | Updated 2 hours ago

.NET Systems Architect

Kforce Technology Staffing

•

Remote or Provo, Utah, USA

Contract

RESPONSIBILITIES: Kforce has a client in Provo, UT that is seeking a remote .NET Systems Architect. Responsibilities: * Lead the design and architecture of .NET-based systems and applications * .NET Systems Architect will define technical standards, patterns, and best practices for enterprise application development * Collaborate with stakeholders, business analysts, and other developers to translate business requirements into scalable technical solutions * Ensure system scalability, reliabilit
Posted 3 days ago | Updated moments ago

Sr. Back End Developer (.Net/C# with Distributed Cloud)

Photon

•

Seattle, Washington, USA

Full-time, Third Party

Sr. Back End Developer (.Net/C# with Distributed Cloud) Location Seattle, WA For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. We need a strong Backend resource with e-commerce background or worked with front facing customer websites with large volume of transactions and payments. The role: Scope of work: I am hiring fo
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Posted 25 days ago

Experienced C#.Net Developer (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
Posted 5 days ago | Updated 2 hours ago

Lead .NET Software Developer

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Lead .NET Software Developer to perform hands on development and architecture of cloud-based .NET applications for our homebuilder & construction company. The Lead .NET Software Engineer will be responsible for developing a robust in-house suite of applications for enterprise clients both small and large. This job opens for applications on 4/18/2025. Applications for this job will be accepted for at least 30 days from the posting date. Responsibilities of the Lead
Posted 9 days ago | Updated 3 hours ago

.NET architect

Astrobyte Solutions LLC

•

Remote

Full-time

Job Title: .Net Enterprise ArchitectLocation: Fully remoteDuration: Full time .Net, Microservices, Azure, Architecture, RDBMS Architecture Design: o Develop and implement enterprise architecture models and scalable, reusable, and secured design for digital engineering programs. o Have fair good amount of understanding and working experience of DevOps pipeline setups, monitoring, and adherence of CI/CD concepts. Strategic Planning: o Set the strategic direction for the clients' IT applications
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Posted 11 days ago

Experienced C#.Net Developer (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
Posted 5 days ago | Updated 2 hours ago

Principal .NET Lead

JC CORPORATIONS

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Remote

Third Party, Contract

* 8+ years of experience in .NET, Angular, JavaScript, and SQL Server (or comparable RDBMS). * 4+ years of technical leadership experience in software development. * 3+ years of hands-on AWS experience, including serverless (e.g., Lambda) and containerized services (e.g., EKS). * Proficiency in front-end technologies (CSS, Semantic HTML, Responsive Design). * Deep knowledge of OOP principles, data modeling, design patterns, and unit testing. * Experience using Git or Visual Studio for version co
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Posted 3 days ago | Updated moments ago

Experienced C#.Net Developer (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
Posted 5 days ago | Updated 2 hours ago

Technical Architect (.NET Core, C++, AWS)

Nobl Q, LLC.

•

Remote

Contract

Role: Technical Architect (.NET Core, C++, AWS) Location: Remote Summary: Seeking a Backend Architect to lead the design and development of a regulated trading platform for a new Futures Commodity Commissions Market (FCM). The ideal candidate has deep experience in financial/trading systems, regulatory compliance (CFTC, NFA), and scalable backend architecture on AWS. Key Responsibilities: Architect core backend systems (OMS, Clearing, Compliance)Design scalable, low-latency systems using .NET Co
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Posted 17 days ago

.Net Backend Developer

Photon

•

Seattle, Washington, USA

Third Party, Contract

.Net Backend Engineer Onsite at Seattle, WA/ Dallas, TX/ Chicago, IL, NYC, NY About Us: We are seeking a Senior Back-End Software Engineer to play a pivotal role in this transformation. If you are a self-driven individual with strong ownership skills, a delivery and solution-oriented mindset, expertise in C#, .NET, Azure, CI/CD, and IaC, as well as in-depth knowledge of airline domain, we want you to be a part of our collaborative and forward-thinking team. Key Responsibilities: Back-End Develo
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Posted 60+ days ago | Updated 5 days ago

.NET MAUI Software Engineer - REMOTE

PRS

•

Remote

Full-time

.NET MAUI Development - Remote Our client is looking to augment their team with an experienced Mobile Software Engineer to assist in the implementation of cloud-based systems used by large corporations. This would predominantly be new development Requirements: .NET MAUI cross-platform Mobile preferred, although Xamarin/WPF experience could suffice as wellAny of the following would of course be a plus but ARE NOT required: Azure / .NET Core / microservices / Docker/Kubernetes, etc.Work Auth: US /
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Posted 20 days ago | Updated 3 days ago

Lead C++ Developer with .Net

Photon

•

Remote

Third Party, Contract

Lead C++ Developer with C# and .Net Core Remote We are seeking a hands-on Lead Backend Engineer to help build a new Futures Commodity Commissions Market (FCM) platform a greenfield, regulated financial trading product focused on binary sports prediction markets. This is a rare opportunity to shape the architecture and implementation of a federally regulated financial system from the ground up. You'll be responsible for designing and developing core backend services for a compliant, low-latency t
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Posted 3 days ago