4,446+ Solidity Developers for Hire in Matsue, Shimane, Japan, Canada, Germany, colombia and Fort Worth, TX, USA. Hourly rates ranging from $0/hr to $0/hr. Browse and contact them below. Questions? Read the FAQ below.
Dynamic and detail-oriented developer with a strong focus on crafting intuitive user interfaces and seamless blockchain integrations. Experienced in building decentralized applications and SPL token trading systems, particularly on the Solana blockchain. Proficient in Golang, JavaScript, and modern
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.
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
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
I’m Nina Suico, a dedicated professional with over six years of experience in client services, sales support, and business development across the cryptocurrency, cybersecurity, IT, and BPO sectors. My background as a crypto trading analyst and OTC trader has given me a strong understanding of market
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 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 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 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
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
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’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 have 10+ years experience in digital marketing, and I am a social media influencer. I own several crypto and alt-coins. I started studying to be a Solidity Developer, and I want to later graduate as a software engineer.
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
Gosto de programar. .resolver problemas e desafios Profissional com certificações e especialização #Engenheiro de software #PRÉ-MBA finanças #PRÉ-MBA análise de dados #PRE-MBA coounting #MASTER- scrum certificado #TÉCNICO- Aws amazon #Formação fullstack #Formação em programação #Formação em brockcha
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
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
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
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
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 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
Hello, I'm ----- -----, a young freelance Blockchain Developer looking for new projects. For more information about my skills, please check out my portfolio.
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
AvailableActive over a week agoPoland, WarsawGMT+2
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
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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.