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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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 15+ 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