Hire the best Solidity Freelancers in Amsterdam, NL

Check out Solidity Freelancers in Amsterdam, NL with the skills you need for your next job.
  • $75 hourly
    I am Tim, a full stack developer with over 15 years of experience, specializing in building medium and large web applications. My expertise lies in leveraging a wide range of programming languages, frameworks, and tools to create dynamic and interactive applications that meet the unique requirements of each project. When I'm not coding, you can often find me exploring new technologies and attending tech conferences and meetups. I believe in the power of continuous learning and personal growth, and I actively seek out opportunities to expand my skill set and stay up to date with the latest industry trends. If you're looking for a skilled and dedicated Full Stack Developer who can deliver high-quality solutions tailored to your specific needs, I would be thrilled to discuss your project with you. Feel free to reach out to me, and let's start transforming your ideas into reality. Thank you for visiting my page, and I look forward to the opportunity of working together! My stack Frontend: Jinja2, React.js, Angular, Next.js Backend: Node.js, Express, Python, Django, Java, Flask Mobile: React Native CSS: Bootstrap, Material UI, jQuery, Semantic UI, Tailwind CSS Databases: mySQL, MongoDB, Firebase, SQLite, PostgreSQL Cloud: AWS, GCP Web3: Internet Computer Protocol (ICP), Solidity, Motoko Other tools: Docker, Git, Jira Data tools: Data scraping: Selenium, BeautifulSoup Data analytics: Google Colab, Matplotlib, Pandas, Plotly, Seaborn, IBM SPSS, Jupyter Data visualization: Tableau, D3
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    Web3
    PostgreSQL
    Angular
    Next.js
    React Native
    Web Development
    TypeScript
    MongoDB
    Node.js
    ExpressJS
    React
    SQL
    JavaScript
    Python
  • $30 hourly
    As a network expert, I am constantly staying up-to-date with the latest technologies and trends in the field. I am skilled in a wide range of new technologies and can help you implement them in your organization to improve efficiency and performance. Here are some of the new technologies I am proficient in: Cloud Computing: I have experience with cloud computing platforms such as Amazon Web Services (AWS) and Microsoft Azure. I can help you move your network infrastructure to the cloud, allowing for greater scalability, flexibility, and cost-effectiveness. Software-Defined Networking (SDN): I am skilled in SDN technologies such as OpenFlow and can help you implement them in your network. SDN allows for greater control and flexibility in network management, and can improve network performance and security. Virtualization: I have experience with virtualization technologies such as VMware and Hyper-V. I can help you implement virtualization in your network, allowing for greater efficiency and flexibility in resource management. Internet of Things (IoT): I am knowledgeable in IoT technologies and can help you implement them in your network. IoT devices can collect and transmit data in real-time, allowing for greater automation and efficiency in network management. Artificial Intelligence (AI): I have experience with AI technologies such as machine learning and can help you implement them in your network. AI can be used to analyze network data and optimize network performance, improving efficiency and reducing downtime. Overall, my proficiency in new technologies makes me an ideal candidate to help you in your needs
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Project Scheduling
    Critical Thinking Skills
    Leadership Skills
    Digital Project Management
    OS Security
    Web Development
    Windows Server
    Communications
    Computer Science
    Operating System
    Blockchain
    Project Management
    Routing
    Network Engineering
  • $35 hourly
    Interested in modern technology and loves learning. Ready to do great and lasting things. I'm fine with programming and security testing. also my MBTI type is INTJ.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Swift
    WebRTC
    Blockchain
    Microsoft SQL Server
    MongoDB
    Next.js
    Golang
    Vue.js
    React
    ASP.NET Core
    Microservice
    Rust
    Angular
    JavaScript
  • $40 hourly
    NFT GAME | NFT MARKETPLACE | NFT MINTING Much Experience in NFT | Game, Minting, Marketplace! So far I have developed 2 successful games and web sites using React, React Native, NodeJS, WebSocket, Web3.js, Ether, Ethereum, . I love building games and also be so passionate in developing games. Also my clients are satisfied with my work result - I always try to have creative idea. Let's collaborate to build the successful products for the world.
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    React Native
    NFT Minting
    Ethereum
    NFT Marketplace
    Solana
    Gaming NFT
    NodeJS Framework
    Ether
    web3.js
    NestJS
    React
    Node.js
    Rust
  • $50 hourly
    NFT GAME | NFT MARKETPLACE | NFT MINTING Much Experience in NFT | Game, Minting, Marketplace! So far I have developed 2 successful games and web sites using React, React Native, NodeJS, WebSocket, Web3.js, Ether, Ethereum, . I love building games and also be so passionate in developing games. Also my clients are satisfied with my work result - I always try to have creative idea. If you want, I can provide you some assets of my previous work. Let's collaborate to build the successful products for the world.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    React Native
    NFT Minting
    Ethereum
    NFT Marketplace
    Solana
    web3.js
    NestJS
    Rust
    Node.js
    React
    Next.js
    Vue.js
    Nuxt.js
  • $60 hourly
    My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, auditing and development of dApps and other industries that need the power of decentralization, tokenization, and smart contracts. As a Full-Stack Developer, I hold expertise with: - Node.js / Express.js - Vue.js - React.JS / Redux - Angular.JS / Backbone.JS / JavaScript / jQuery - MySQL / SQLite / MongoDB / PostgreSQL - Experience with Elastic Search / Solr - Deployment on Heroku / VPS / Amazon Web Services (AWS) / Digital Ocean - Git, Bitbucket, Trello, etc. Public Blockchain Platforms: Ethereum ✓ Developing smart contracts using a Solidity programming language. ✓ Developing RPC using client libraries such as Web3. ✓ Static analysis of smart contracts for gas consumption and optimization using Remix IDE. ✓ Securing smart contracts using libraries like OpenZeppelin. ✓ Developing Ethereum dApps using Truffle framework. ✓ Integration with crypto wallets such as Metamask. ✓ Deploying smart contracts on test networks such as ropsten/rinkeby as well as Ethereum mainnet. I can help you with: - Cryptocurrency exchange platform - ICO / STO Development - Cryptocurrency wallet development - Dapp development with smart contract Thank You!
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Ether
    React
    Blockchain
    Solana
    NFT Marketplace
    JavaScript
    Rust
    Node.js
    NFT Minting
    Smart Contract
    web3.js
    Blockchain Architecture
    DApp Development
    Ethereum
  • $40 hourly
    I am a certified Hyperledger Fabric developer with 10+ years of experience in software development and project management. I have extensive experience in building decentralized applications. I am well versed in Hyperldger Fabric architecture and capabilities. With my industry experience and innovative approach, I can help companies build enterprise-grade applications with high-performance characteristics at scale. Blockchain has the potential to redefine business processes and build tech-based relationships to improve the collective efficiency and reduce operational costs dramatically. Companies are willing to adopt blockchain technology but due to the lack of knowledge of the core concepts and usability, making a shift towards blockchain has become challenging. I can provide end to end constancy services comprising of: 1. Evaluating the impact of using blockchain for the respective use case. 2. Developing a business transformation blueprint. 3. Proof Of Concept Development. 4. Full-scale blockchain development. 5. Integration with the existing system. 6. Training and post-deployment support. I am highly dedicated to my work and ensure high-quality services with all-time availability.
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    Supply Chain Management
    FinTech Consulting
    Fabric
    Blockchain
    Cryptocurrency
    Solana
    Ethereum
    web3.js
    Node.js
    Blockchain Architecture
    Smart Contract
    Hyperledger Fabric
    Golang
    Rust
  • $60 hourly
    Hello, I'm an inquisitive man with 7+ years of experience in Website/Mobile development. I love working with Javascript and its popular frameworks. I use Node/Express/Next extensively to build a lightweight and smooth backend. I can construct a high modularized Website and Mobile project by using React and React Native. Also, I'm proficient in API development based on REST framework, GraphQL, or SOAP. I like to learn new tools, languages, and technologies to provide optimized solutions and deliver better products. Here are my main skills. - Node, Express.js, Next.js - React, Redux, Material-UI, Vue, Angular, JSX, Mobx - React Native, Android, iOS - Javascript, Typescript, jQuery, HTML5/CSS3, SCSS/Sass - OpenAPI, REST framework, GraphQL, SOAP, RabbitMQ, and Celery - Apache, Nginx, Linux, Shell Script, Powershell - AWS Cloud - EC2 instance, Lambda, S3 bucket, Glue, Serverless, etc. - MySQL, PostgreSQL, DynamoDB, MongoDB, SQL Server - JIRA, Trello, Airtable, Slack, Github, SVN My previous work area is covering web data scraping, visualization, scalable streaming, cryptocurrency, blockchain tech, map manipulation, etc. - DeFi, Solidity, Smart Contracts, Coin Wallet, Ethereum, NFT, WEB3 - Wowza Media Server, WebRTC, YouTube API, JW Player - Highcharts, Three.js, WebGL, D3.js, Plotly - Google Maps API, OSM, ArcGI - Selenium, Scrapy, Puppeteer, BS4, XPath Love to work with you. Thank you.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Website
    Cryptocurrency
    Blockchain
    DApps
    Remix
    React
    Truffle
    NFT Marketplace
    Solana
    Rust
    web3.js
    Smart Contract
    NFT Minting
    Ethereum
  • $45 hourly
    Hello. I am a very experienced blockchain developer in many different areas of software engineering including Blockchain development, and website development. I have expertise in the following areas ✓ Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com ✓ NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liquidity pools, borrowing and lending, yield farming, impermanent loss, governance tokens) ✓ NFTs (ERC-721, ERC-1155, Flow, BSC, Polygon, Rarible, Opensea, Nifty, etc) ✓ ICO| STO| IEO- Developing from scratch ✓ Token development ✓ Smart Contract (ERC20 + ERC21) and Audit (Solidity + Rust) ✓ Wallet development (HOT /COLD/ETHER/P2P/ ETH WALLET) ✓ Crypto Arbitrage (Flash Loan) With my experience to create working, quality software solutions in a timely manner, I am confident I can accommodate almost any software development projects. I will do my best for you. Thank you
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Cryptocurrency
    Truffle
    DApps
    Blockchain
    Remix
    Solana
    NFT Marketplace
    Ethereum
    Smart Contract
    Rust
    NFT Minting
    web3.js
  • $45 hourly
    Hello. A specialist and a huge enthusiast of the blockchain sector, serving new and old clients with my proficiency in blockchain consultancy and development that can range from a simple token to multiple exchanges and entire blockchain transformation for mid-size businesses to huge corporations. Solutions I can provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Lending, Swapping, Staking, Futures) ✔ Portfolio Tracking Platform ✔ Web/Mobile Wallet ✔ DEFI Exchange Development ✔ Liquidity Mining Protocols ✔ Impermanent loss, governance tokens ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ IEO, STO, Blockchain Research Writing and Whitepapers ✔ Tokenomics ✔ Token Wallet Development ✔ Cryptocurrency games ✔ Custom concurrency development ✔ chain codes ✔ node-setups ✔ Multichain and cosmos development ✔ One-pager 🔸 API Development and Integration: blockchain.info, infura.io, btcpay, node development for custom APIs 🔸 DeFi development: Yearn, Uniswap, Curve, dydx 🔸 Blockchain stack: Web3, Solidity, Infura, Truffle, Remix, ETH, MERN, Python 🔸 Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ HTML (5), CSS (3), LESS, Sass, Bootstrap (3/4) ✔ JavaScript/Typescript, React.js, Node.js ✔ PostgreSQL, MongoDB, Redis ✔ TDD methodology (Unit-testing) Due to the very high-speed improvement of the blockchain sphere, I'm constantly learning and trying out new technologies and solutions. Also, based on my experience I can provide you with a consultation on your project, suggesting the most suitable variants and design the full architecture from scratch or using your materials as a base. Feel free to reach out to me, I'm always open to discussions and glad to help.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Cryptocurrency
    Truffle
    DApps
    Website
    Blockchain
    Remix
    Haskell
    NFT Marketplace
    Solana
    Ethereum
    web3.js
    Rust
    NFT Minting
    Smart Contract
  • $45 hourly
    Hello. A specialist and a huge enthusiast of the blockchain sector, serving new and old clients with my proficiency in blockchain consultancy and development that can range from a simple token to multiple exchanges and entire blockchain transformation for mid-size businesses to huge corporations. Solutions I can provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Lending, Swapping, Staking, Futures) ✔ Portfolio Tracking Platform ✔ Web/Mobile Wallet ✔ DEFI Exchange Development ✔ Liquidity Mining Protocols ✔ Impermanent loss, governance tokens ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ IEO, STO, Blockchain Research Writing and Whitepapers ✔ Tokenomics ✔ Token Wallet Development ✔ Cryptocurrency games ✔ Custom concurrency development ✔ chain codes ✔ node-setups ✔ Multichain and cosmos development ✔ One-pager 🔸 API Development and Integration: blockchain.info, infura.io, btcpay, node development for custom APIs 🔸 DeFi development: Yearn, Uniswap, Curve, dydx 🔸 Blockchain stack: Web3, Solidity, Infura, Truffle, Remix, ETH, MERN, Python 🔸 Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ HTML (5), CSS (3), LESS, Sass, Bootstrap (3/4) ✔ JavaScript/Typescript, React.js, Node.js ✔ PostgreSQL, MongoDB, Redis ✔ TDD methodology (Unit-testing) Due to the very high-speed improvement of the blockchain sphere, I'm constantly learning and trying out new technologies and solutions. Also, based on my experience I can provide you with a consultation on your project, suggesting the most suitable variants and design the full architecture from scratch or using your materials as a base. Feel free to reach out to me, I'm always open to discussions and glad to help.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain
    Cryptocurrency
    Remix
    Haskell
    Truffle
    DApps
    NFT Marketplace
    Solana
    Ethereum
    web3.js
    Rust
    NFT Minting
    Smart Contract
  • $50 hourly
    Hello. A specialist and a huge enthusiast of the blockchain sector, serving new and old clients with my proficiency in blockchain consultancy and development that can range from a simple token to multiple exchanges and entire blockchain transformation for mid-size businesses to huge corporations. Solutions I can provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Lending, Swapping, Staking, Futures) ✔ Portfolio Tracking Platform ✔ Web/Mobile Wallet ✔ DEFI Exchange Development ✔ Liquidity Mining Protocols ✔ Impermanent loss, governance tokens ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ IEO, STO, Blockchain Research Writing and Whitepapers ✔ Tokenomics ✔ Token Wallet Development ✔ Cryptocurrency games ✔ Custom concurrency development ✔ chain codes ✔ node-setups ✔ Multichain and cosmos development ✔ One-pager 🔸 API Development and Integration: blockchain.info, infura.io, btcpay, node development for custom APIs 🔸 DeFi development: Yearn, Uniswap, Curve, dydx 🔸 Blockchain stack: Web3, Solidity, Infura, Truffle, Remix, ETH, MERN, Python 🔸 Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ HTML (5), CSS (3), LESS, Sass, Bootstrap (3/4) ✔ JavaScript/Typescript, React.js, Node.js ✔ PostgreSQL, MongoDB, Redis ✔ TDD methodology (Unit-testing) Due to the very high-speed improvement of the blockchain sphere, I'm constantly learning and trying out new technologies and solutions. Also, based on my experience I can provide you with a consultation on your project, suggesting the most suitable variants and design the full architecture from scratch or using your materials as a base. Feel free to reach out to me, I'm always open to discussions and glad to help.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Cryptocurrency
    Blockchain
    Haskell
    Remix
    DApps
    Truffle
    Solana
    NFT Marketplace
    Ethereum
    Rust
    web3.js
    NFT Minting
    Smart Contract
  • $45 hourly
    Hello. A specialist and a huge enthusiast of the blockchain sector, serving new and old clients with my proficiency in blockchain consultancy and development that can range from a simple token to multiple exchanges and entire blockchain transformation for mid-size businesses to huge corporations. Solutions I can provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Lending, Swapping, Staking, Futures) ✔ Portfolio Tracking Platform ✔ Web/Mobile Wallet ✔ DEFI Exchange Development ✔ Liquidity Mining Protocols ✔ Impermanent loss, governance tokens ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ IEO, STO, Blockchain Research Writing and Whitepapers ✔ Tokenomics ✔ Token Wallet Development ✔ Cryptocurrency games ✔ Custom concurrency development ✔ chain codes ✔ node-setups ✔ Multichain and cosmos development ✔ One-pager 🔸 API Development and Integration: blockchain.info, infura.io, btcpay, node development for custom APIs 🔸 DeFi development: Yearn, Uniswap, Curve, dydx 🔸 Blockchain stack: Web3, Solidity, Infura, Truffle, Remix, ETH, MERN, Python 🔸 Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ HTML (5), CSS (3), LESS, Sass, Bootstrap (3/4) ✔ JavaScript/Typescript, React.js, Node.js ✔ PostgreSQL, MongoDB, Redis ✔ TDD methodology (Unit-testing) Due to the very high-speed improvement of the blockchain sphere, I'm constantly learning and trying out new technologies and solutions. Also, based on my experience I can provide you with a consultation on your project, suggesting the most suitable variants and design the full architecture from scratch or using your materials as a base. Feel free to reach out to me, I'm always open to discussions and glad to help.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain
    Cryptocurrency
    Remix
    Haskell
    Truffle
    DApps
    Solana
    NFT Marketplace
    Ethereum
    NFT Minting
    Rust
    Smart Contract
    web3.js
  • $45 hourly
    Hello. I am a very experienced blockchain developer in many different areas of software engineering including Blockchain development, and website development. I have expertise in the following areas ✓ Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com ✓ NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liquidity pools, borrowing and lending, yield farming, impermanent loss, governance tokens) ✓ NFTs (ERC-721, ERC-1155, Flow, BSC, Polygon, Rarible, Opensea, Nifty, etc) ✓ ICO| STO| IEO- Developing from scratch ✓ Token development ✓ Smart Contract (ERC20 + ERC21) and Audit (Solidity + Rust) ✓ Wallet development (HOT /COLD/ETHER/P2P/ ETH WALLET) ✓ Crypto Arbitrage (Flash Loan) With my experience to create working, quality software solutions in a timely manner, I am confident I can accommodate almost any software development projects. I will do my best for you. Thank you
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Cryptocurrency
    Blockchain
    Website
    DApps
    Truffle
    Haskell
    Remix
    Solana
    NFT Marketplace
    Ethereum
    Smart Contract
    NFT Minting
    Rust
    web3.js
  • $45 hourly
    Hello. A specialist and a huge enthusiast of the blockchain sector, serving new and old clients with my proficiency in blockchain consultancy and development that can range from a simple token to multiple exchanges and entire blockchain transformation for mid-size businesses to huge corporations. Solutions I can provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Lending, Swapping, Staking, Futures) ✔ Writing smart contract using Solidity and Rust ✔ Web/Mobile Wallet ✔ DEFI Exchange Development ✔ Liquidity Mining Protocols ✔ Impermanent loss, governance tokens ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ IEO, STO, Blockchain Research Writing and Whitepapers ✔ Tokenomics ✔ Token Wallet Development ✔ Cryptocurrency games ✔ Custom concurrency development ✔ chain codes ✔ node-setups ✔ Multichain and cosmos development ✔ One-pager 🔸 API Development and Integration: blockchain.info, infura.io, btcpay, node development for custom APIs 🔸 DeFi development: Yearn, Uniswap, Curve, dydx 🔸 Blockchain stack: Web3, Solidity, Infura, Truffle, Remix, ETH, MERN, Python 🔸 Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ HTML (5), CSS (3), LESS, Sass, Bootstrap (3/4) ✔ JavaScript/Typescript, React.js, Node.js ✔ PostgreSQL, MongoDB, Redis ✔ TDD methodology (Unit-testing) Due to the very high-speed improvement of the blockchain sphere, I'm constantly learning and trying out new technologies and solutions. Also, based on my experience I can provide you with a consultation on your project, suggesting the most suitable variants and design the full architecture from scratch or using your materials as a base. Feel free to reach out to me, I'm always open to discussions and glad to help.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain
    Cryptocurrency
    Haskell
    Truffle
    DApps
    Remix
    Solana
    NFT Marketplace
    Ethereum
    Smart Contract
    Rust
    NFT Minting
    web3.js
  • $25 hourly
    𝐇𝐢 𝐭𝐡𝐞𝐫𝐞, 𝐈’𝐦 𝐌𝐨𝐡𝐚𝐦𝐞𝐝! As a 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 and 𝐂𝐓𝐎 with years of experience working with 𝐭𝐞𝐜𝐡 𝐬𝐭𝐚𝐫𝐭𝐮𝐩𝐬, I specialize in building 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐬𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 that power growth. Whether you’re in the 𝐩𝐫𝐞-𝐬𝐞𝐞𝐝, 𝐬𝐭𝐚𝐫𝐭𝐮𝐩, or 𝐬𝐜𝐚𝐥𝐞-𝐮𝐩 phase, I’m here to help you overcome technical challenges and create high-performance web applications that deliver results. I have expertise in the𝐌𝐄𝐑𝐍/𝐌𝐄𝐀𝐍 𝐬𝐭𝐚𝐜𝐤 𝐋𝐚𝐫𝐚𝐯𝐞𝐥, and 𝐜𝐥𝐨𝐮𝐝-𝐛𝐚𝐬𝐞𝐝 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, and my goal is to help you build and optimize your project from scratch, or refine your existing systems for maximum impact. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼 𝗕𝗲𝘀𝘁 𝐒𝐭𝐚𝐫𝐭𝐮𝐩-𝐅𝐨𝐜𝐮𝐬𝐞𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: I understand the challenges of growing a tech startup. From crafting technical roadmaps to executing development, I help you build the systems you need for long-term success. 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Whether you're looking for a custom web app, responsive 𝐔𝐈/𝐔𝐗, or a robust backend, I focus on creating scalable solutions that can grow with your business. 𝐀𝐏𝐈 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: I’ve developed and integrated multiple 𝐑𝐄𝐒𝐓 𝐀𝐏𝐈𝐬, ensuring smooth communication between systems and platforms, and driving efficiency across your business. 𝐂𝐥𝐨𝐮𝐝 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Expertise in deploying and managing applications using 𝐀𝐖𝐒, 𝐆𝐨𝐨𝐠𝐥𝐞 𝐂𝐥𝐨𝐮𝐝 and Firebase, ensuring your software is secure, scalable, and reliable. 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? 𝐒𝐭𝐚𝐫𝐭𝐮𝐩𝐬 & 𝐓𝐞𝐜𝐡 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞I specialize in helping startups build and optimize their tech solutions, ensuring you stay ahead of the curve. From the earliest stages to scaling up, I’ve been there every step of the way. 𝐏𝐫𝐨𝐯𝐞𝐧 𝐒𝐮𝐜𝐜𝐞𝐬𝐬:With years of experience as a CTO and developer, I’ve helped clients transform their business ideas into fully-functioning tech solutions that exceed expectations. 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐒𝐭𝐫𝐚𝐭𝐞𝐠𝐢𝐜 𝐓𝐡𝐢𝐧𝐤𝐢𝐧𝐠: I don't just develop code; I partner with you to ensure your tech solutions align with your business vision and objectives, ensuring long-term success. 𝐋𝐞𝐭’𝐬 𝐜𝐡𝐚𝐭!I offer a free strategy session where I’ll take a look at your requirements, provide actionable insights, and outline a clear plan to move forward. Just send me a message, and we can get started! Key Skills: Full Stack Developer, MERN Stack, MEAN Stack, Node.js, React.js, Angular, Laravel, API Development, Cloud Development, Backend Development, Frontend Development, UI/UX Design, AWS, Firebase, CI/CD, Progressive Web Apps, Responsive Web Design, Database Optimization, Cloud-Native Applications, Mobile-First Design, Custom API Integration, SaaS Development, Database Management, Web App Development, REST APIs, Backend Architecture, Frontend Solutions, Software Architecture, Web Development, Tech Startup Solutions, Pre-Seed Startups, Startup Development, Product Lifecycle Management, Scalable Software Solutions, Product Owner, CTO. Full Stack Development (MERN/MEAN), Startup Development. Scalable Software Solutions, Web Application Development, CTO Experience for Startups, Custom API Development & Integration, Cloud Solutions (AWS, Firebase, Google Cloud), Frontend (React.js, Angular, Tailwind CSS), Backend (Node.js, Express.js, Laravel),Agile Project Management, Business System Optimization
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Software Architecture & Design
    Database Architecture
    React
    Business
    Marketing
    MERN Stack
    MEAN Stack
    DApps
    Blockchain, NFT & Cryptocurrency
    C++
    Laravel
    Game Development
    Unity
    React Native
    Angular
    Web Development
    Python
    DevOps
    PHP
  • $50 hourly
    An enthusiastic and challenge-driven developer with 7+ years of experience specializing in full-stack web development. Those years have allowed me to build skills as a full-stack developer, specializing in writing smart contracts for DeFis and dApps as well as full-stack web development through the use of PHP framework and JavaScript frameworks. I'm very passionate about delivering the best technical solutions. Working with me you'll see that what matters most is your success. You could go with cheaper routes, and you can manage things all by yourself, or you can hand it off to me and know that it will get it done hassle-free so you can focus on more important things
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Ethereum
    Blockchain
    Smart Contract
    Ether
    web3.js
    Vue.js
    MongoDB
    React
    ExpressJS
    Angular
    MySQL
    Node.js
    Laravel
  • $50 hourly
    I am a Front End developer and have good experience in Blockchain projects. Build the beautiful and neat products , furthermore, provide several services. Develop modular component-based features across the front-end of the web applications and utilize current coding practices such as ES6, component architecture, functional programming patterns with an emphasis on code quality. Front End - HTML/CSS/Javascript/Typescript. - SASS/Bootstrap/Tailwind CSS/ Material UI/ Anti UI. - React, Next, Vue, Nuxt, Angular, JinJa2. - Chart.js, Three.js, D3.js, WebGL, GSAP, HighChart , Web3, Ether.js. - Restful API, GraphQL. Other Experience - Blockchain : Solidity, Rust, Reach, PyTeal. - Backend : Node, Express. Python, Flask, Django. - Database : MongoDB, Firebase, MySQL, PostgreSQL. - Extra : Git, Docker, AWS, Jira, GCP. I am here to turn your idea into reality. Thank you
    vsuc_fltilesrefresh_TrophyIcon Solidity
    web3.js
    Tailwind CSS
    Gatsby.js
    TypeScript
    Material UI
    Vue.js
    Next.js
    React
    Node.js
    Python
    PostgreSQL
    Rust
    MongoDB
    GraphQL
  • $45 hourly
    I'm Lene Smeets, a professional FullStack and Blockchain expert who love building complex and structured web sites. As a full time freelancer, I have already had almost 6 years of experience in this field and worked for a variety of remote and local clients, from individuals to businesses. My work style is based on details, quality and responsibility, so I am proud of providing the great results to my clients so far. I can provide services in the next scope of technologies: Frontend: React | Next | Angular | Vue | Nuxt | Svelte | ReactNative Backend: PHP | Node | Express | Laravel | Django | Spring | CI API: RESTFul | GraphQL Blockchain: Ethereum | Bitcoin | Solidity | Web3 Database: PostgreSQL | MySQL | MongoDB | Oracle CMS: WordPress | Shopify | Magento Extras: AWS | Heroku | WebRTC | SEO | Scraping Please don't hesitate to contact me if you need my service.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Ethereum
    web3.js
    RESTful API
    Python
    Laravel
    Vue.js
    ExpressJS
    MongoDB
    React
    Angular
    MySQL
    PostgreSQL
    Django
    Node.js
  • $50 hourly
    Welcome to my profile. I am a full stack web&mobile developer who has rich experience in blockchain technoogy. ✅ Mobile Development: Java, Kotlin, Swift, Objective-C, Flutter, Dart, React Native ✅ Backend: Ruby, Python, PHP, Node.js + Express.js / C# ASP.NET MVC + Web API ✅ Frontend: React + Flux + Redux + Flow, Angular, jQuery, Vanilla JS / HTML, CSS, JS, Vue.js, Vuetify, Vue Material ✅ Storages: MS SQL Server, MySQL, PostgreSQL, MongoDB, Redis / EntityFramework ✅ Style tools: LESS, SASS / Twitter Bootstrap, Angular Material, MaterializeCSS ✅ Building tools: Gulp, Webpack, Browserify ✅ Version control: Git (Github, BitBucket), SVN ✅ Framework: Rails, Django, Laravel, Codeigniter ✅ Ecommerce: Shopify, Magento, Opencart, Woocommerce, Squarespace ✅BlockChain Development ✋ Wallet: Argent, imToken, MyEtherWallet, MetaMask, Torus, Portis, Coinomi, Rainbow, WallETH, Bitcoin.com Wallet ✋ Dapps: - Exchange: Binance, Bittrex, Coinmama, Crypto.com, Itez, Kraken, Gemini - Lending and borrowing: Aave, Compound, Oasis - Token swap: Uniswap. Matcha, 1inch - Trading and prediction markets: Polymarket. Augur, Loopring, dYdX - Investments: Token Sets, PoolTogeher, Index Coop - Payment: Tornado cash, Sablier - Crowdfunding: Gitcoin Grants - Insurance: Nexus Mutual, Ehterisc - Portfolios: Zapper, Zerion, Rotki ✋ Environment - Truffle, Hardhat, Scaffold-eth, Embark ✋Ethereum Token Standard - ERC-20, ERC-223, ERC-667, ERC-721, ERC-777 I'd love to hear about your project and give you an initial free consultation and estimation of cost. Thank you.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    React Native
    Firebase
    Remix
    Binance Coin
    Ethereum
    Blockchain
    Flutter
    Android App Development
    iOS Development
    Smart Contract
    Java
    Vue.js
    Node.js
    React
  • $60 hourly
    I'm a senior developer with 5+ years experiences in web & blockchain full-stack development. I am very familiar with PHP/Laravel/CI, Node.js/React.js/Angular.js, Solidity/Truffle/Hardhat, Web3.js/Ether.js, Rust, Open Zeppelin, GraphQL, several blockchain APIs. And had experiences with smart contracts, several types of token(ERC20/ECR721/ERC1155) deployment, building new Crypto Wallet, Auto trading Bot / Snipping Bot(Front-run, Arbitrage), DEX fork, Defi platform for Staking / Yield farm / Lending & borrowing system / NFT marketplace / Crypto Game(play to earn) in several blockchains like Ethereum, Binance Smart Chain, Polygon, Cardano , Fantom and Solana. So many interests in website design and development to integrate crypto currency and had experiences with it. By good communication, can have enough time to discuss all details for the project requirements.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Vue.js
    Web Development
    Bot Development
    React
    web3.js
    Rust
    Blockchain
    JavaScript
    Smart Contract
    Python
  • $50 hourly
    I have rich experience for around 5 years in many different areas of software engineering. I like to build amazing and awesome websites with my creative diverse knowledge. I am really good at HTML, CSS, Frontend development with React, Backend development with Node, Website Design, GraphQL and more using modern JavaScript, Typescript, Python, PHP, Shopify and WordPress. I can integrate any kind of 3rd party API and payment gateway/SMS gateway/video/audio chat, I have done about 80+ React.js web development and executed successfully has done. In the last 2 years, I have focused on blockchain. I have specialized in Ethereum, Solana, NFT, smart contracts and so on
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain
    web3.js
    Tailwind CSS
    MongoDB
    JavaScript
    Laravel
    Node.js
    React
    Vue.js
    TypeScript
  • $55 hourly
    Thanks for landing here. I am a very experienced full stack developer in many different areas of software engineering including Blockchain development, Frontend development, Backend development, Mobile App development, and more. I have expertise in the following areas ✓ Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com ✓ NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liquidity pools, borrowing and lending, yield farming, impermanent loss, governance tokens) ✓ NFTs (ERC-721, ERC-1155, Flow, BSC, Polygon, Rarible, Opensea, Nifty, etc) ✓ ICO| STO| IEO- Developing from scratch ✓ Token development ✓ Smart Contract (ERC20 + ERC21) and Audit (Solidity + Rust) ✓ Wallet development (HOT /COLD/ETHER/P2P/ ETH WALLET) ✓ Crypto Arbitrage (Flash Loan) With my experience to create working, quality software solutions in a timely manner, I am confident I can accommodate almost any software development projects.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Game
    Ethereum
    Website
    Blockchain
    Smart Contract
    Initial Coin Offering
    Solana
    Haskell
    Truffle
    Cryptocurrency
    Unity
    web3.js
    React
    Rust
  • $50 hourly
    Senior of Full Stack & Blockchain Engineer Accomplished Senior Software Engineer with 9+ years of hands-on experience in delivering top-notch Decentralized applications and Web applications for many startups and firms. Focused on creating collaborative efforts between support and engineering teams to implement system or product level changes to benefit end-users. Eager to support building an impeccable online reputation by providing high-level customer support for startups and firms. With in-depth knowledge of Artificial Intelligence, implemented deep learning to forecast Cryptocurrency price and made market-competitive tokens. Built and improved a lot of web applications and software for companies and clients. My skills : 1. Web - Frontend : React, Vue, Angular, JQuery. ES5/ES6 - Backend : PHP, CI, Laravel, WordPress, Node.js, Ruby on Rails, Django - DataBase : MySQL, MongoDB 2. Mobile - Android, Objective C, Swift - React native, Flutter, Ionic 2. Blockchain - Solidity, Web3.js, Rust, Ether.js, C++, React If we work together, I will provide them: ✓ Professional and Polite ✓ Amazing Communication ✓ Quality Work within Budget ✓ Free Fixes after the project delivery ✓ Long term partnership and support ✓ Clean, Documented Code ✓ Regular Updates
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain
    Node.js
    Nuxt.js
    React
    Next.js
    Ether
    web3.js
    PHP
    Python
    Laravel
    Rust
    C++
    PostgreSQL
    MongoDB
  • $50 hourly
    Thanks for landing here. I am a very experienced full stack developer in many different areas of software engineering including Blockchain development, Frontend development, Backend development, Mobile App development, and more. I have expertise in the following areas ✓ Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com ✓ NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liquidity pools, borrowing and lending, yield farming, impermanent loss, governance tokens) ✓ NFTs (ERC-721, ERC-1155, Flow, BSC, Polygon, Rarible, Opensea, Nifty, etc) ✓ ICO| STO| IEO- Developing from scratch ✓ Token development ✓ Smart Contract (ERC20 + ERC21) and Audit (Solidity + Rust) ✓ Wallet development (HOT /COLD/ETHER/P2P/ ETH WALLET) ✓ Crypto Arbitrage (Flash Loan) With my experience to create working, quality software solutions in a timely manner, I am confident I can accommodate almost any software development projects.
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Solana
    Smart Contract
    web3.js
    NFT Minting
    Unity
    NFT Marketplace
    Cryptocurrency
    Website
    Ethereum
    Blockchain
    DApps
    Game
    Rust
    React
  • $60 hourly
    Hi there. Welcome to my profile. I'm John Keller - a full-stack developer with 8+ years of full-stack development experience. When I decided to join the blockchain industry 5 years ago colleagues didn't understand me. But I was right, as it turns out. Now I'm here to help you with my experiences and skills. - Blockchain development * FT, NFT Development - ERC20, ERC721, ERC721A, ERC1155. * NFT marketplace development * DEX, DAO development - Web development * React, Angular, Vue, Next, Gatsby, Nuxt, .... * Node, Nest, Laravel, Golang, CMS frameworks, ... * MongoDB, MySQL, PostgreSQL, .... * web3.js, ethers.js, wallet integration, ... - DevOps * AWS(EC2, S3, Route53, Lambda, PPC), Azure, GCP, Firebase, Heroku, etc. * Jira, Git...
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Blockchain Architecture
    Blockchain
    NestJS
    Golang
    C++
    Rust
    Next.js
    React
    Vue.js
    Angular
    Node.js
  • $38 hourly
    I have worked on many DeFi and Dapps based on Ethereum Blockchain and I have extensive 5+ years of experience in developing and writing Smart Contracts for Ethereum Blockchain. I am expert with Tokenomics and have written several whitepapers too, I have also used Web3 to integrate several Smart contracts of different blockchain to frontend designs. I have 2+ years of experience using web3 I am expert with Tron Blockchain too and have written several smart contracts in Tron along with made several Defi and Dapps too using Tron Network. With Binance Chain and Binance Smart Chain I have developed several Defi and Dapps and written 100+ smart contracts and deployed it in Binance Smart Chain and Binance Blockchain. I am expert in Uniswap, Sushiswap, Swapping tokens, Staking, Yield Farming, Lottery Smart Contracts etc I have worked on multiple coding and business start-up projects related to blockchains and crypto assets/coins, gaining experience covering blockchain, consensus algorithms, Hyperledger, bitcoind, geth, ethminer, ethash, ERC20 tokens, JSON RPC, transactions, testnets, on-chain atomic swaps, cryptocurrency mining, coin trading, exchanges (both centralized and decentralized), and 'crypto ecosystem' modelling. I run my own full nodes for BTC, ETH and ETC. I have contributed to multiple whitepapers, and been involved in several completed ICOs. I have developed 120+ Crypto Exchange and ICO Platform and helped several clients raise and earn million of dollars worth of Crypto. I have worked with all the popular blockchains like EOS, Stellar, Waves, Ripple, Bitcoin, Solana, Ethereum and Steem etc I am also expert in all cryptocurrency exchange APIs (BitMEX, Bittrex, Binance, Bitfinex, Kraken, Poloniex, Gdax etc.). As for blockchain technologies, experience programming a hardware bitcoin/litecoin miner, Truffle, Solidity, Ethereum smart contracts and using Ethereum ecosystem is available. I enjoy working in multicultural environments as well as in client-facing roles. Skills: Python, Java, PHP, Truffle, Solidity, NodeJS, VueJS, Laravel and all the related technology stack. Experienced Full Stack web & blockchain developer with more than 10 years of practice and amazing experience in new cryptocurrency creation, NFTs, Defi/DEX dApps and etc. I'm developing reliable, testable and high performance web using top-notch technologies. Blockchain Development: • Smart Contract Development • Solidity • NFT Marketplace • DeFi (Decentralized Finance) • Remix • Truffle • Ethereum Chain • Binance Smart Chain • Solana - Backend: PHP(Wordpress, Laravel), Node.js, Python/Django, Ruby on Rails, .NET - Frontend: ReactJs, Angular, Vue.js, Backbone.js, Bootstrap, HTML5, CSS3 - Databases: MySQL, PostgreSQL, MongoDB, Redis
    vsuc_fltilesrefresh_TrophyIcon Solidity
    Decentralized Exchange
    Binance NFT
    React
    Solana
    Financial Management
    Project Management
    Golang
    web3.js
    DApp Development
    Rust
    Blockchain
    Blockchain Architecture
    Ethereum
    Smart Contract
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