Hire the top 3% of freelance
Unified.js developers.

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

Zsolt Safrany, Hungary

Member since March 21, 2014
An enthusiastic Android developer, Zsolt has brought a number of apps to life and published them to the Google Play Store. Possessing a Master's degree in Computer Science, he has solid Enterprise Java experience in multinational environments and speaks English fluently. Click to continue

Hudson Tavares, Brazil

Member since March 31, 2015
After more than 10 years of development experience, Hudson is still learning new ways to do amazing things using everything that can (or not) run code--PCs, servers, mobile phones, analog telephones, and more--employing technology as a tool to overcome challenges while working on teams of all sizes, time zones, and characteristics. Click to continue

Leandro Matioli Santos, Brazil

Member since April 8, 2015
Leandro is a JavaScript and Ruby on Rails developer who loves to solve problems in creative ways and is constantly working to improve his knowledge. He always strives for a clean and organized architecture, focusing on maintainability and testing. Click to continue

Michael Valasanyan, Armenia

Member since July 7, 2015
Michael loves designing complex solutions that require a creative and analytical approach combined with the adoption of new technologies and methodologies. He enjoys traveling and working in a culturally diverse and global environment, communicating with international teams and creating real value for customers. Click to continue

Vali Voinea, Netherlands

Member since April 5, 2014
Vali is a passionate tester with a high attention to details, able to adapt and learn new things to fit his tasks and make his work better. He is an experienced Ruby developer, and has over four years of experience in UI testing. Click to continue

Youssef Shahin, Egypt

Member since November 1, 2013
Youssef is an engineer, developer, and problem solver with a proven ability to build optimal solutions for solving complex problems. He has experience with large scale architectures and machine learning solutions. He is a fast learner who is constantly looking to improve his skills. Click to continue

Manuel Vidonis, Croatia

Member since October 7, 2013
Responsible, experienced and always looking for new challenges. Over 10 years of experience in the software industry. Started out with C++ and C# and later on switched to Software Quality Assurance. Click to continue

Andre Bar'yudin, United Kingdom

Member since January 20, 2015
Andre is a seasoned developer with close to 20 years of hands-on experience, including C++/C#/Java/Scala/Python/etc. and fintech/investment banking experience. He speaks English, Hebrew, Russian, and some Spanish, and is quite capable of working both on his own and in a multinational team. Click to continue

Emiliano Cenizo, Argentina

Member since December 18, 2012
Previously at Intel, Emiliano is an experienced developer with a passion for the intricacies of writing code. He excels in efficiently synthesizing client product specifications and turning them into high-level products. Click to continue
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“Chris 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
“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
“To take advantage of Toptal's capabilities, we actually remodeled the way we do our work. We develop pseudo code with some code fragments that we send to our Toptal developer, who has 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 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
“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
“I really enjoyed my experience with Toptal. Searching for a developer was both painless and engaging, and the first match was a perfect fit! Toptal is a fantastic way to find talented developers for small or large aspects of your project.”
Willem Shepherd
Creative Director @ Mookieyams
“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
“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
“Sergio was an awesome developer to work with. Top notch, responsive, and got the work done efficiently.”
Dennis Baldwin
Chief Technologist and Co-Founder @ PriceBlink
“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
“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 needed some short-term work in Scala, and Toptal found us a great developer within 24 hours. This simply would not have been possible via any other platform.”
Franco Arda
Co-Founder @ WhatAdsWork.com
“We've been very pleased with our experience working with Toptal. Their team was incredibly helpful in finding us 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
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