Hire the top 3% of freelance Solidity developers.

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

Radek Ostrowski, Australia

Member since July 25, 2014
Radek is a certified Toptal Blockchain Engineer particularly interested in Ethereum and smart contracts. In the fiat world, he is experienced in big data/machine learning projects. He is a triple winner in two different international IBM Apache Spark competitions, co... Click to continue

Andrei Smirnov, Russia

Member since September 30, 2014
Andrei is a passionate full-stack software engineer with 20 years of experience who has worked for Microsoft, EMC, Motorola, Deutsche Bank, and other big-name brands. He has built a number of successful projects utilizing various software stacks, for mobile, desktop ... Click to continue

Andras Fuchs, Hungary

Member since May 26, 2016
Andras is one of the very first Toptal certified Blockchain specialists and he's also a Microsoft Certified .NET Application Developer. He enjoys being part of a successful high performing team delivering a positive impact for businesses on a global scale. Besides hi... Click to continue

Fabrice Triboix, United Kingdom

Member since July 4, 2017
Fabrice is a cloud architect and software developer with 20+ years of experience who's worked for clients such as Cisco, Samsung, Philips, Alcatel, Sagem, etc. He specializes in designing secure, highly available, scalable, and cost-effective solutions on AWS. He's a... Click to continue