
Hire the Top 3% of Solidity Developers in 48 Hours
Toptal is a marketplace for top Solidity developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal Solidity freelancers for their mission-critical software projects.
The Toptal developer was instrumental in building the prototype and helped accelerate our time to raise funds by several weeks.
Vinod Kumar Ramachandran, Co-founder & CEO, Big Sur AI
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Meet Solidity Developers in Our Exclusive Network
Featured Talent

John McLaughlin
Solidity Developer
John is a full-stack blockchain developer with 10+ years' experience, deploying 150+ Solidity smart contracts (ERC-20/721/1155) across Ethereum, Polygon, Arbitrum, and zkSync. He brings deep Solana and Rust expertise (tokens, staking, DEX integrations) and builds multi-exchange trading platforms with real-time pipelines. John also builds AI into apps and connects it to live tools and data so it can act on its own.

Denis Baturin
Solidity Developer
Denis is a blockchain analyst and a Solidity and Android developer. He has been in charge of everything blockchain-related in a hardware wallet company for over two years. He has integrated 10+ blockchains for a hardware wallet Android app in Kotlin and Java and developed a self-sovereign identity (SSI) POC app. Denis is experienced with smart contracts and NFTs and has a solid background as a system administrator and tech support.

Kaustav Chakraborty
Solidity 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.

Daniel Trinh
Solidity Developer
Daniel is a lead Solidity developer with five years of experience in development and four years in Blockchain. He specializes in EVM protocols, decentralized finance, and NFTs. He's built several products in this space, including a Crowdfunding Protocol, a 200MM Stablecoin Protocol, an automated on-chain trading engine, and several NFT apps on Ethereum. Daniel is constantly learning about new projects, best practices, and design patterns in the EVM and blockchain protocol space.

Nicolas Debaene
Solidity Developer
With a master of science degree in engineering and a specialization in data science from Telecom ParisTech, Nicolas has been solving concrete business cases for five years using machine learning and data mining. His experience in the eCommerce, banking, and consulting sectors gives him a very strong technology portfolio and a deep understanding of different business types.

Abhi Panchal
Solidity Developer
Abhi is a generative AI engineer with 6+ years of experience building production-grade agentic systems. He specializes in LLMs, RAG, multi-agent orchestration, and autonomous AI workflows using LangChain and Google ADK. Abhi designs systems with robust guardrails, LLM evaluation, and end-to-end observability — covering tracing, monitoring, and human-in-the-loop review. He deploys scalable, low-latency AI pipelines on AWS and GCP, delivering reliable, enterprise-ready solutions.

Dee Acharjya
Solidity 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.

Robert Pardela
Solidity Developer
Robert is an entrepreneur, IT manager, and developer specializing in blockchain. He has spearheaded dozens of large-scale projects, teams of over 40, and a budget of $30 million to deliver nationwide systems. Blockchain inspired him and changed the way he looked at IT systems. Robert is known for his innovation and strong ability to take a project from idea to successful implementation. He enjoys creating IoT solutions on Raspberry Pi and Arduino as a hobby.

Mohammadi Gheis
Solidity Developer
Gheis is a blockchain expert and developer with experience in C++, C#, JavaScript, Go, Node.js, and MQL4/5. He excels in developing blockchain services, cross-platform software, artificial intelligence, trading bots, auto trade algorithms, and DApps while delivering top-notch user-friendly solutions. As a leader of the back-end, blockchain, and DevOps teams of 10+ developers, Gheis has been involved in many high-tech projects solving complex systems and identifying improvement opportunities.

Sven Meyer
Solidity Developer
Sven has 20+ years of experience working on the most advanced and innovative technologies: IoT, data science, machine learning AI, and distributed systems. Since 2017 he has mainly focused on blockchain technology, working as a CTO and advisor, leading the technology and product definition. Sven developed smart contracts for blockchain-based decentralized finance platforms, token launch platforms, and real-world assets (RWA) tokenization with fractional ownership, securing over $100 million.

Giorgi Lagidze
Solidity Developer
Giorgi has over eight years of experience developing applications with Vue and React on the front end, and Laravel and Node.js on the back end. Over the past five years, he has specialized in blockchain and DeFi development using Solidity, with a strong focus on cross-chain solutions in the past years. Giorgi is known for exceptional communication, top-quality delivery, and creating one of the best Solidity frameworks for launching DAOs.

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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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