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

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

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

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

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

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

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

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

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
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“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
“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
“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
“Ignacio is one of the most diligent software developers that we have ever worked with—we feel like he's part of the family. He has always been flexible enough to work on our team's schedule and never misses deadlines. Toptal gets you the talent you need, on your timeline, keeping the process very low friction.”
Austin Evarts
CEO @ GoChime
“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
“I've been very happy with Juraj. He is efficient, writes great code, and is an extremely nice guy to work with. Most importantly, he is self-motivated. In just his initial pass at the code base, he has contributed several optimizations and stability improvements. Regarding Toptal as a service…well, you matched us up with Juraj without me having to sort through a list of candidates, so I’m impressed.”
Matt Cotton
Dev Team Lead @ eFolder
“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
“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
“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
“We used Toptal to hire a developer with extensive Amazon Web Services experience. The process was quick and effective. We interviewed four candidates one of which turned out to be a great fit for our requirements. We plan to use Toptal again in the future and would recommend their services.”
Abner Guzmán Rivera
CTO and Chief Scientist @ PhotoKarma, Inc.
“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
“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
“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
“Working with Toptal has been a great experience. Prior to using them, I had spent quite some time interviewing other freelancers and wasn't finding what I needed. After engaging with Toptal, they matched me up with the perfect developer in a matter of days. Amaury, the developer I'm working with, had all of the right skills and experiences that I needed for my project. He not only delivers quality code, but he also makes suggestions on things that I hadn't thought of. It's clear to me that Amaury knows what he is doing and I'm happy to have him on the team. Highly recommended!”
George Cheng
CEO @ Bulavard, Inc.
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VP of Talent Operations