I am a passionate and results-driven developer with a strong background in blockchain technology and a deep understanding of the cryptocurrency space. Over the years, I have honed my skills in creating decentralized applications, smart contracts, and innovative solutions tailored to the ever-evolvin
I'm a full-stack blockchain developer and Web3 product builder with over 5 years of experience delivering high-impact smart contracts and DApps. - Since 2018, I've been deep in crypto: building, trading, and understanding ecosystems. - I specialize in Solidity, TypeScript, Python, and C++, and have
I’m a passionate blockchain and web developer with over 8 years of experience turning complex ideas into secure, user-friendly products. I started out building simple websites, but my curiosity led me deep into smart contracts, DeFi protocols, and on-chain analysis. What makes me great is my balanc
Blockchain‐focused Engineering Leader with 15+ years’ experience building scalable, secure systems in fintech and cybersecurity. Led distributed teams of up to 25 engineers, successfully launched three blockchain products, launched high growth blockchain networks and secured $5 million in funding fo
I design and develop end-to-end Web3 products: wallets, marketplaces, dApps, trading algorithms, and crypto e-commerce platforms. My approach is fullstack — from frontend interfaces to smart contracts — with a strong focus on UX, security, and scalability. 💡 I often contribute to product vision: W
I bring over 4 years of experience building and scaling 0→1 products across DeFi (stablecoins), fintech (payments and lending) and B2B SaaS. A few highlights: 1. Headed new intitatives at SperaxDAO to build a defi exchange and staking solutions 2. Built yield optimiser to improve the yield on $USDs
React & TypeScript specialist, I build responsive, accessible interfaces and maintainable web applications. I deliver what you need: UI, logic, integrations, performance. Also learning Web3: Solidity, Foundry, wallet integration. I can help you bridge Web2 apps with blockchain tech. Career change fr
Self-educated in all aspects of crypto through independent research and hands-on experience. I entered crypto during the bear market of 2018. Survived endless market declines. Made profits in the 2021 bull run. Endured the Terra Luna crash and another bear market in 2022. Learned a ton along the way
I have three years of experience with cryptocurrencies and the past year I learned one of the most powerful strategies from an expert who learned this science from one of the whales. I will be happy for you to read my CV. 🧾 ----- ----- — CV Location: Tunisia 📧 Email: [] 📱 Telegram [@AS012E] 📅 D
I have a business and technical background giving me the best of both worlds. I have a thorough understand of economics and financial markets. I also know how to code and design amazing products. Have been in crypto since 2017 and have immersed myself fully into this industry. Have raised +$2 millio
Results-driven Senior Frontend Developer with 10+ years of experience delivering responsive, high-performance web applications. Proficient in React, Next.js, and Web3 technologies, with a strong track record of optimizing user interfaces and integrating complex smart contract functionalities. Adept
My name is ----- Vicente -----, and my journey into tech—and later into blockchain—has been anything but traditional. I began my career in web and mobile development, working at Qvik in Finland. Over five years, I climbed from junior web developer to senior mobile app developer, contributing to high
I'm a proud Student at @akademicryptocom and @dailyrekomcrypto, someone who doesn't just follow trends, but questions them. I believe real growth begins when we dare to think differently, challenge the status quo, and dig deeper than surface-level noise with especially in fast-moving fields like Art
I am an Oxford Certified Blockchain Expert, FinTech entrepreneur, CEO and Founder. Also, I have strong skills and background in Investment Banking along with being a member of ----- Institute https://www.cfainstitute.org/ and Chartered Institute for Securities and Investments (CISI) https://www.cisi
Blockchain Engineer with 5+ years of experience shipping web and mobile applications.I’ve led and contributed to products across marketplaces, DeFi protocols, and non-custodial wallets, focusing on finding the right blend of tech and domain knowledge to create memorable and polished experiences.
Ambitious Engineer with 2.5+ years of experience in DeFi, NFTs, and DAOs. Experience with designing and deploying contracts on EVM, and Flow. Passionate about network architecture (execution and consusses layer), DeFi, security, and education. SKILLS SET Programming Languages: C++, Solidity, Cadenc
Hello guys! 🙌 This is ----- from India. I’m a Full Stack Blockchain Developer with over 2 years of experience rocking the Web3 world! 🚀 I’ve worn many hats: Research Intern at a Hong Kong-based firm 🇭🇰 Technical Co-Founder at a Netherlands-based firm 🇳🇱 Full Stack Intern at a Singapore-based
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
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 full-stack web/blockchain/app developer, with a Bachelor of Engineering(IT) from PICT, Pune, India, 2024. I've 1.5 years of experience building solutions from zero to one with tech activities. I have the required full-stack developer experience from my previous work. Using my pro
I approached the crypto world in 2019 as a retail investor, and over the years I developed a solid knowledge of the blockchain and Web3 ecosystem. After some experiences in the traditional world, including a role as an administrative employee, in April 2023 I co-founded my first startup: 21BJ, a Web
I have 10 years of experience building full-stack web applications — from polished frontends to production-grade backends. 3 years hands-on with smart contracts, and web3 dev tools/frameworks. Highlights: 1. Exploited a key loophole in the OpenSea protocol to extract restricted sell order txn data.
I Have Been In Web3 Space Since 2020 And Continuously Building Web3 DApps Including DEX, NFT Marketplaces, Airdrop And WL Tools. I've Working With Solidity,Typescript, JavaScript, Web3.js, Next.js, Hardhat, React, Vite, Ethereum, Rust & Python In Web3 Development. I Am Also The Founder Of DarkNode
AvailableActive 2 days agoDar-es-salaam, TanzaniaGMT+3
I'm a blockchain engineer and a certified crypto currency expert with deep expertise in Solidity, DeFi protocols, smart contract security, and Web3 infrastructure. I’ve spent 6 years not just writing smart contracts but designing ecosystems from tokenomics to cross-chain interoperability to non-cust
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.