Hire the best C# developers near Seattle.

Toptal is a marketplace for top remote C# developers, engineers, programmers, coders, architects, and consultants. Top companies and start-ups in Seattle choose Toptal C# freelancers for their mission critical software projects.
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Hire remote C# Developers near Seattle or in a similar time zone

Alexander Xu

Freelance C# Developer at Toptal since March 12, 2015
Alex is a full-time software engineer who has worked for tech and eCommerce giants Microsoft, Amazon, and eBay. He offers many years of experience and superb expertise in developing enterprise applications. He is a solution seeker at heart, and he works well with clients. Click to continue

Tarek Ayna

Freelance C# Developer at Toptal since February 3, 2015
Tarek is a software engineering manager of the Azure team at Microsoft where he leads a team of 10 software engineers. He is a software manager, architect, and developer with over 10 years of experience in the field. Tarek is a full-stack developer: his experience ranges from databases and caches, the middle tier, and to the front-end. He has extensive experience in Azure and cloud architecture. Click to continue

Chris Constantin

Freelance C# Developer at Toptal since November 14, 2013
Chris is a talented developer with over a decade of Java experience and extensive work with a variety of other technologies. He is a husband and father, a music lover, and an avid hockey fan. Click to continue

Igor Oleinikov

Freelance C# Developer at Toptal since August 7, 2013
Igor is an architect and lead developer with extensive experience in the .NET technology stack (including C# and MVC), as well as JavaScript/TypeScript and the like. With a passion for programming, he spends his free time exploring the latest technologies. Click to continue

Jack LaSota

Freelance C# Developer at Toptal since August 24, 2016
Although Jack has enough of a CS background to turn algorithms into code, most of his skills originated from an indie puzzle game that he wrote alone. He learned that he had to be a perfectionist about best practices in order to avoid slowing to a crawl on large projects. Jack has recently developed another successful (niche) major project: a front-end only single page web app, wearing every hat and talking to the users about what they needed.. Click to continue

Derek Wang

Freelance C# Developer at Toptal since January 4, 2015
Over the past couple of years, Derek has worked on various .NET websites and applications such as social media sites and has been part of the development team creating websites for airline companies around the world. He also has a little experience with mobile development and C++. He has worked for a variety of teams online and in person and can communicate well in diverse environments. Click to continue

Wouter Steenbergen

Freelance C# Developer at Toptal since December 11, 2013
Wouter is a highly motivated, versatile, and skilled software engineer with 7+ years of experience as a team and program lead and 12+ years of significant software development experience. Click to continue

Dariel Marlow

Freelance C# Developer at Toptal since August 9, 2014
Dariel is a former Microsoft employee and successful startup entrepreneur. He has worked in a variety of capacities throughout his career. As a network admin, software developer, QA developer and architect in both enterprise and startup environments, he has the skills to help any team succeed. Click to continue

James Hollister

Freelance C# Developer at Toptal since July 21, 2016
James has a decade of experience analyzing complex business problems and solving them with simple, elegant information systems. Technologies that he has used to build those systems consist primarily of the Microsoft Stack - ASP.NET, C#, SQL Server, WPF, Windows Services, HTML5, JavaScript, and AngularJS. Click to continue

Nathan Ziebart

Freelance C# Developer at Toptal since January 8, 2013
Nathan is an exert iOS and .NET developer with several years of professional experience and a bachelor's degree in computer science. He is an astute problem solver, and he loves to work with clients across the globe to find the most elegant solutions. Click to continue
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“Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.”
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“Toptal allows corporations to quickly assemble teams that have the right skills for specific projects.”
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Testimonials
“The task of finding and hiring the right developers and programmers can be daunting, especially for startups. After sifting through countless unfit freelancers, we came across Toptal. They were able to fill our open position in no time, and I'd highly recommend the service!”
Josef Holm
CEO @ Tubestart
“We've used Toptal developers multiple times for multiple projects, and they've always been world-class—regardless of whether they've been from South Africa, Brazil, or the United States.”
Alex Haro
CEO @ Life360
“Toptal developers deliver. Hiring my first developer on Toptal was such a pleasant experience that I quickly turned around and hired another. Every developer I've hired on Toptal has been professional, skilled, and self-managing—a pleasant departure from the typical freelancer marketplace.”
Mike Riess
Owner @ RiessGroup
“With Toptal, we are able to find talented developers in a matter of weeks instead of months. The quality of talent they supply is extremely high as the developers are able to immediately onboard and ramp incredibly fast.”
Zac Carman
CEO @ ConsumerAffairs
“I struggled for weeks with a Youtube API-specific problem and couldn't find anyone to solve it. Toptal immediately identified the right consultant who took the time to investigate the issue and resolve it quickly. The process was seamless and I will continue to use Toptal with any other issues that arise.”
Rohit Gupta
CEO @ Bollyshake
“We struggled for weeks to find a developer or architect with expertise in a niche API, but to no avail. When we linked up with Toptal, they connected us with the very expert we needed, and a week later we were hard at work making progress! The whole process was very smooth and we ended up with a new feature we couldn't have done without Toptal.”
Thomas Honeyman
COO @ FindMySong
“Finding a good developer who specialised in the technologies we use seemed like an impossible task... until we used Toptal. We had several trial periods and have just accepted our first developer to join the team! The whole process went seamlessly and without any surprises or hidden costs. We are very happy and will continue to work together!”
Artem Tolmachev
CEO @ eKids.nl
“I can't say enough about how happy and confident I am in working with Enrique. He brings an enthusiasm to his profession that is very refreshing, constantly surprising us with his depth of knowledge and his capability to not only complete the task, but to surpass our expectations. He presents us with solutions that we would not have thought about ourselves, and sees the problem better than we can explain it.”
Chad Berryman
Senior Technical Lead @ Zoomedia
“We really enjoy working with Toptal. The experience has been very positive, and we'd recommend it to anyone seeking developers on-demand.”
Jeff Kerr
CEO @ CaseFleet
“Toptal has been an incredible source of amazing software engineering talent. The contractors who have worked with us have been top notch, spoke perfect English, and worked superbly with our team. We recommend Toptal without any reservations!”
Vineet Singal
Co-Founder @ CareMessage
“We have been incredibly happy with our Toptal experience. Initially a skeptic, the process to find and recruit a fabulous iOS developer was very easy. Rather than sifting through hundreds of CVs, we saw two and hired them. They have worked effectively, getting up to speed incredibly quickly and have almost become part of the team. We would definitely use Toptal again. ”
James O'Day
Co-Founder @ Pearlshare
“FundedByMe needed to quickly scale our development team to create the equity crowdfunding leg of our operation. Working with a small budget, we couldn't spend time on vetting candidates, so we turned to Toptal. They identified a stellar developer that truly set the bar when it came to delivering product.”
Arno Smit
CTO @ FundedByMe.com
“Dave as a developer was absolutely fantastic! The guidance that he provided us will allow us to make tremendous improvements to the next version of our application.”
Baroni Parson
IT Manager @ City Real Estate Advisors, Inc.
“We've had multiple needs for various development talent and Toptal doesn't disappoint. They truly focus on matching the best developer to our specific engagements, and they continue to stay connected in an effort to exceed our expectations at all times”
Mindle Hastings
Sr. Product Manager @ Bodybuilding.com

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