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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Toptal in the press
“Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.”
Selina Wang
“Toptal allows corporations to quickly assemble teams that have the right skills for specific projects.”
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Testimonials
“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
“We needed a talented developer and we needed him/her very quickly. So we turned to Toptal and couldn't be happier with the results! Our Toptal freelancer has contributed extraordinary knowledge, talent, and startup experience to our team. We will continue to work with Toptal to fulfill our future talent needs.”
Lindsay Fairman
Founder & Owner @ FairTech Labs, LLC
“Dario was recently assigned to our company in order to help with PHP and JW Video player refinements. He listens extremely well and offers common sense suggestions that save both time and money. He speeds up the process by asking great questions, and he just delivered our first project on time. His redesigned player offers a very pleasing appearance and delivers functions that are both elegant and intuitive.”
Dennis B. Jacobs
President @ College TV Ticket
“I’m a big believer in the saying, ‘hire smart, or manage tough’. For us non-hackers, Toptal takes the guesswork out of hiring. Their coders are vetted, and the work is guaranteed. Why look anywhere else?”
Greg Archbald
Founder & CEO @ Greasebook
“We've been incredibly pleased with our experience working with Toptal thus far. Their team worked quickly and efficiently to isolate the needs of our project, and they paired us with an appropriate developer within a couple days who we quickly contracted after a great interview. The work performed on our project was top-notch, and we can’t wait to make use of Toptal’s resources again.”
Ryan Staake
Owner @ Pomp&Clout
“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
“As a growing startup, finding top-notch engineering talent at affordable rates is one of the biggest challenges. After being frustrated with unreliable local contractors in New York, we turned to Toptal. We worked closely with Michal in Poland for 5 months and were thrilled with the results. Michal was an outstanding engineer who communicated flawlessly and took control of our project in ways that far exceeded my expectations. I give Michal and Toptal my highest endorsement and will continue to use and recommend them to anyone looking for software engineering talent.”
David Baker
Founder @ Spins.FM
“Toptal was the best thing to happen to my web app. Initially, I hired a team of freelancers from India through another freelancing website—which was a nightmare. In fact, it was so bad that I had to start again from scratch, which is when I found Toptal. The experiences were like night and day. It was so refreshing to get partnered up with a quality developer that I could trust due to Toptal's extensive screening process. I will only use Toptal from now on and highly recommend you do the same.”
Chris Holtzhauer
CEO @ HootRecruit
“I needed help, and fast. I did not want to hire a random coder I met online- I was worried about security, and many other issues. Toptal was there when I needed them- and has been fantastic to work with. Outsourcing is full of terrible stories- Toptal is the story that is the giant exception. I give them my highest recommendation.”
Michael Feder
Founder & CEO @ PrayerSpark
“Toptal has helped my business tremendously by finding, vetting, and recruiting the talent I need, at the right time. I’d definitely recommend it to others.”
Xavier Xicay
CEO & Creative Director @ Tuatara Corp
“My business relationship with Toptal has been nothing short of terrific. From reviewing my project with their team to choosing a highly-talented developer, and all the way through releasing our application, it has been an incredibly smooth and successful experience.”
Gary Craig
Senior Analyst @ NetApp
“We have been with Toptal for over two years and have hired through them multiple times. They've never failed to deliver with world-class talent and customer service and have been our first choice when scaling our team.”
Stuart Reavley
Product Lead @ ClassDojo
“In our 2 years of operations this is by far the most enjoyable and productive working relationship we have had with a developer. I plan on continuing to recommend Toptal's services to other entrepreneurs I run into.”
David Sawyer
CEO @ TSOLife
“Our experience with Toptal was very good. We had an open ended development project when we got started and the programmer from Toptal was very helpful, working with us on everything from the top level outline all the way down to development and delivery of functioning code." ”
Michael Milton
VP of Engineering @ SLANTRANGE

Recent C# Articles by Toptal Engineers

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My team is going to personally help you find the best candidate to join your team.

Alvaro Oliveira
VP of Talent Operations