4,484+ Solidity Developers for Hire in San Jose, California, Germany, Athens, Greece, Suisse and Netherlands. Hourly rates ranging from $0/hr to $0/hr. Browse and contact them below. Questions? Read the FAQ below.
I have 13 years of experience as a developer which includes 4 years’ experience as a blockchain developer. I have proven experience in dealing with Smart Contracts in Solidity and Rust. I have implemented cross-chain communication protocols and ZK-proofs. I have good experience in Liquid Staking, Li
My journey began with a strong passion for computer science, which led me to earn my degree at the Technical University of Munich. Over the past seven years, I’ve specialized as a Blockchain and Full Stack Developer, building secure and scalable decentralized applications. Working on platforms like
### Senior Frontend Engineer | DeFi Developer Senior Frontend Engineer specializing in DeFi protocols and decentralized applications. Expert in building high-performance trading interfaces and complex Web3 systems, with deep experience in perpetual futures markets and Cosmos-based protocols. Proven
After 8 years working in export, I completely changed my career for Web Development. I worked in a startup in Geneva perfecting my skill in Node and React. I am now working in Code4rena mostly on TS, React, Gatsby. I am super curious, fast learner, driven, self-taught and passionate about code, bl
Hello everyone! I've been involved in the crypto space for the last 6 years. I started working in crypto 4 years ago for different top crypto companies such as Bitget, Mina Protocol, CoinEx ect in roles such as: • Head of Community • Marketing Manager • Chief Operations Officer • Head of Busine
I am ----- -----, a seasoned professional with a Ph.D. in Systems Science, specializing in blockchain and Web3 technologies. Over the years, I’ve honed my expertise in Solidity, Rust, DeFi protocols, and DAO governance, coupled with a robust foundation in programming languages such as Python, C++, a
Smart contract engineer with 3 years of experience. I enjoy working with Solidity, because to write a high quality contract I am thinking like an attacker. For me this is like a game, where only 1 winner, you or hacker. This helps me to build a secure and scalable decentralized solutions on Ethereum
Hello, I'm ----- -----, a young freelance Blockchain Developer looking for new projects. For more information about my skills, please check out my portfolio.
I started my crypto journey to help my family financially, I paid for my entire college fees from crypto profits only. I got attracted towards blockchain and hence decided to make my career in it. I have been working as a blockchain developer for over 2 years and currently pursuing MBA in blockchain
I bring over 14 years of extensive software development experience, with a focus on delivering innovative solutions in blockchain and software engineering. My career is marked by leadership in building and scaling high-performing teams, driving operational efficiency, and consistently delivering hig
I work on building and optimizing web apps, mostly using JavaScript frameworks like React, Next.js, Vue, and Angular. On the backend, I’m pretty comfortable with Node.js, Express, Python, Django, and Laravel. Back in 2019, I got really interested in blockchain and thought, “why not teach myself?” S
I create and modify existing blockchain solutions using modern technologies in various fields of economy: Financial systems, GameFi including Metaverse, Intellectual property rights like NFT, Crypto trading systems, Gambling, Distributed data storage technologies, Entertainment applications, Social
I have been working in web and mobile development over 8 years and 6 years of blockchain and web3. I have built several remarkable Defi app like NFT marketplace, Dex platform, Trading and lending platform, live crypto casino game.
Ever since I was little, I enjoyed playing video games and as I grew older my hobbies and interests shifted towards making a living for myself, which led me to discovering cryptocurrency; now I'm able to create both on my own. Although my journey with software development didn't follow the traditio
Hello! I'm ----- -----, a frontend developer with a B.Tech in Electronics and Telecommunication Engineering from IIIT Bhubaneswar. I specialize in creating dynamic and user-friendly web applications using a diverse range of technologies. Frontend Development Expertise: -Languages: JavaScript, Type
Full Stack Developer with 8+ years of experience in designing, developing, and maintaining web applications. Proficient in front-end and back-end development, with expertise in programming design, development, and implementation using a range of technologies and programming languages. Collaborative
I'm a Computer Science graduate from Bandung Institute of Technology with a strong background in Software Engineering. Currently, I am deeply interested in the field of Web3. I have a keen interest in finance and economics. I have been actively investing in the Indonesian stock market since 2020. Re
I have 6+ years of experience in web and mobile application development. With hands-on experience using JavaScript, ReactJS, Hooks, Redux, React Native, NodeJS, HTML5, CSS3 to create and implement Web and Mobile applications, I am confident I will be an asset to your team. I enjoy being challenged a
I’ve been developing and architecting software solutions for over 10 years, specializing in Java technologies and distributed systems. Throughout my career, I’ve successfully led teams to design and implement high-load systems, achieving significant performance improvements and operational efficienc
Hi, I'm Iván Bermejo Catalán, from Barcelona. Nice to meet you. I’m a Marketer { Mostly Digital} with excellent organizational skills and a good Knowledge of Blockchain - Cryptocurrencies & NFTs. Prio Marketer and social Media Geek. Prior Construction Company Manager. As a Cryptocurrency Analist I
I'm a software engineer based in Bangkok, with 9 years of Android and Kotlin experience. I know mobile app and library development and am interested in blockchain technologies. I have recently released a Terra DEX aggregator and Solidity NFT project. My CV: https://tonisives.notion.site/Resume-edff
An Engineer, a certififed Blockchain Deveoper, who has worked on 8 projects and believes that Blockchain can be as or more revolutionary than internet and is keen to work on it
Versatile and motivated Frontend Developer with 4+ years of experience delivering high-performance, user-focused web applications. Specialized in Web3 technologies and building scalable, secure blockchain-based solutions. Proven ability to work independently and collaboratively, with expertise in mo
Talented Android Developer with over 7 years of software development experience in a broad range of industries, including sports entertainment, restaurant management, and banking. Solid understanding of full mobile and software development life cycles, UIX, mobile analytics, changing mobile standard
I am a generalist in the blockchain space. I can do Web3, backend, infrastructure, architecture design, implementation, lead the team, and do security audits. Experience: I have been in the crypto space since 2016. I led many blockchain projects from the ground up in the early days, even without a
8+ years experience in Front-end development ( web , mobile , TV apps ) - React , TypeScript, NextJS , Styled component , Git , Jira 4+ years in IT management 3+ years in WEB3 products Very passionate in crypto - has own small VC
Hello there! :) My story is quite simple, I'm a problem solver and creator by nature, who happend to fell in love with the crypto world. As a BIT and MBA graduate I'm well enough versed in the IT and finance world to find myself fitting in such a crossing not only technology-wise. My overall expe
Showing 30 Solidity Developers profiles out of 4,484+ Subscribe to Talent List to access them all.
When hiring a Solidity Developer, it's important to consider the following steps:
Define the project requirements and scope: Clarify what the project entails, what skills are required, and what the timeline is.
Look for experienced candidates: Look for candidates who have a strong portfolio and relevant experience.
Assess technical skills: Assess the candidate's coding ability and experience with Solidity and related technologies.
Test their problem-solving skills: Test the candidate's problem-solving skills by giving them a coding challenge or asking them to walk through their approach to a past project.
Evaluate communication skills: Ensure that the candidate can clearly and effectively communicate their ideas, both verbally and in writing.
Check references: Ask for references and follow up with previous employers or clients to get a better understanding of the candidate's experience and abilities.
Offer a fair compensation package: Offer a competitive compensation package that reflects the candidate's experience, market rate, and the value they will bring to your organization.
Provide a positive work environment: Offer a supportive and inclusive work environment to retain the best talent and foster their growth.
What are some Solidity Interview Questions?
Here are some potential interview questions for a Solidity developer:
What inspired you to start coding in Solidity, and what have been your most significant achievements in it so far?
Can you walk me through a recent project you worked on using Solidity?
Can you explain how Solidity handles inheritance, and how it differs from classical inheritance in other programming languages?
Can you discuss the various data types used in Solidity and how they are used?
Can you explain how the Solidity compiler optimizes the bytecode generated for a smart contract?
Can you explain the difference between a contract deployment and a contract call in Solidity?
Can you discuss some of the most common security issues that arise when coding smart contracts, and what techniques can be used to mitigate them?
Can you explain how the Solidity language handles errors and exceptions, and what techniques can be used to debug a smart contract?
Have you used any libraries or frameworks for developing smart contracts, and if so, which ones and why?
What is IMX?
How would you get a random number in Solidity?
Is Solana EVM compatible?
What EVM compatible chains do you know?
What is Solidity and why do I need to hire a Solidity Developer?
Solidity is a high-level programming language that is used to write smart contracts for the Ethereum blockchain. Smart contracts are self-executing contracts with the terms of the agreement between buyer and seller being directly written into lines of code. The code and the agreements are stored on the Ethereum blockchain, which is a decentralized, immutable ledger that is maintained by a network of nodes.
Hiring a Solidity Developer is crucial for businesses looking to develop decentralized applications (dapps) on the Ethereum blockchain, as well as for those looking to implement decentralized financial (DeFi) solutions. A Solidity Developer is responsible for writing, testing, and deploying smart contracts on the Ethereum network, and must have a strong understanding of the Ethereum Virtual Machine (EVM), its security considerations, and best practices for smart contract development. With the growing demand for decentralized solutions and the increasing popularity of the Ethereum blockchain, hiring a Solidity Developer can help organizations tap into new opportunities and stay ahead of the curve in this rapidly evolving industry.
What are the risks of hiring a wrong or bad Solidity Developer?
Hiring the wrong Solidity Developer can pose significant risks to your project, especially if it is built on the blockchain. A few risks include:
Security vulnerabilities: Poorly written smart contracts can result in security vulnerabilities, which can compromise the integrity of your project.
Performance issues: A bad Solidity developer might not write efficient code, resulting in performance issues and longer confirmation times.
Time and cost overruns: Hiring a bad Solidity developer can result in longer development time and cost overruns, as the developer might need to go back and redo significant portions of the code.
Lack of expertise: A lack of expertise can result in incorrect implementation of complex features, leading to functionality problems that are difficult to fix.
Unforeseen errors: Unforeseen errors can occur if the code is not properly tested and validated, which can cause significant harm to your project and reputation.
Therefore, it is crucial to thoroughly vet and hire a skilled, experienced, and reputable Solidity developer who can deliver high-quality code that meets your requirements.
How much does it cost to hire a Solidity Developer? What's a typical Solidity Developer Salary?
The cost of hiring a Solidity developer varies depending on several factors, such as location, experience, and skill level. Generally, salaries for Solidity developers can range from $50,000 to $200,000 per year, or more for senior and highly experienced developers. The cost of hiring a Solidity developer may also include benefits, bonuses, and other compensation packages. The exact salary range for a Solidity developer will depend on several factors, including the size of the company, the location, the level of experience, and the specific skills and qualifications the developer brings to the table. It's also important to note that, because the cryptocurrency and blockchain industries are rapidly growing, demand for Solidity developers is high, which can drive up salaries.