4,429+ Solidity Developers for Hire in colombia, Tlemcen,Algeria, Tunisia, tunis, Viborg, Denmark and Lviv, Ukraine. Hourly rates ranging from $0/hr to $0/hr. Browse and contact them below. Questions? Read the FAQ below.
Hello! Im a systems engineer with a deep passion for building and scaling innovative technologies, particularly in the blockchain space. Over the years, Ive helped numerous startups and fintechs grow, guiding them from idea to product launch. Whether its building robust smart contracts or creating
Hello, I'm ----- -----, a young freelance Blockchain Developer looking for new projects. For more information about my skills, please check out my portfolio.
I am a highly skilled blockchain engineer and software developer with over six years of experience, specializing in Solidity, smart contract development, and backend technologies. With a strong technical foundation in Node.js, Express, TypeScript, and blockchain frameworks, I have successfully led a
I am a Senior Software Engineer with over 8 years of experience in developing, leading, and delivering complex software projects across a variety of industries, including FinTech, social platforms, telecommunications, public safety, and music. I have a strong foundation in both front-end and back-en
A critical and forward thinking blockchain engineer with over 6 years of experience in DeFi, NFT marketplace development and supply chain management through full-stack development, web3 integration and smart contract development. Not just a developer, but a critical and forward-thinking engineer for
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
Dedicated and results-driven Senior Software Developer with 18 of experience in designing, implementing, and maintaining scalable software solutions. Seeking opportunities to contribute technical expertise to a dynamic software development team
Hello, I'm -----. A psychology, criminology, and computer science student with vast experience in the Blockchain and internet startup businesses. I'm a passionate writer, musician, and filmmaker. I complement work with volunteering - I currently collaborate with several humanitarian causes including
I am a blockchain developer with more than three years of experience in Solidity for the Ethereum Blockchain. I 2018, I successfully completed a certification as an Ethereum Developer granted by the b9Lab company. I have advance knowledge of several blockchain topics and tools such as: Web3, Truffle
I am a **Software Engineer** with over **10 years** of experience specializing in **React.js**, **Next.js**, and **Nest.js**. I’ve worked for both **big corporations** and **fast startups**, and I’m passionate about building innovative products with **clean, well-documented**, and **performant** cod
My Story Driven by a deep-seated passion for blockchain technology and Web 3.0, I have dedicated my career to advancing decentralized systems and fostering innovation in the blockchain space. My journey began with a solid educational foundation, earning a Master’s in Cross-Cultural Marketing & Negot
Full Stack developer with experience in building web applications and a strong interest in Web3 development. With a solid foundation in programming and software development, I’m skilled in Solidity, JavaScript, C#, TypeScript, .NET Core, NodeJS, Angular, React, and others. Critical thinking, autonom
With a background in e-commerce since 2017, I'm now enthusiastic about transitioning my expertise to web3. Tried to work with solidity, and experienced in developing a P2P crypto exchange with automated withdrawal. Have got practice to make game for P2E in Pygame and Phaser.
I have been working as a full stack developer for 8 years and spent most of the time on web development. Since 5 years ago, I started looking into Blockchain and Cryptocurrencies and have worked on multiple Defi projects and NFT marketplace development using Solidity, Web3.js, React, etc.
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'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
Computer Science student at CEFET/RJ (expected graduation: June 2026) with hands-on experience in blockchain development, full-stack engineering, and software design. During my internship at IBM, I contributed to building and optimizing systems using Hyperledger Fabric, Angular, and IBM Cloud, focus
My curiosity and a never-ending anxiety to keep learning has helped me scale my knowledge and build connections in the industry. I'm -----, a web3 professional with diverse skillset and experience. My Analytical thinking and understanding of DeFi has been crucial to land me on my roles and freelance
Software engineer with extensive experience in the JavaScript ecosystem, specializing in developing and maintaining web applications using modern frameworks such as React.js and Node.js. Proficient in TypeScript, Python and PHP, with intermediate expertise in Rust and Go. Passionate about contributi
My journey in data and blockchain combines expertise, passion, and resilience, forged from years of meticulous analysis and a deep-rooted interest in Web3's transformative potential. With a foundation in industrial engineering and a decade as a Senior Data Analyst, I bring strong analytical skills h
Resourceful blockchain engineer with over 5 years of experience in software engineering. Proficient in Rust, Golang, C++, JavaScript, and Python with deep expertise in smart contracts, consensus algorithms, cryptography, and data structures. Seeking a challenging position to apply my skills and expe
In my current role at KAPX, I have developed decentralised applications like Dansr, FarmTrack and Payonnaise, working extensively on both frontend and backend to deliver scalable and efficient solutions. I can build scalable apps end to end, managing frontend, backend, infra and deployment. I am cu
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 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
With over 7 years of experience in the industry, I have a proven track record of successfully completing complex software projects across various domains, including web, blockchain, and more. I have worked with a diverse range of clients, from startups to large enterprises, and have a deep understan
As a dedicated and experienced Full-stack Engineer with over 10 years of expertise, including 5 years as a tech lead, I am proficient in web, mobile & blockchain application development. Holding a degree BSc Computer Science, I continuously expand my knowledge to stay updated with the latest technol
A results oriented young man who puts excellence at the forefront of every task assigned and is taken to detail and accuracy. With a very high level of efficiency and reliability there is a profound sense or desire to deliver and help others develop themselves in a manner so as to be able to achieve
Showing 30 Solidity Developers profiles out of 4,429+ 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.