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Hire Bitcoin developers and engineers

Ivan Voras, Croatia

Member since June 18, 2014
Ivan is primarily a back-end developer with 10+ years of experience in architecting and implementing server-side solutions, including non-web-related distributed platforms such as Bitcoin, chat servers, and general client-server solutions. He has handled DBA operations, developed modules for PostgreSQL, operating system kernel modules (FreeBSD), and new algorithms. He is interested in general client-server problems and distributed apps. Click to continue

Oscar Guindzberg, Argentina

Member since December 31, 2013
Oscar is a software engineer with 15+ years of experience in the UK and Argentina. He is a Bitcoin & Java expert, co-founder of CreationFlow, and a former university object-oriented design teacher. Click to continue

Yuri Neves Silveira, Brazil

Member since April 15, 2014
Yuri has both back-end and front-end experience. He cares a lot about design although he's not a designer; he's proud to walk all the extra miles to get a pixel-perfect layout and the most consistent API. He has worked as a team leader and as a team member and has done very well in both roles. Click to continue

Viorel Stirbu, Romania

Member since September 6, 2013
Viorel started programming on a ZX Spectrum computer when he was fourteen years old and has never stopped writing code. He is a polyglot developer, specialized in Python/JavaScript web applications. He is also interested in machine learning, cryptography, and peer-to-peer networks such as Bitcoin. Click to continue
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CEO @ ConsumerAffairs
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President @ College TV Ticket
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Chris Holtzhauer
CEO @ HootRecruit
“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. Greco is an amazing web developer. He has great attention to detail, in such a way that his websites look just like the design mockups we created on Photoshop. Not only that, but his code is very organized, and he proved to be very skilled in React.js. I couldn't have been happier with his contributions to our company. Vadim is a very experienced software engineer, particular in iOS. He was able to help us build our mobile app in record speed, and also contributed to major mobile and architecture decisions. Vadim is a proactive and intelligent engineer and has impressed us from day one.”
Bruno De Martino
Head of Product @ Token
“With the pressure on and millions watching the Cleveland Cavaliers during the NBA Playoffs, Toptal delivered the talent and expertise needed to launch a brand new fan engagement platform.”
Conor Kenney
Director of Professional Services @ Cleveland Cavaliers
“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
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Rohit Gupta
CEO @ Bollyshake
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Greg Archbald
Founder & CEO @ Greasebook
“Working with Enrique has been a pleasure and a relief. His knowledge in the IT space is broad and in-depth. Zoomedia has been in need of this level of support for some time and I feel confident we are an exponentially stronger team with Enrique on board.”
Justin Bane
Senior Technical Lead @ Zoomedia
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Jeremy Wessels
CEO @ Kognosi
“Toptal developers deliver. Hiring my first developer on Toptal was such a pleasant experience that I quickly turned around and hired another. Every developer I've hired on Toptal has been professional, skilled, and self-managing—a pleasant departure from the typical freelancer marketplace.”
Mike Riess
Owner @ RiessGroup
“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
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