Hire the top 3% of freelance smart contract developers.

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

Máté Solymosi, Switzerland

Member since June 4, 2015
Máté is a full-stack software engineer with 8+ years of experience working on web applications of all sizes, from small greenfield projects to complex legacy systems. He is extremely organized, communicates very well, and prides himself in writing clean, future-proof... Click to continue

Aminadav Glickshtein, Israel

Member since May 26, 2016
Aminadav has 15+ years of professional experience and started coding at the age of seven, making programming like a native language for him. As a full-stack and blockchain architect, developer, and consultant, he has in-depth knowledge of many areas and possesses the... Click to continue

Antonios Minas, Greece

Member since December 5, 2014
Antonios is a senior software engineer specializing in front-end, WordPress, Blockchain technology, PHP, and JavaScript frameworks with more than six years of professional experience spanning from the IT sector to digital advertising. He is passionate about applying ... Click to continue

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

Andrii Soldatenko, Ukraine

Member since October 3, 2013
Andrii is a blogger and speaker as well as an expert back-end developer with Python/C and Golang. He has extensive knowledge of the Docker and Kubernetes. He also has an interest in databases; you can find his talks about full-text search and SQL optimization based i... Click to continue