Lead .Net Developer Jobs in Seattle, WA

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Lead .Net Application Developer - Seattle, WA

R Systems, Inc.

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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 8 days ago | Updated 1 day ago

Lead .NET Software Developer

Zachary Piper Solutions, LLC

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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 8 days ago | Updated 3 hours ago

Lead Software Developer (.NET)

Zachary Piper Solutions, LLC

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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
Posted 9 days ago | Updated 3 hours ago

Lead Software Developer (.NET & Insurance Solutions) Remote

Gainwell Technologies LLC

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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 4 days ago | Updated 1 hour ago

Lead Software Developer (.NET & Insurance Solutions) Remote

Gainwell Technologies LLC

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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 4 days ago | Updated 1 hour ago

Lead Software Developer (.NET & Insurance Solutions) Remote

Gainwell Technologies LLC

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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 4 days ago | Updated 1 hour ago

Lead .Net Developer with Google Cloud Platform

iSpace, Inc

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Remote

Contract

It's a W2 contract position, NO C2C/1099. Title: Lead .Net Developer with Google Cloud Platform Location: Remote Duration: 12 Months Contract Skill Summary: 8+ years of experience in .Net technologies including .Net Core.Very proficient in C#, .Net Web API, Entity Framework etc.Strong working knowledge with different databases like Postgres, Oracle & Snowflake. Able to do all database operations using LINQ as well able to work with database IDEs.Fluent in Angular UI framework, typescript, NGRX,
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Posted 60+ days ago | Updated 1 day ago

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

Photon

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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 24 days ago

Sr Developer (.NET)

Randstad Digital

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Remote or Cleveland, Ohio, USA

Contract

job summary: Randstad Digital is hiring and we're looking for someone like YOU to join our team! If you are seeking a new opportunity, looking to grow in your career, or you know someone who is - we want to hear from you! Take a look at the below opportunity, or feel free to visit to view and apply. location: Cleveland, Ohio job type: Contract salary: $58.57 - 68.57 per hour work hours: 8am to 5pm education: Bachelors responsibilities: For these contractor assignments, as Senior Developers
Posted 8 days ago | Updated 2 hours ago

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

Experis

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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 moments ago

Lead Full-Stack .NET Engineer

Zachary Piper Solutions, LLC

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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 1 day ago | Updated 3 hours ago

Lead C++ Developer with .Net

Photon

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Remote

Contract, Third Party

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 2 days ago

.Net Developer- Only w2, No C2C (Citizens)

HonorVet Technologies

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Remote

Contract

Job Title: .Net Developer- Only w2, No C2C (Citizens) Location: Remote - US Duration: 6 + Months Contract Only W2 Job Description: Client is seeking an experienced .NET Developer with 5-7 years of hands-on experience in designing, developing, and maintaining .NET applications. The ideal candidate will work on building scalable solutions, improving performance, and troubleshooting complex issues. You will collaborate with cross-functional teams to deliver high-quality software solutions that alig
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Posted 4 days ago | Updated 3 days ago

Senior .NET Developer - Healthcare Domain

Cognowiz

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Remote

Contract

Title: Senior .NET Developer - Healthcare Domain exp. MUST Location: Remote/US Duration: +6 Months Job Description: We re seeking a skilled engineer to lead development across Azure and AWS platforms, with deep expertise in .NET 8, Cosmos DB, event-driven architectures, and API integration. You'll work on a cross-cloud application modernizing notification services, APIs, and infrastructure using best-in-class tools and patterns. Core Responsibilities: Design and implement cloud-native solutions
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Posted 18 days ago

Senior .Net Developer

Kyndryl

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Virginia, USA

Full-time

Who We Are At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role Are you passionate about solving complex problems? Do you thrive in a fast-paced environment? Then there's a good chance you will love being a
Posted 14 days ago | Updated 5 hours ago

Senior .NET full Stack Developer

Primesoft Consulting Services Inc

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Remote

Contract

NO C2C ONLY ON W2 We have an immediate requirement for Senior .NET full Stack Developer@Orlando - Remote Job Description: Experience in Development, maintenance, and enhancing web applications using C#.NET Should have good Experience in .NET Core and .NET Framework. Should have good Understanding of object-oriented programming (OOP) principles. Must have good experience in Angular development, HTML5/Javascript with Android experience. Must have good experience with DevExtreme and Angular Mate
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Posted 2 days ago | Updated 4 hours ago

Senior .NET Developer

Sigma Software LLC.

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Remote or Dallas, Texas, USA

Contract

We are immediately looking people for the following position, if you are interested please send me the requirement at Job Details: Role:Lead .Net Developer Location: Remote Duration: 12+ Months Interview: Video Need 12 Years profiles Job Requirements: Primary skills:.Net Core, C#, Azure , DevOpsProven experience in .NET development with strong proficiency in C#, , .NET Core, and .NET Standard.Solid understanding of object-oriented programming (OOP) principles and design patterns. Familiarity wi
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Posted 60+ days ago | Updated 1 day ago

Senior Software Developer (.Net/Microservices/Angular)

cyberThink, Inc.

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Remote

Contract

Only W2 Candidates Systems Experience: Must have .NET, Microservices (containerized application development), strong Angular front-end development. Looking for someone with 8+ years of experience as a Software Developer. Project is working on Portal Modernization. There is a legacy portal application that's been around for some time, updating it, and breaking it apart into microservices, micro front ends, etc. to carry us into the future. Can sit anywhere in the US, majority of the team is in Ut
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Posted 3 days ago

Sr Full Stack .Net /API Developer 100% REMOTE

Excellerent Technology Solutions

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Remote

Contract

Have 5 years of progressively more complex experience in software developmentHave .NET and SQL experienceHave experience with Agile development life cycleAngular & Maui experience desiredHigh attention to detail, critical thinking, and a commitment to quality work
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Posted 4 days ago | Updated 1 day ago

.Net, C#, C++ Lead Engineer

Photon

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Remote

Contract

Greetings everyone, I hope you are staying safe. We are hiring a .Net, C#, C++ Lead Engineer to join our Digital Engineering team. Who are we? 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. For a brief 1 minute video about us, you can check ;/u> Job Title: .Net, C#, C++ Lead Engineer Location: Remote Job Description:
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Posted 11 days ago | Updated 2 days ago