Hire the best C# developers near Philadelphia.

Toptal is a marketplace for top remote C# developers, engineers, programmers, coders, architects, and consultants. Top companies and start-ups in Philadelphia choose Toptal C# freelancers for their mission critical software projects.
  • Trusted by:

Hire remote C# Developers near Philadelphia or in a similar time zone

Max Stepanskiy

Freelance C# Developer at Toptal since April 15, 2014
Max is a top architect, engineer, and full stack developer with extensive experience working in various industries. He has a proven ability to define and develop efficient, performant, scalable, and fault-tolerant solutions Click to continue

Jean Christian Daudier

Freelance C# Developer at Toptal since February 16, 2014
Jean Christian is a full-stack software engineer who is great at balancing timely delivery and code quality. He has an Agile and test-driven mindset with knowledge of dynamic and static languages as well as object-oriented and functional programming paradigms. He works well both with team members and alone. Click to continue

Orest Khrapko

Freelance C# Developer at Toptal since August 27, 2014
Orest is a highly skilled senior developer with extensive development experience in system design, .NET technology stack including C#, ASP.NET, MVC, Web Api, SQL, Entity Framework. He is passionate about JavaScript and related technologies, namely jQuery, AngularJS, KnockoutJs, NodeJS, Express etc. He has built many complex world class products from start to finish making every project he works on a success story. Click to continue

Christopher R. Wirz

Freelance C# Developer at Toptal since March 22, 2013
Christopher is a strong believer in abstraction and making all components communicate, from the database to the UI. He's created several plugins for desktop applications, but his real passion is working on great APIs to deliver content for the browser and desktop applications alike. Click to continue

Rory Woods

Freelance C# Developer at Toptal since March 25, 2014
Rory is a software consultant delivering solutions to fill enterprise needs. He brings technical skill and experience guiding teams in not just how to build, but what to build. He has extensive experience on the Microsoft web stack, including ASP.NET MVC, Web API, SQL Server, and Azure. Click to continue

Andrè Barnes

Freelance C# Developer at Toptal since December 18, 2013
Andre' is a top engineer and developer with over fifteen years of experience creating web and windows solutions. He is an intellectually curious decision-maker with good communication skills. He is a motivated self-starter with the ability to learn and adapt quickly. Click to continue

Etienne de Boursetty

Freelance C# Developer at Toptal since April 10, 2016
Etienne has been working in the financial industry for 10 years, building models and market analysis tools for traders at world class financial institutions and hedge funds. Working primarily in C#, he has designed and developed large scale data analysis platforms that allowed business-focused team members to quickly crunch vast quantities of numbers efficiently. Click to continue

David Pfeffer

Freelance C# Developer at Toptal since May 6, 2016
David is a software engineer and an adjunct computer science professor at Stevens Institute of Technology in Hoboken, NJ. He’s been involved in a number of startup businesses as well as worked in the financial services sector on high bandwidth/high transaction computing. He’s an expert in C#/.NET and TypeScript--having used the latter since its initial betas--and he also does regular work with Angular/Angular2 and Ionic/Ionic2, Node, and Express. Click to continue

Eric Remington

Freelance C# Developer at Toptal since June 15, 2015
Eric has ten years of experience in every facet of information technology—from tech support to programming to database administrator. He has experience in a large variety of programming languages, including .NET, PHP, Java, and Ruby. He works well solo, or in a team of any size. Click to continue

Emad Ibrahim

Freelance C# Developer at Toptal since November 9, 2013
Emad is a seasoned web and Windows phone developer and has published a book on ASP.NET MVC and Test-driven Development. He is an entrepreneur, passionate technologist, programmer, and productivity nut, and he loves to work with clients to make their developmental vision come true. Click to continue
Trustpilot
Toptal on TV
"Toptal is killing it, it kind of owns this market."
Andrew Ross Sorkin Reviews Toptal
Cnbc 02e66b
"Tech companies simply cannot find the quality employees they want to hire. The solution: Toptal."
Liz Claman´s Review of Toptal
Fox 7ef901
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.”
Steven Norton
Testimonials
“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.
“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
“My experience with Toptal has exceeded expectations. I needed to quickly find a front-end developer, and the first person they recommended was a perfect fit. A month later, I needed an iOS developer and they delivered again. I'm incredibly impressed with the quality of the people in Toptal's network and how quickly I was able to find a match for my needs.”
Bruno De Martino
Head of Product @ Token
“Andrea is doing an amazing job. I don't think we could have gotten a better person. He is fun to work with, he thinks out of the box, and he is extremely knowledgeable in what he is going. He not only does an excellent job, he also helps our company to differentiate our business model further (e.g. making our app offline-capable). I would recommend Andrea as well as Toptal any time to any friend.”
Pascal Girardat
Co-Founder / CEO @ Lifestage Solutions AG
“Toptal provides a great service: Within a week of posting my job, I was matched with my developer and ended up completing the entire project with him. I'll continue to use Toptal in the future for any new development work I may need.”
Mike Jones
CEO @ DigitalDripped
“We're a small firm with big dreams. After trying 4 or 5 local or outsourced developers, we were out of options. I'd heard of Toptal, but was worried that my company wasn't big enough for them. After calling them up, I found out that I didn't need to meet any minimum budget and was immediately put in touch with a developer to talk through my problems and goals. A day later, he got back to me with a list of possible solutions. After 9 months and 5 developers, Toptal got me my solution in a single week at a price I could afford.”
Kevin Ramirez
Co-Founder @ SixtyVocab.com
“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 had a wonderful experience with our Toptal consultant. He was very reliable and punctual, delivering excellent work on a budget—we will certainly be using him again!”
Barbara Karpf
President @ DecoratorsBest
“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 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
“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
“Toptal has been extremely helpful to us in finding top remote talent. The ratio from interview to hire with Toptal candidates is the highest I've ever experienced in my professional career.”
Philipp Berner
Co-founder and CTO @ KeepSafe
“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 very pleased with our experience working with Toptal. Their team was incredibly helpful in helping us find the perfect developer for our project. The work was stellar, the communication was excellent and we couldn't have been happier with the overall experience. We're excited to work with Toptal for more projects in the future!”
Ryan Walker
Director, Product Management @ Rand McNally

Recent C# Articles by Toptal Engineers

Alvaro 1506e7

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

Alvaro Oliveira
VP of Talent Operations