4,405+ Solidity Developers for Hire in Suisse, Salon-de-Provence, FRANCE, Uttarakhand, India, India and Bangkok. Hourly rates ranging from $0/hr to $0/hr. Browse and contact them below. Questions? Read the FAQ below.
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
Since the start of my career in the French Navy, then in shipping and right up to today as an entrepreneur, one guiding principle has always guided me: openness, renewal, new ideas, curiosity... Over the years, I've acquired a wealth of experience in business management, sales and customer support,
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
Full Stack Web3 Developer with 10+ years of professional experience. In addition to the countless languages, frameworks, and platforms that I've used in my career, I've also filled several roles from developer on a team, to senior developer, to team lead. My primary experience is with startups and
I am a passionate and highly motivated individual with a Bachelor's degree and a track record of success in the tech world. I had the incredible opportunity to showcase my innovative skills as a Runner Up in the prestigious Smart India Hackathon 2019, and also emerged as the Hackathon winner in my d
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
I am a skilled Blockchain | Golang | Full Stack Developer with extensive experience in working with Blockchain fundamentals, smart contracts, consensus algorithms, and various Blockchain protocols including DeFi, NFT, MLM, and DAPPs. My expertise includes Golang, AWS Lambda, API Gateway, Dynamodb, S
I’m a 23‐year‐old computer scientist in an MSc program focusing on distributed systems, computer networks, network security, and parallel com‐ puting. I am interested in Unix‐based operating systems and am an avid Linux user. I enjoy tailoring my system visually and functionally to cater to my needs
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 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.
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’ve been working as a frontend and backend developer for over seven years, with experience across healthcare, automation, and blockchain. In the last few years, I’ve really focused on Web3, building user-friendly apps and working with smart contracts. I enjoy tackling real-world challenges with tec
Senior software engineer and Software architect with over 15 years of experience, MSc in Computer Science, with rich experience in building complex platforms and performance engineering in various fields and roles (both technical and managerial). Participated in bootstrapping a couple of startups an
Blockchain consultant: development and training Activities The current services offered are: • development of decentralized applications or smart contracts on Ethereum; • development of decentralized applications or smart contracts on Polygon; • development of applications based on the MERN sta
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
I believe with a passion in Web3, advocate to "defend its promise" of being 'open, equitable, and fair' for everyone, and am a 'deep' generalist driven by work-ethic, profits, and technology. HOW: I help my clients and my team achieve measurable success through absolute customer focus; and excel at
### 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
For the past 4 years, I've been focused on the frontend and backend of Web3 space, building applications that bring the power of blockchain to life in a user-friendly way. I've worked on creating smooth, responsive interfaces and robust backends solutions. Now I'm excited to take on a role where I c
Early-stage AI researcher with a DeFi background as a Product Director and over 3 years in scaling Web3 projects from 0 to 1. Proven track record of driving growth and achieving milestones, now poised to leverage my skills and expertise to innovate within emerging technology sector.
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
AvailableActive 2 days agoFrutigen, SwitzerlandGMT+2
With a solid seven-year background in the crypto industry, my focus has shifted exclusively to NFTs and Web3 technologies over the past five years. I am deeply committed to nurturing the growth of vibrant communities. I possess a wealth of experience in effectively leading teams, providing unwaverin
Backend developer with experience in the crypto trading space, developing automated trading and backtesting systems, web3 integrations and developing smart contracts. My main working languages are Typescript, Solidity and a bit of Rust.
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
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
20+ years experience as a software engineering professional. Passionate about designing, coding & testing fast, user-friendly User Interfaces as part of dApps using Blockchain and Web3 technologies. Looking for a fully remote outside IR35 contract, I'm ready to interview and start immediately.
I am a reliable, passionate, and talented developer, who has a strong background and 5+ years of experience in Blockchain and Web technologies and a highly motivated self-driven developer, who holds a strong passion for exploring emerging technologies. I have played a key role in turning startup co
Showing 30 Solidity Developers profiles out of 4,405+ 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.