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.

Meet Web3 Developers in Our Exclusive Network

Featured Talent

Imi Kim, Freelance Web3.js Engineer.

Imi Kim

Verified Expert in Engineering
16 Years of Experience

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.

Web3.jsC#
Hire Imi
Julian Cislo, Web3.js Coder.

Julian Cislo

Verified Expert in Engineering
5 Years of Experience

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.

Web3.jsWindows DevelopmentTypeScriptSolidityJavaScriptBlockchainReact.jsSmart Contract DevelopmentEthereumDecentralized Finance (DeFi)Node.jsNFTPython
Hire Julian
Yashveer Rana, Web3.js Coder.

Yashveer Rana

Verified Expert in Engineering
14 Years of Experience

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.

Web3.jsNode.jsMySQLJavaJavaScriptWeb ScrapingREST APIPrompt EngineeringOpenAI
Hire Yashveer
Éric Lamontagne, Senior Web3.js Programmer and Consultant.

Éric Lamontagne

Verified Expert in Engineering
25 Years of Experience

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.

Web3.jsJavaScriptGitSoftware DevelopmentWeb Development
Hire Éric
Dee Acharjya, Senior Web3.js Programmer and Consultant.

Dee Acharjya

Verified Expert in Engineering
26 Years of Experience

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.

Web3.jsNode.jsReact.jsDockerKubernetesSoftware ArchitectureBlockchainDevOpsMongoDBNext.jsRDBMSNoSQLEnterprise Development
Hire Dee
Luciano Greiner dos Santos, Freelance Web3.js Programmer for Hire.

Luciano Greiner dos Santos

Verified Expert in Engineering
18 Years of Experience

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.

Web3.jsKubernetesDockerAWSJSONElasticsearchBig Data ArchitecturePythonEnterprise DevelopmentAngularJSSpringHTML5Web Development
Hire Luciano
Kaustav Chakraborty, Web3.js Freelancer.

Kaustav Chakraborty

Verified Expert in Engineering
24 Years of Experience

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.

Web3.jsJavaSpring BootEthereumApache KafkaSpringMicroservices DevelopmentNode.jsSoliditySmart Contract DevelopmentDatabaseFintech DevelopmentCI/CD
Hire Kaustav
Kartik Bajaj, Freelance Web3.js Developer for Hire.

Kartik Bajaj

Verified Expert in Engineering
10 Years of Experience

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.

Web3.jsNode.jsBlockchainSolidityReact.jsAPIJavaScriptArtificial Intelligence
Hire Kartik
Jerome Sonnet, Freelance Web3.js Programmer for Hire.

Jerome Sonnet

Verified Expert in Engineering
24 Years of Experience

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.

Web3.jsPythonOdooFull-stackTypeScriptReact.jsWeb DevelopmentDecentralized Finance (DeFi)Software Architecture
Hire Jerome
Robert Keyan, Accomplished Web3.js Freelancer.

Robert Keyan

Verified Expert in Engineering
12 Years of Experience

Web3 Developer

Robert is a senior full-stack engineer with 12+ years building production web apps on the MERN stack. He's shipped eCommerce platforms, mobile apps, and AI SaaS products for startups and enterprises across the US, Germany, and the UAE. His core is Node.js, NestJS, PostgreSQL, React, Next.js, and React Native, with solid experience in Redis, Docker, AWS, and CI/CD pipelines. He's led teams as both tech lead and CTO—running sprints, driving architecture decisions, and keeping delivery on track.

Web3.jsJavaScriptNode.jsReact.jsNestJSHTML5CSSTypeScriptReduxGitREST APIFront EndTailwind CSS
Hire Robert
Dan Field, Expert Web3.js Programmer for Hire.

Dan Field

Verified Expert in Engineering
20 Years of Experience

Web3 Developer

Dan is a software architect, CTO, and principal engineer with nearly 30 years of experience delivering AI, blockchain, and fintech solutions for startups and enterprises. He specializes in agentic AI systems, LLM-powered applications, distributed systems, cloud infrastructure, and high-performance back-end services. Dan is known for rapidly turning complex business requirements into scalable, production-ready platforms.

Web3.jsSolidityTypeScriptJavaNode.jsReact.jsSQLPostgreSQLRustBig Data ArchitectureDatabaseCloud EngineeringRedis
Hire Dan
Discover More Web3 Developers in the Toptal Network
Start Hiring

Hiring Made Easy

1

Share Your Needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert who specializes in your area of need.
2

Choose Your Talent

Get a shortlist of expertly matched Web3 developers within 24 hours to review and interview.
3

Start Your Risk-free Talent Trial

Start working with your chosen Web3 developer. You’ll have up to two weeks to assess the fit: Pay only if you’re satisfied.
Hire a Top Web3 Developer Now

Toptal Lets You Hire Fast,
With Unparalleled Success

Trusted Talent Only

Trusted Talent Only

Our talent network is composed of thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.

Precise Matching

Precise Matching

Our experienced talent matchers specialize in identifying talent that fits your needs. They work to understand your exact requirements and hand-select the best professionals for your project.

Seamless Hiring

Seamless Hiring

We handle all aspects of billing, payments, and NDAs, streamlining the hiring process so you can focus on innovation, not overhead.

No-risk Trial Period

No-risk Trial Period

We want to be sure your engagement is a total success, so we offer a no-risk trial period. Work with your new hire for up to two weeks and pay only if you’re satisfied.

Effortless Scaling

Effortless Scaling

We help you scale your team up or down as needed, with quick and efficient hiring in under 48 hours.

Flexible Engagements

Flexible Engagements

Our flexible engagement models allow you to choose the engagement type that suits your needs and adjust it anytime: hourly, part time, or full time.

Our Developer Screening Process

26.4%Applicants Pass

Language and Personality

Toptal developers possess excellent written and verbal communication skills. We test each candidate’s ability to convey complex technical concepts clearly across multiple collaboration tools and communication mediums. We also assess personality traits, looking for candidates who are passionate and fully engaged in their work.

7.4%Applicants Pass

In-depth Skill Review

Developers are required to demonstrate their knowledge and problem-solving ability through various assessments. We evaluate candidates based on their specialized work experience and knowledge of core technical domains, such as algorithms, data structures, system design, software engineering fundamentals, and more.

3.6%Applicants Pass

Live Screening

Toptal developers are skilled at tackling complex technical challenges creatively and independently. Each candidate participates in a live screening with one of our top developers, where they must demonstrate their ability to analyze technical challenges, propose multiple solution paths, and make decisions in real time.

3.2%Applicants Pass

Test Projects

Toptal developers are required to complete a test project that reflects real client work. During this step, candidates demonstrate their ability to ideate, scope, implement solutions, and solve complex technical problems in real-world scenarios.

3%Applicants Pass

Continued Excellence

Toptal developers are expected to maintain a strong track record while working with clients. We continuously evaluate our talent throughout engagements to ensure our high standards for excellence and performance are consistently met.

Try Talent Before You Hire

We have a 98% trial-to-hire success rate.

Up to two weeks to try talent and evaluate fit

No obligation to pay or hire at the end of the two weeks

Get an alternative candidate quickly if you’re not satisfied

See Why Clients Love Our Exceptional Service

140+

Countries Served

35,000+

Clients Served

Our customers say Excellent4.8 out of 5 based on 2,371 reviewsTrustpilot logo

Showing our favorite reviews

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

Top Web3 developers are in high demand. Ready to get started?

Hire a Top Web3 Developer Now