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Top freelance Blockchain developers available to hire

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Freelance Blockchain Developer - Emmanuel Samson
Freelance Blockchain Developer5.0 (9 reviews)

MY WORK HOURS FROM 8AM => 10PM. 14 HOURS A DAY :) I'm a resilient software developer who is forward-thinking, loves to share knowledge to help others and strongly values good relationships. I love paying attention to every detail and can communicate effectively in simple clear terms, especially when it has to do with simple or complex concepts. I keep it simple always, as this will speed up the delivery of any task, in record time, by also eliminating unecessary back and forths. I’m also very passionate about crafting products that people love, and have strong knowledge in working with external APIs and integration with 3rd party APIs. I care about making the customers happy, by providing services focused on: testing, accessibility, teamwork and code quality. My domain specific skills covers: HTML | CSS | jQuery | Ajax | JavaScript | PHP | Codeigniter | React.js | Next.js | Backend APIs | MySQL | MongoDB | AWS | Digital ocean | GCP | CI/CD | Test Driven Development (TDD) | Blockchain | Web3 | Smart contract | Hard Hat | Meta Mask | Soft skills: | Effective Communication | Leadership | Teaching | Writing Articles | Always kind | I love writing articles that provide help for common coding challenges and they are available here: https://dev.to/emmabase. If you're ready to grow, learn, and overcome obstacles in your coding journey, I'm excited to help you achieve your goals! Please, feel free to reach out to me with your app ideas/requirements and together we could make something pretty awesome ❤️

Freelance Blockchain Developer - Kafil Ahmed
Freelance Blockchain Developer5.0 (9 reviews)

Senior BI/Data Analytics Consultant, a committed software engineer who seeks to develop elegant solutions to business challenges. My driving force is the passion that pushes me to seek new heights and keep learning the latest ideas, platforms, frameworks, tools, and best practices. I believe in a world of personal and professional growth for all of us and in this spirit, I am always ready to learn and offer to share my expertise as a mentor and a Codementor.

Freelance Blockchain Developer - Carlotta Tatti
Freelance Blockchain Developer

I'm a dedicated freelance mobile developer with a flair for crafting intuitive and high-performance apps that seamlessly merge cutting-edge technology with exceptional user experiences. With a strong background in React Native, Solidity, Redis and more, I thrive on translating ideas into polished mobile solutions that leave a lasting impact.

Freelance Blockchain Developer - Ekim Unal
Freelance Blockchain Developer5.0 (38 reviews)

Wordpress/Shopify Specialist, IT Consultant, PHP, ASP.NET, C#, Xamarin, Smart Contract/Solidity Developer, Computer Engineer, Crypto Miner/Enthusiast

Freelance Blockchain Developer - Richard McSharry
Freelance Blockchain Developer5.0 (10 reviews)

I am an internationally experienced CTO, Systems Architect, Leader and Full Stack Software Engineer with 40 years experience in hands-on coding and building systems, teams and processes that scale. For the past 7 years I have been running my own Fractional CTO agency, and am now looking for permanent work. Recent projects/companies: 2025 Interim CTO at www.orynth.dev an AI website builder, Athens 2025 Interim CTO at www.legalutopia.co.uk (bankrupt Oct 25), London 2024-25 CTO at Cherny Enterprises Ltd - stealth Ai startup, Miami/London 2023-24 Frontend Lead at www.dicer.ai, AI/MarTech startup, NYC 2022-23 Interim CTO at www.scrolller.com, a social media startup with 10 million MAUs, NYC 2019-22 Staff Developer at www.triplepointliquidity.com a blockchain startup in Private Equity - NYC, 2018-19 Interim CTO at a blockchain startup (a pro-bono role), Zurich 2019 Staff Developer at www.winnr.gg, eCom startup, Paris [http://www.richardmcsharry.com](http://www.richardmcsharry.com/)

Freelance Blockchain Developer - Riya Bhandekar
Freelance Blockchain Developer

Dedicated professional with demonstrated strengths in Software Design, Architecture and independently working on all phases of software development. Good at troubleshooting problems and building successful solutions. Usually spend 80-90% of time on hands-on coding work. Excellent at developing proof-of-concepts and learning new technologies. Dependable employee seeking opportunity to expand skills and contribute to company success. Considered hardworking, ethical and detail-oriented. Passionate and skilled blockchain developer with a strong focus on **Ethereum blockchain and smart contract design, development, and integration with front-end Web3 applications**. Proficient in Java, JavaScript, Solidity, and various development tools such as Hardhat, Mocha, Remix IDE, Visual Studio IDE, Truffle, Ganache, and MetaMask, with a proven track record of debugging and resolving complex code errors. Hands-on experience in front-end Web3 development using Node, ReactJS, NextJS, and Ethers.js/Web3.js. Worked on ERC Token development and various token protocols like **Token swapping using UNISWAP**, and handling token purchase and transfer. Independently developed a **web wallet, Crypto Keeper**, similar to the MetaMask wallet. Recently working on integrating the **WalletConnect protocol** into Crypto Keeper, so that we can pay with cryptocurrency from any DAPP. Hands-on completion of multiple Udemy courses across different areas of blockchain technology with a strong GitHub project portfolio. Proud holder of an **online professional certificate in Blockchain from the Indian Institute of Technology Kanpur, INDIA** (Online Blockchain Course \[2025\] - in collaboration with SimpliLearn). Developed multi-technology blockchain projects and capstone projects for this certification, including domains like Solidity smart contracts and Hyperledger Chaincode. Committed to advancing technological innovation and contributing to transformative solutions. Enthusiastic about utilizing technical expertise to elevate mission-driven projects and foster impactful advancements in blockchain technology. My profile [Riya Bhandekar | LinkedIn](https://www.linkedin.com/in/riya-bhandekar-5ba01956/)

Freelance Blockchain Developer - Augustine Francis
Freelance Blockchain Developer5.0 (40 reviews)

Hello there, I've completed **30+ jobs** and about **82+ sessions** ranging from website and web app development with React, Next.js, Python programming, and Threejs, to Artificial Intelligence, Blockchain, and Cybersecurity. I work in an agile environment and communicate my thoughts and work. I've also maintained a 5.0 Star Review throughout my time at Codementor.

Freelance Blockchain Developer - Amir Habibzadeh
Freelance Blockchain Developer5.0 (4 reviews)

Since 2009, I’ve actively immersed myself in the IT, programming, startup, and blockchain realms. My journey has been rich with diverse experiences, from entrepreneurship and startup involvement to collaborating with large corporations. Over the years, I’ve worn various hats—CTO, Developer, DevOps, and Scrum Master—working across a spectrum of languages and frameworks: Solidity, Hardhat, PHP, Laravel, JavaScript, Node.js, Vue, MySQL, MongoDB, Elasticsearch, and more. My passion lies in decentralization and blockchain technology. I firmly believe that programming transcends specific languages or expertise; adaptability is my forte.

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Frequently asked questions

How long do Blockchain projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Blockchain project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Blockchain request on Codementor, check out our article.

How much does it cost to hire a freelance Blockchain developer?

We don’t charge anything when you post a freelance hiring request for Blockchain developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor Blockchain developers different?

We do a comprehensive technical and communications screen of all Blockchain developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Blockchain developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your Blockchain project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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