Doing Bitcoin software since 2013, Ethereum software since 2016, published a book on Solidity programming in 2018: https://www.amazon.com/Introduction-Blockchain-Ethereum-transactions-decentralized/dp/1789612713 I have participated in 5 crypto projects.
Contact: Telegram - https://t.me/Aleksandr_Beliasnik GitHub - https://github.com/------bitok Projects - https://github.com/------bitok/okbitok-arbitrage-bot I'm a Python developer and quant strategist specializing in delta-neutral arbitrage on Bybit and KuCoin. I’ve built and deployed real-time tra
Dear, I am writing to express my interest in joining your team. With over 2 years of hands-on experience in blockchain development as a freelancer, coupled with a Master’s degree in Modern Information Technologies from Singidunum University, I have built a strong foundation in decentralized systems,
Versatile Software Engineer with over 7 years of experience in full-stack development and blockchain technologies. Passionate about crafting real-world solutions using clean code, modern frameworks, and decentralized architecture.
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
With a solid foundation in the crypto space since 2017 and professional involvement from September 2021, my journey has been fueled by a passion for community management, social media strategy, and collaborative growth. This journey, beginning with curiosity, quickly transformed into a dedicated pro
I'm a data-driven Web3 Growth Lead and Marketing Consultant with over 12 years of experience in performance media and 5+ years in crypto and DeFi. I specialize in helping blockchain projects grow from stealth to scale — optimizing user funnels, building communities, and executing high-ROAS campaigns
Hello, my name is -----. I'm 20 years old and deeply passionate about smart contract development and security. I specialize in Solidity and Foundry, and I'm actively building my knowledge in blockchain security research, aiming to contribute to secure decentralized ecosystems. My goal is to help pr
Results-driven crypto trader with 7+ years of experience in the cryptocurrency market, focusing on high-frequency intraday strategies (scalping) across major crypto derivatives platforms. Proven ability to generate consistent returns, manage high-risk exposure under pressure, and apply advanced tech
I’m a Full Stack Blockchain & Web Developer with 4+ years of experience crafting smooth, scalable, and high-performance applications. My work blends clean UI/UX design with robust backend logic, optimized system performance, and secure, maintainable code. Based in Singapore and originally from China
I have co-authored the new protocol of Byzantine Reliable Broadcast, the results are published in this paper: https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.OPODIS.2024.31. I've been working on development of the consensus layer protocol based on pBFT in a startup Ditto. I have four year
I started with curiosity and a love for the internet. I didn’t have a plan—just a strong desire to learn and connect. I taught myself by staying online, reading, experimenting, and showing up every day. When I found crypto, it felt like the right place for me. It was open, fast, and full of people
Call me Geridos—I’ve been in crypto since 2012. Co-founder of MultiNFT with Max Hatchwell, we launched the first multi-game NFT in 2018, kickstarting the NFT-metaverse wave. As CEO, I built partnerships with Decentraland, Sandbox, Somnium Space, Bloktopia, and ReadyPlayerMe, plus countless others, w
I'm a Technical Writer with 10+ years of experiance. Writing is something I naturally dive into, whether it's creative or technical, I enjoy getting fully immersed. I have solid experience working on documentation for software development, SaaS platforms, APIs, and docs-as-code workflows. I’ve also
AvailableActive 1 day 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
• Directed multiple independent projects, including the development of an exchange and a white-labeled NFT marketplace. • Reached millions of dollars in revenue driving Master Ventures' DeFi staking Launchpads, enabling staking to fund new projects in the blockchain space. • Owned strategic product
I'm a versatile Full Stack Engineer with over 15 years of experience bridging the worlds of Web2 and Web3. With a strong foundation in modern web technologies and architecture, I bring deep frontend expertise and full stack capabilities to both traditional and decentralized applications. In the Web
Hello. I am -----, game developer behind Apochess and Armygrid. These are my private projects on which i work during my spare time. I work as a developer since 2015 with full stack development using ruby on rails, node.js, react, javascript. Usually i worked with casino game development, complex web
I’m a former corporate founder turned FinTech student, passionate about reshaping finance through blockchain, DeFi, and data-driven innovation. After 11 years running a successful corporate event hire business, where I mastered strategic planning, risk management, and customer-focused problem solvin
I am passionate about the world of technology, innovation and business. Currently, after Full Stack development, I am taking the step into the world of Blockchain/Web3 development. I consider myself a person who is always up to date with the latest trends in technology to never be left behind. I wa
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
👋 Hi There! I am a Senior Application Support Specialist with a double major in Information Systems and Computer Science. I have accumulated 8 years of experience so far in the Application Support space and have worked in all sorts of industries and companies. I have worked and supported companies
been a marketeer for 22 years three of which are in crypto. bought my first btc in 2012 an sold it for a substantial profit (so i thought). have been heading all non tech operations at dojima foundation since 2021 and its been super.
Hey There👋! I've been developing on blockchains since 2017, starting on Ethereum. I've built on almost all other EVM chains now. I don't just make the smart contracts; I build the entire project for you. Tokenomics to development. From strategies to marketing. From raising funds to creating partner
Web3 Strategist | Crypto Trader | Community Builder Active in crypto & Web3 since early 2019, with deep experience in trading, market analysis, and researching high-potential projects across DeFi, DeSci, and Web3. Former Web3 CTO, involved in multiple projects from the ground up Built and managed
I come from a background in procurement where I’ve managed sourcing, compliance & supplier relationships for government and aerospace programs. I hold both a bachelor’s and a master’s degree in supply chain management, which taught me how to think systematically, negotiate under pressure & handle co
Showing 30 Solidity Developers profiles out of 4,925+ 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.