Hire the top 3% of freelance Yesod developers.

Toptal is a marketplace for top Yesod developers, engineers, programmers, coders, architects, and consultants. Top companies and start-ups choose Toptal Yesod freelancers for their mission critical software projects.
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Hire Yesod developers and engineers

Raul Piaggio, Uruguay

Member since December 9, 2014
Raul specializes in Java and Scala development, seeking elegance in software architecture and code and striving for the proper abstractions to obtain maximum productivity and maintainability. He has been coding since he was nine, professionally since he was eighteen. Learning new things is what motivates him the most, and in the past few years, he has begun to specialize in front-end web technologies as well. Click to continue

Matthew Keas, United States

Member since July 13, 2013
Matthew is an enthusiastic world traveler and follower of scientific computing, compilers, web development, and computer security. He has learned from universities and government organizations and worked for individual clients, startups, and more. He lives to solve problems, and he contributes actively to open source and community projects. Click to continue

Nikola Henezi, Croatia

Member since April 10, 2015
Nikola is a sofware developer, computer scientist, and mathematician with years of experience in many programming languages and paradigms. He is a practical individual who prides himself on clear communication and efficient coding. Click to continue

Adis Hamzić, Bosnia and Herzegovina

Member since June 3, 2015
Adis is a software developer with proven skills ranging from embedded programming to web front-end development. Mostly focused on .NET and Java ecosystems and object-oriented programming due to familiarity and comfort, he still has no problems choosing other technologies and and learning new ones. Click to continue

Federico Tomassetti, France

Member since June 12, 2015
Federico has worked for TripAdvisor and Groupon. He has a PhD in software engineering working on model-driven development, domain-specific languages, and polyglot software development. If you take a look at his GitHub profile, you'll see that he has created and contributed to dozens of projects using Java, Ruby, Python, Clojure, Scala, Haskell, and other languages. Click to continue

Mauro Schilman, Argentina

Member since April 30, 2015
While in high school, Mauro competed in several international math Olympiads and has since continued his love for problem solving and abstract thinking. He completed a master's degree in computer science and mathematics, and has done two internships with Google as an undergraduate. Click to continue

Erlend Hamberg, Norway

Member since May 11, 2015
Erlend has a large range of experience in software development, having worked on projects from kernel driver development to web apps. He is most proficient on the back-end side of things and knows how important the behind-the-scenes foundation is for a good product. He has industry experience with C, C++, Haskell, and Erlang and is not at all afraid of learning new technologies or languages that may be well-suited for a problem domain. Click to continue

Tute Costa, United States

Member since November 21, 2013
Tute is an enthusiastic and senior Ruby on Rails developer. In addition to giving popular technical workshops at conferences, he is also an important creator and maintainer of open source Rails contributions. Click to continue

Dwayne Crooks, Trinidad and Tobago

Member since August 8, 2014
Dwayne is a software developer with over 5 years of experience developing web applications. Currently he specializes in Python and the Django web framework. He is passionate about his field and works with his clients to help them solve their challenging technical problems. He communicates well and has worked with teams of all sizes. 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.”
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“Toptal allows corporations to quickly assemble teams that have the right skills for specific projects.”
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Testimonials
“Our Toptal contractor quickly came up to speed on our process and became an integrated part of our team. We look forward to growing together!”
Vitaly M. Golomb
CEO @ Keen Systems
“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
“We've actually remodeled the way we do our work to take advantage of Toptal's capabilities. We develop pseudo code with some code fragments and send to our Toptal developer with a specific task set. The work is then further processed by the next group of Toptal engineers. It's been very efficient and we've seen a massive improvement in our development speed.”
William North
CTO & Co-Founder @ Swizly
“Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.”
Jason Kulik
Co-Founder @ ProHatch
“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 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
“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 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
“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
“Robert was such a breath of fresh air! I’m used to working with developers who don’t speak good English, don’t understand my needs, and are bad communicators in general. But Robert was not only an EXCELLENT communicator, he knew exactly what I was looking for and made it better than I thought possible. Now I have a website that works better than I thought it could for less than the cost it would have taken other developers, and in half the time. Robert is as good as they come, and a true professional. Anyone thinking of working with him, stop thinking about it and hire him. You won’t regret it.”
Matthew Bennett
CEO @ Winning Social
“I'm incredibly impressed with the caliber of the Toptal developers I have worked with - they have proven themselves to be both dedicated and highly talented. We will most definitely continue to work with Toptal. ”
Savannah de Savary
Founder @ Industry Hub
“Chris Wood is an absolutely exceptional Python developer, and the single most efficient programmer I've ever worked with. From the beginning of the project, Chris was instantly a vital member of the team. He's proactive, self-managed, knowledgeable, and efficient. I point him in a direction, and he delivers. Chris will be a part of the Crisis Cleanup team as long as I have anything to say about it.”
Aaron Titus
Project Manager @ Crisis Cleanup
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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