Solidity

Hire the Top 3% of Freelance Solidity Developers

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.

No-Risk Trial, Pay Only If Satisfied.

Clients rate Toptal Solidity developers 4.9 / 5 on average based on 1,166 reviews.

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Hire Freelance Solidity Developers and Engineers

Denis Baturin

Freelance Solidity Developer
Georgia
Toptal Member Since May 19, 2021

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.

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Daniel Trinh

Freelance Solidity Developer
United States
Toptal Member Since March 24, 2022

I am a lead Solidity developer with five years of experience in development and four in Blockchain. I specialize in EVM protocols, decentralized finance, and NFTs. I have built several products within the space, such as a Crowdfunding Protocol, a 200MM Stablecoin Protocol, an automated on-chain trading engine, and several NFT apps on Ethereum. I am constantly learning about new projects, best practices, and design patterns in the EVM and blockchain protocol space.

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Julian Cislo

Freelance Solidity Developer
Canada
Toptal Member Since October 6, 2022

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.

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Belma Gutlic

Freelance Solidity Developer
Croatia
Toptal Member Since April 24, 2019

Belma has a master's degree in software engineering and has been a full-stack developer since 2015. As a big crypto enthusiast, she decided to fully focus on blockchain development. She already has big experience with dApps creation where most of them were built using Ethereum (public or private network). Belma is a great team player and takes time understanding projects and delivering them in the best way.

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Fabio Pacchioni

Freelance Solidity Developer
Italy
Toptal Member Since April 29, 2022

Fabio is a software developer who has been specializing in Solidity for almost five years now. With a background in electronic engineering and a passion for software, he has worked his entire life in automation, blockchain, and finance software. He held developer, blockchain engineer, and CTO roles in different projects with worldwide clients. Fabio is a highly committed professional with a proactive attitude in designing software architecture and solutions.

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Antonio Guilherme Ferreira Viggiano

Freelance Solidity Developer
Brazil
Toptal Member Since March 27, 2018

Antonio has been working as a developer and technology leader for the past ten years in multiple roles, from senior software engineer to tech lead to CTO. His primary skills are React/Node.js, TypeScript, AWS, and Blockchain (Solidity, Hardhat, Foundry). He is currently a co-founder and CTO at Falco, a web3 gaming publisher. He developed the first versions of the company's ERC20/ERC721, whitelisted sale, and marketplace smart contracts.

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Stefan Batalka

Freelance Solidity Developer
United Kingdom
Toptal Member Since October 11, 2022

Stefan is a distributed ledger technology expert with a background in financial applications and deploying algorithmic trading models on centralized exchanges. Since the advent of decentralized finance, his focus has shifted to on-chain trading and maximal extractable value (MEV), particularly in the Ethereum ecosystem. Stefan is comfortable with the Ethereum virtual machine (EVM) networking stack, including core protocol details, node codebases, Solidity, and smart contract development.

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Abhi Panchal

Freelance Solidity Developer
India
Toptal Member Since July 10, 2022

Abhi is a Solidity developer with 5+ years of experience. He is an expert in advanced blockchain projects, including ERC-20/ERC-721 tokenomics, DAO frameworks, liquidity pools, staking, NFT platforms, ICOs, launchpads, and play-to-earn games. Proficient in Solidity, Python, and ML, Abhi actively contributes to the developer community and ensures meticulous and secure smart contract development. Trust Abhi as your partner for decentralized app success and stay ahead with cutting-edge solutions.

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Robert Pardela

Freelance Solidity Developer
Poland
Toptal Member Since October 7, 2022

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.

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Joseph Saw

Freelance Solidity Developer
Malaysia
Toptal Member Since August 30, 2022

Joseph is an experienced full-stack developer who has worked on various projects, including crypto payment solutions and decentralized yield tokenization and trading. In his spare time, he occasionally works on arbitrage bots and most recently created YouTube videos to provide education on smart contracts and solidity.

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Serkan Kaplan

Freelance Solidity Developer
Germany
Toptal Member Since March 4, 2021

Serkan is a seasoned software engineer with 17 years of experience in consultancy and in-house development. For the last three years, he's been helping clients develop and improve their products all around the world. Previously, Serkan worked as a consultant for different companies and projects. As a software consultant, he led development teams of up to ten developers and worked on fintech, employee relations, learning management, and eCommerce applications.

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Toptal's screening and matching process ensures exceptional talent are matched to your precise needs.

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Testimonials
Tripcents wouldn't exist without Toptal. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, and senior designer. In just over 60 days we went from concept to Alpha. The speed, knowledge, expertise, and flexibility is second to none. The Toptal team were as part of tripcents as any in-house team member of tripcents. They contributed and took ownership of the development just like everyone else. We will continue to use Toptal. As a startup, they are our secret weapon.

Brantley Pace

CEO & Co-Founder

I am more than pleased with our experience with Toptal. The professional I got to work with was on the phone with me within a couple of hours. I knew after discussing my project with him that he was the candidate I wanted. I hired him immediately and he wasted no time in getting to my project, even going the extra mile by adding some great design elements that enhanced our overall look.

Paul Fenley

Director

The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.

Ryan Rockefeller

CEO

Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision, and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.

Jason Kulik

Co-Founder

As a small company with limited resources we can't afford to make expensive mistakes. Toptal provided us with an experienced programmer who was able to hit the ground running and begin contributing immediately. It has been a great experience and one we'd repeat again in a heartbeat.

Stuart Pocknee

Principal

How to Hire Solidity Developers Through Toptal

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work with you to understand your goals, technical needs, and team dynamics.
2

Work With Hand-Selected Talent

Within days, we'll introduce you to the right Solidity developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new Solidity developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

Find Experts With Related Skills

Access a vast pool of skilled developers in our talent network and hire the top 3% within just 48 hours.

FAQs

  • How quickly can you hire with Toptal?

    Typically, you can hire a Solidity developer with Toptal in about 48 hours. For larger teams of talent or Managed Delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.

    Once you select your Solidity developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

  • How do I hire a Solidity developer?

    To hire the right Solidity developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect Solidity developers for your project.

  • How are Toptal Solidity developers different?

    At Toptal, we thoroughly screen our Solidity developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.

    In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.

    When you hire with Toptal, you’ll always work with world-class, custom-matched Solidity developers ready to help you achieve your goals.

  • Can you hire Solidity developers on an hourly basis or for project-based tasks?

    You can hire Solidity developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire an expert for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our Solidity developers can fully integrate into your existing team for a seamless working experience.

  • What is the no-risk trial period for Toptal Solidity developers?

    We make sure that each engagement between you and your Solidity developer begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, we’ll bill you for the time and continue the engagement for as long as you’d like. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, or we can provide you with another expert who may be a better fit and with whom we will begin a second, no-risk trial.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.

  • The Right Fit

    The Right Fit

    We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.

  • Scale as Needed

    Scale as Needed

    Hire talent within 48 hours and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Top Solidity Developers Are in High Demand.

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