4,427+ Solidity Developers for Hire in India, Singapore, Relocating to Europe, Canada and Viborg, Denmark. Hourly rates ranging from $0/hr to $0/hr. Browse and contact them below. Questions? Read the FAQ below.
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
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
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 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.
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
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
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
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
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
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
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
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
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
As a seasoned blockchain backend developer, I am currently seeking a role that allows to enhance my skill. - Blockchain Architecture - Smart Contracts ( Solidity, Rust, Vyper, and Move ) - Token Standards - Layer 2 Solutions - Cross-Chain Bridges - Languages: JavaScript / TypeScript ( Node.js ), Pyt
Full-stack enthusiastic web3 BUIDLer . I have over $20,000 in hackathon prizes in just the last 6 months. Have built 4 functional MVPs. Smart Wallet - DeFi platform using AAVE https://wallet.sh Astar Creators - NFT Marketplace on Polkadot Network https://astarcreators.com deOracle - P2P decentraliz
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
Backend Blockchain Software Engineer with expertise in microservice architecture, API design, and smart contract development. Experienced in creating secure, scalable solutions and optimizing performance within a microservices framework. Always up for a challenge, adhering to best practices in block
Experienced professional in software development projects, DevOps, servers, networking, cryptocurrency, sales, support and marketing. Problem solver and proactive leader. Constantly learning new technologies and work methodologies. Has in-depth knowledge of the best technologies for businesses and
I am a blockchain developer with 4 years of experience, specializing in the development of enterprise-level cross-chain applications, smart contracts, and backend services. I have a strong focus on blockchain integration, security audits, and decentralized protocols. Skills: Technologies: Blockcha
We are currently developing both Casino and DEX platform. It's fully remote position and you will work as a contractor. Hourly rate: $100~120/usd. Timeline: 8 months. If you are experienced in Blockchain development and web3, don't hesitate to contact me. Part-time role is also available. Thank
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 seasoned Blockchain Specialist with deep expertise in Cryptocurrencies, NFTs, and Web3 technologies with 7+ Years of Experience. My extensive knowledge spans Smart Contracts and Decentralized Applications, allowing me to navigate and innovate within the rapidly evolving Blockchain landscape.
Showing 30 Solidity Developers profiles out of 4,427+ 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.