Freelance Blockchain jobs for world-class engineers

At Toptal, you get to work on freelance Blockchain jobs and projects with top clients who understand the value of elite engineering talent. As a former Enterprise Blockchain Developer, Blockchain Engineer, or Solidity Developer, you gain the opportunity to design your own schedule, get real-time help from a global community of experts, and enjoy top professional development opportunities.

Hiring blockchain developers? Learn more about Toptal.

Why should you use Toptal to build your career?

At Toptal, you’ll always have plenty of opportunities available to grow personally and professionally. From working with cutting-edge technologies to getting real-time feedback from a global community of top developers, there are always options for creating value for yourself here.

Grow your career by working with top companies

Grow your career by working with top companies

At Toptal, you’ll choose from projects with industry leaders like Airbnb and NetApp and learn cutting-edge technologies and skills.

Never worry about payments

Never worry about payments

At Toptal, you set your own rate, always get paid on time, and never have to worry about negotiating with clients or competing with cheap, inexperienced developers.

Design your own lifestyle

Design your own lifestyle

No offices, no useless meetings, and no mandatory hours. You choose your own availability and enjoy the freedom to work from wherever you want.

Learn from peers and take advanced technical courses

Learn from peers and take advanced technical courses

Have a bug? Ping the Toptal Slack Community for real-time, on-demand support from a global network of top engineers. Want to learn a new skill? The Toptal Academy is designed to help you rapidly gain professional expertise in a new technology.

Get featured on the Toptal Engineering Blog

Get featured on the Toptal Engineering Blog

With hundreds of thousands of subscribers, hundreds of advanced technical studies, and frequent syndication requests from top industry publications, publishing on the Toptal Engineering Blog is a unique chance to show off your top work to the best in the industry.

Speak at conferences and attend events

Speak at conferences and attend events

Not only will you be able to attend Toptal Community events in cities all around the world, but as part of the Toptal Speakers Network, we’ll also help you attend leading conferences, submit papers, and prepare and deliver keynote speeches.

Meet members of the Toptal Blockchain community:

Shota Silagadze

Tbilisi, Georgia

Coming from an Olympic background, Shota always enjoyed exciting and complex challenges. For years, he focused on learning algorithms, u... Read More

Boris Maryshev

Miiduranna, Estonia

Boris worked as a DevOps, SRE, and back-end software development engineer. He has a scientific mindset and 15 years of experience workin... Read More

Levi Self

Nashville, TN, United States

Levi has nearly a decade of experience in applied data science in a variety of industries with a concentration in the insurance industry... Read More

Nathan Barraillé

Lyon, France

Nathan is a Cloud Architect, DevOps, back end, and data engineer with over ten years of experience in top Silicon Valley companies such ... Read More

Faister Cabrera Carvalho

Americana - São Paulo, Brazil

Faister is an experienced developer and system analyst who now specializes in JavaScript back-end development. He is comfortable working... Read More

Tadej Slamic

Oslo, Norway

With over a decade in the software industry, Tadej has helped startups launch their first product, assisted FTSE100 enterprises with dig... Read More

Felix Effenberger

Stuttgart, Baden-Württemberg, Germany

Felix is a mathematician (Ph.D.) and computer scientist by training, turned researcher in neuroscience and machine learning, and then tu... Read More

Gabriel Parent

Seattle, WA, United States

Gabriel completed his master's before spending six years at Amazon working with the Search and Discovery team, and the Music organizatio... Read More

Furkan Yavuz

Istanbul, Turkey

Furkan is an experienced Java developer who has worked on a variety of projects including online payment solutions and fraud detection a... Read More

Rumen Han

Hong Kong, Hong Kong

Rumen has eight years of experience in web development using JavaScript (React, Angular), Python (Django), and AWS. He has worked on a v... Read More

Nikola Tanković

Pula, Croatia

Nikola is a distributed applications architect, researcher, and a software engineer. As a university lecturer and post-doctoral research... Read More

See 3 typical Blockchain jobs you’ll have access to at Toptal:

Top clients, ranging from industry-leaders to rapidly growing start-ups, use Toptal to hire elite blockchain developers for their mission-critical jobs.

Enterprise Blockchain Developer
Blockchain, Java, Hyperledger, R3 Corda

We are a Fortune 1000 business transforming a critical part of our system to become powered by blockchain technology. We are hiring multiple engineers who are familiar with blockchain and related technologies to work within our teams. The project is cross-functional and will take our business to the next level on a global scale.

Blockchain Engineer
Blockchain, Distributed Systems, Python, C++, Security Skills

We are a medium-sized business in the logistics space looking to utilize blockchain to optimize parts of our process and better integrate our services with our users and customers. We are looking for an engineer who is experienced with blockchain to assess our needs, propose a solution, and implement it with the approach of their choosing.

Solidity Developer
Solidity, Ethereum, Smart Contracts

We are an early stage startup looking to raise funds via an ICO. We are looking for a developer who is very experienced in building smart contracts to help us launch and sell our token. We need a developer who has a security-oriented mindset and can implement stable, secure and optimized code for the smart contract. Experience with Solidity and Ethereum is a must have.

Enjoy competitive, worry-free compensation.

At Toptal, you set your own rates and never have to spend time marketing yourself, billing clients, etc. Most Toptalers make substantially more through Toptal than they did at their previous jobs, and we’ll always pay you on time, even if clients have not yet paid us. Never worry about payments again.

Trusted by:
Airbnb trusted Toptal to help hire programmers to support their Berlin office.
Bridgestone has worked with Toptal to add freelance developers to their global team.
Duolingo trusted Toptal contractors to develop their key software applications.
USC hires software engineers from Toptal for their mission-critical initiatives.
Shopify logo
Cleveland Cavaliers hires software engineers from Toptal for their mission-critical initiatives.

Design your own lifestyle.

At Toptal, you can choose your own schedule and work from anywhere in the world that has Internet. Whether you want to spend more time at home with your family or start traveling and work from exotic beaches, the choice is completely up to you. No offices, no mandatory hours, just complete freedom to work in the way that suits you best.

Join tech conferences, advanced skill development sessions, and more.

Not only will you be able to attend Toptal Community events in cities all around the world, but if you join the Toptal Speakers Network, we'll also help you attend leading conferences, submit papers, and prepare and deliver keynote speeches.

Publish technical papers alongside blockchain developers on the Toptal Engineering Blog.

The Toptal Engineering Blog features hundreds of thousands of subscribers, daily in-depth technical studies, and frequent syndication requests from leading publications across the tech industry. By joining, you’ll be able to publish on the Toptal Engineering Blog and show your top work off to a global audience of blockchain developers.

Why do top Blockchain experts join Toptal?

Dan Napierski

Principal Software Engineer
Boston, Massachusetts

Dan is a software architect and technology professional focusing on applications of blockchain technologies. He has years of experience providing professional consulting services to clients ranging from startups to global corporations. Dan specializes in bringing rigorous testing and bulletproof code to complex engineering challenges. He has broad expertise in many aspects of artificial intelligence, blockchain, machine learning, and automation.

Right now we are experiencing tremendous growth in interest in blockchain, cryptocurrencies, and new financial technologies. Through Toptal I gain access to clients looking not only to enter these fields but break new ground using the latest tools and methods. Being a part of the Toptal community has rewarded me with engagements that match my skills and expertise.

Radek Ostrowski

Blockchain Consultant
Sydney, Australia

Radek is a blockchain engineer particularly interested in Ethereum and smart contracts. In the fiat world, he is experienced in big data and machine learning projects. He is a triple winner in two different international IBM Apache Spark competitions, co-creator of PlayStation 4's back-end, a successful hackathon competitor, and a frequent speaker at conferences in Australia, Poland, and Serbia.

Blockchain is one of the most exciting spaces to be working in right now. Finding exciting projects, however, is challenging as it is an emerging technology and the opportunities are limited. Thanks to Toptal, I don’t have to worry about finding projects, and can focus on consulting and software development for various international clients from the comfort of my home.

Ivan Voras

Senior Blockchain Engineer
Zagreb, Croatia

Ivan is primarily a back-end developer with 15+ years of experience in architecting and implementing server-side solutions, including distributed platforms such as Bitcoin and other blockchains, chat servers, and game back-ends. He has handled DBA operations, developed modules for PostgreSQL, operating system kernel modules (FreeBSD), and new algorithms. He has recently branched into hardware design for IoT devices.

Blockchain technologies are currently in high demand and Toptal provides the perfect opportunity to find quality clients who have the need and the vision to build something truly great. The projects and their requirements are diverse, and the Toptal platform gives me the opportunity to stay on the bleeding edge of technology and advance in both software and hardware development skills.

By joining Toptal, you’ll have full flexibility over which projects you choose and when you want to work.

Aside from enjoying the benefits of our amazing community, you’ll have full flexibility to accept or reject projects as you prefer. Whether you prefer to work full-time at Toptal or you’d rather just take on occasional hourly jobs, the choice is yours.