
Hire the Top 3% of Web3 Developers in 48 Hours
Hire vetted Web3 developers, consultants, architects, experts, programmers, and developers on demand. Leading companies choose Web3.js freelancers from Toptal for their most important development projects.
Toptal's work was a crucial milestone that enabled us to scale our engineering teams and systems in step with our rapid growth.
Mark Marcantano, Calm
Trusted by leading brands and startups
Meet Web3 Developers in our Exclusive Network
Featured Talent

Imi Kim
Web3 Developer
Imi is a seasoned developer with over 30 years of experience leading and implementing systems to solve complex business problems. He has solid expertise in blockchains, mathematical and back-end coding, machine learning, trading, and systems design. Imi can help create a highly efficient version of whatever system a client is working on.

Julian Cislo
Web3 Developer
Julian is a full-stack Web 3.0 developer and consultant. He specializes in solidity smart contracts design, development, and security considerations. He has founded QuantDeFi, a consulting company in the blockchain space that offers to solve all Web 3.0-related problems for clients looking to integrate blockchain solutions. Julian also features his skills in transaction automation, having constructed arbitrage and liquidation bots utilizing flash-loan technologies.

Yashveer Rana
Web3 Developer
Yashveer boasts over a decade of experience crafting and optimizing software for dynamic startups and large established enterprises, with a sharp focus on scalability. As a co-founder and CTO of an AI-driven fintech company, he designed a product that supports 400,000 users monthly. Skilled in Java and Node.js, Yashveer relies on these tools for development, while music fuels his energy during intense coding sessions.

Éric Lamontagne
Web3 Developer
Éric has 23 years of software development experience since obtaining his bachelor's degree in software engineering. He has created a software development consultancy, founded a startup, and published mobile apps in Apple's App Store. He is certified in blockchain and is a Microsoft Certified Solution Developer (MCSD). Éric has worked with organizations of all sizes, from successful startups to corporations in the transportation, media, energy, aeronautics, insurance, and financial sectors.

Dee Acharjya
Web3 Developer
Dee is a full-stack engineer with experience leading teams and providing hands-on coding for scalable solutions. He has contributed to projects in diverse industries, including document management, blockchain, legal, and telecommunications, becoming highly proficient in Node.js, NestJS, React, Next.js, GraphQL, .NET, and C#. Dee is also adept at managing SQL and NoSQL databases and deploying CI/CD pipelines using GitHub Actions, Docker, and Kubernetes.

Luciano Greiner dos Santos
Web3 Developer
Luciano is a seasoned professional with a decade and a half of experience developing Java enterprise applications. Currently, he's focused on big-data technologies such as Spark, Cassandra, Kafka, and Elasticsearch. He's capable of working as a full-stack engineer, having also worked with JavaScript and AngularJS in the past. Luciano is also fluent in English, has a native level in Portuguese, and has basic Spanish speaking abilities.

Kaustav Chakraborty
Web3 Developer
Kaustav is a hands-on, goal-oriented, versatile technology professional with more than two decades of experience, primarily in open-source digital technologies, such as blockchain, IoT, microservices, cloud, distributed architecture, R&D, design, and development, with a proven track record delivering consistent business results. He loves to take on technical challenges, learn about new technology innovations, and deliver successful products worldwide.

Kartik Bajaj
Web3 Developer
Kartik is a seasoned engineering leader with a strong technical foundation and experience across high-growth startups and established tech companies. In his most recent position as Co-founder and VP of Engineering at WonderFi, he was responsible for driving product engineering and development strategy and scaling engineering operations to support the company’s ambitions in the fintech and Web3 space.

Jerome Sonnet
Web3 Developer
With 20+ years in finance, risk management, and IT, Jerome specializes in Odoo ERP architecture and project execution. He excels at designing and implementing scalable solutions and optimizing business processes with Agile development and cloud integration. He has led end-to-end Odoo deployments, engaged regulators, recruited strategic partners, and driven stakeholder alignment. As a full-stack IT engineer, Jerome ensures robust, efficient ERP systems that enhance operational performance.

Robert Keyan
Web3 Developer
For over ten years, Robert honed his skills in developing web applications using the MER(A)N-stack. His journey spans collaborations with diverse teams and enterprises, bridging continents with remote collaborations in various industries across Germany, Russia, the US, and Israel. Robert's focus has evolved into a multifaceted leadership role in recent years. Beyond coding, he has embraced the challenge of guiding and managing teams of developers while architecting a technological solution.

Dan Field
Web3 Developer
Dan is a software engineer and architect with almost three decades of experience in startups spanning consumer tech, web, eCommerce, mobile, Internet of things (IoT), Internet service providers (ISPs), telco, and blockchain industries. He is an innovator and technical lead with the ability to work across multiple industries, technologies, and levels. With solid experience developing new technologies, Dan can quickly climatize to new projects.

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Why Organizations Choose Toptal®

Toptal gave us access to the best designers out there, saving us a lot of time and allowing us to build the best possible product.
Thierry JakircevicGeneral Manager, Digital Solutions, Bridgestone

Toptal’s talent is really excellent. They are able to work through large business problems and code incredibly efficiently.
Emily LemonSenior Director, Cleveland Cavaliers

The kind of people we looked for were hard to find. Toptal helped us achieve our goals by bringing high quality resources to bear on very short notice.
Elmar PlatzerDigital Transformation Leader, CSR

If you’ve tried working with other vendors, Toptal is going to be a different type of company to work with; they’re going to meet you where your needs are.
Matthew SchumacherSenior Product Manager, Alpha - Precision Drilling
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