Hire the best Smart Contracts Developers in the Netherlands

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$60 hourly
Max B.
- 5.0/5
- (27 jobs)
I am a passionate developer with a strong focus on scraping, data, crypto, telegram bots and financial markets. I have a lot of experience building Telegram bots that interface with existing web3 dApps, DEX-trading analysis and the blockchain itself. Over the past years I have ran multiple blockchain nodes and have a lot of experience with every single ERC-20 blockchain. Programming Languages: - Rust - Intermediate - Golang - Intermediate - Python - Intermediate - Solidity - Intermediate - Rust - Intermediate - JS / React / Web3 - Intermediate Experience with application of the programming languages: Data-Science / ETL / Cloud / Scraping: - Extensive experience building APIs - Extensive experience with real-time streams, web sockets, batch-data. - Experience with Kafka, Apache Airflow / Spark / Hadoop / Beam. - Experience with BeautifulSoup4, Selenium and Scrapy. - Experience in data-science (3+ years) Crypto Specific: - Strong experience with Go Ethereum - Strong experience with Geth - Strong experience with Erigon - Strong experience with ethers-rs / alloy-rs Finance / Crypto: - Experience in financial market applications (10+ years of proprietary trading in stocks). - Experience with Bloomberg API - Extensive knowledge about economics and markets both traditional and cryptocurrency related (5+ years experience in crypto-markets). - Experience in cryptocurrency smart-contract solutions. Automation: - Experience building social-media bots (Discord, Twitter, Telegram, Reddit) OS: - Extensive knowledge of Linux. - Experience with Debian-based operating system (4+ years). Cybersecurity: - Intermediate pen-testing and cybersecurity experience on practice machines. - Top 3% on TryHackMe

Smart Contracts
Rust
Bot Development
API
Golang
Blockchain Development
Tech & IT
Linux
Discord
Software
ETL Pipeline
Solidity
Smart Contract
Data Scraping
Python
pandas
$150 hourly
Karim G.
- 5.0/5
- (52 jobs)
My work has helped generate over $100 million in on-chain value across more than 50 projects. I’m Karim, a blockchain expert based in the Netherlands. I help people build real crypto products that are fast, secure, and ready for the market. ★ RESULTS - Helped clients raise $25M from NFT launches - Launched multiple tokens that hit $50M+ in market cap - Created DeFi solutions with 7-figure total value locked ★ WHAT I DO BEST - DeFi Systems I build DEXs, CEX tools, lending platforms, staking systems, token launchpads, and L2 integrations customized to your protocol’s goals. - Full dApps & Platforms I build full crypto platforms, wallets, dashboards, staking apps, and Web3 frontends, ready for launch and high-volume use. - Smart Contracts Clean, secure, audit-ready smart contracts for Ethereum, Solana, and EVM chains, built for safety, speed, and scale. - Token Launches From tokenomics to secure deployment, I’ve launched tokens that reached $50M+ market cap and handled full sales, airdrops, and vesting logic. - NFT Projects I deliver NFT marketplaces, mint engines, raffles, GameFi features, and ERC-721/1155 contracts, designed to attract users and generate revenue. ★ HOW I WORK - I start with a strategy call to understand your goals - I map out a clear plan with real results - I build clean, secure code and help launch your product - I stay on to support, scale, and improve it ★ LET’S TALK Have a crypto idea you want to launch? Message me “BOOK” for a free call. I’ll help you shape the idea, plan your next steps, and start building.

Smart Contracts
React
Binance Coin
Solidity
Ethereum
Smart Contract
NFT Minting
Cryptocurrency
Blockchain
Blockchain Development
Blockchain Platform
JavaScript
web3.js
$135 hourly
Jarmo V.
- 5.0/5
- (34 jobs)
Highly skilled Smart Contract and Web3 Engineer. Certified in Web3 development, Golang, Rust, Solidity, and Blockchain Security. Hands-on experience with ERC404, ERC4337, ERC721AC, and other new protocols. Known for projects like Dash2Trade.com, Metcacade.co, Alpacadabraz.io, I have built a reputation as a Quality programmer in the Web3 space, with a specialism in security. Currently enrolled in Moralis In any given month, I am working on: • Smart Contract Audits • NFT Minting Engines • Custom Smart Contracts • Complex dApps and Blockchain Architecture. • Metaverse/Sandbox Development • Marketplaces & Decentralised Exchanges Communication and progress are my keys to success. Once I get started, I manage your project from start to completion. I also have comprehensive knowledge of subjects as crypto drainers, and the newest create2 mechanisms, as well as other known illicit tools. Feel free to ask me for a consultation on how to best protect yourself against them.

Smart Contracts
Artificial Intelligence
ChatGPT
JavaScript
Ethereum
Python
Blockchain, NFT & Cryptocurrency
React
Solidity
Blockchain
Blockchain Security
Smart Contract
DApp Development
NFT Marketplace
Web3
Blockchain Architecture
$30 hourly
Abed A.
- 4.8/5
- (42 jobs)
Abed Alzain is a Web and Mobile specialist with a BS in Software Engineering combined with an excellent experience with many Web and Mobile programming languages that he has gained during his working history. Previously worked with different companies through different complex projects, where he gained experience in software fields for web and mobile. Abed has great skills in .Net, PHP 5, Laravel Framework, JS, JQuery, Angular, VueJS, CSS, HTML5, and Bootstrap where I'm using it in web application. He widely known as expertise in Ionic Framework in mobile technologies and REST API & API Integration. Next to an excellent knowledge at Git, Docker, AWS, Azure, Scrum, Agile. Abed approach all work with a strong sense of urgency, work well under pressure with his strong initiative and exceptional programming. When Abed has a space to work, he will be creative, the one who will give you more than you could imagine. Tags: .Net, PHP5, Laravel Framework, JS, JQuery, Angular, VueJS, HTML5, CSS3, Bootstrap, Cordova, Ionic Framework, REST API, SOAP, NodeJs, MySql, MongoDB, MWS, AWS, Azure.

Smart Contracts
Ionic Framework
Smart Contract
Blockchain
Angular 2
Ethereum
Amazon MWS
API Development
SaaS
Vue.js
Angular
PHP
Laravel
JavaScript
React
$45 hourly
Van P.
- 0.0/5
- (0 jobs)
Looking mainly for development work, full-time contracts from 6 months up to 5 years in duration. Anything having to do with React, Angular, Vue, Node, C#, Asp.net Mvc, Unity As Modern tech -> blockchain, bitcoin, ehtereum, solidity, web3 for arbitrage with DEX, MDEX, uniswap, pancakeswap Strengths: Adaptability, Flexibility, Used to wearing many hats, and Multi-tasking.

Smart Contracts
DApps
NFT
Cryptocurrency
Back-End Development
Rust
Solidity
Smart Contract
Blockchain
web3.js
Blockchain Architecture
React
JavaScript
$45 hourly
Eric L.
- 0.0/5
- (0 jobs)
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.

Smart Contracts
NFT Marketplace
Truffle
Smart Contract
web3.js
Solana
NFT Minting
Haskell
Remix
Ethereum
Blockchain
Cryptocurrency
Solidity
DApps
Rust
$30 hourly
Crystal B.
- 0.0/5
- (0 jobs)
As a highly skilled DeFi and blockchain developer with over 7 years of experience from Kenya based in Netherlands, I have a proven track record of delivering successful projects for a variety of clients. My expertise includes designing and building decentralized applications on Ethereum and other blockchain platforms, as well as developing smart contracts and integrations with external systems. I am highly proficient in languages such as Solidity, Go, and JavaScript, and have a strong understanding of blockchain architecture and security. In addition, I have experience working with a range of DeFi protocols and frameworks, including 0x, Compound, and Kyber Network. I am a strong team player and have excellent communication skills, which have allowed me to effectively collaborate with cross-functional teams and clients from various industries. I am always eager to learn and stay up to date with the latest developments in the DeFi and blockchain space. With my skills and experience, I am confident in my ability to contribute significantly to any DeFi or blockchain project.

Smart Contracts
Back-End Development
Blockchain
Crypto Exchange Platform
Game Development
Front-End Development
Cryptocurrency
NFT Minting
Smart Contract
Crypto Wallet
Blockchain, NFT & Cryptocurrency
Decentralized Exchange
NFT Marketplace
DeFi
DApp Development
$20 hourly
Amwar B.
- 0.0/5
- (0 jobs)
Hi! I’m a freelance Blockchain Developer with hands-on experience in NFT development, smart contracts, and Web3 integration. I specialize in creating secure, scalable, and user-friendly decentralized applications (dApps) using Solidity, Ethereum, and modern web technologies like React and Node.js. Here’s what I can help you with: • Developing and deploying smart contracts • Creating and launching NFT collections • Building NFT marketplaces • Integrating Web3 wallets and blockchain APIs into websites • Full-stack web and mobile app development Although I’m at the start of my freelancing journey, I’m driven, a fast learner, and committed to delivering high-quality results. I’ve completed courses in Blockchain Development and continue to expand my skills every day. Let’s build something awesome together!

Smart Contracts
Blockchain Architecture
NFT
Python
Android App Development
iOS Development
Mobile App
Node.js
Web Development
Ethereum
Solidity
Smart Contract
Cryptocurrency Forking
Blockchain Development
$40 hourly
Upsume D.
- 0.0/5
- (0 jobs)
I am an Upsume-based software development specialist since 2007. Deeply interested and involved in the Client's business I try to help beyond just software development. My consulting and entrepreneurial experience help me to advise on a call on the delivery roadmap, complexity and risks and help to craft the best solution fit for your idea. My team is flexible, extendable, and ready to solve all kinds of challenges for your business using cutting-edge web technologies and blockchain solutions. Technologies we are going to use, to make your project fly to the moon: ✓ React, Redux, Node, TypeScript ✓ Blockchain, Ethereum, Solidity ✓ Kotlin, Java, Flutter ✓ MongoDB, PostgreSQL, MySQL, Redis ✓ Twitter, Google ✓ NGINX, GitHub, GitLab, Docker, ✓ Figma, MailGun, Stripe, Jira, Industries we worked with: ✓ Software & Hi-Tech ✓ Blockchain & Cryptocurrencies ✓ Restaurants, Online ordering, E-commerce ✓ IOT ✓ Fashion Top 5 reasons why you should work with us: ✓ Expert level ✓ Less hassle, more work ✓ Result oriented ✓ Budget-friendly Let's discuss how our attitude and expertise can contribute to your project. Just drop me a line!

Smart Contracts
Crypto Exchange Platform
DeFi
Blockchain
NFT
Back-End Development
NFT Minting
Smart Contract
Blockchain, NFT & Cryptocurrency
Blockchain Development
NFT Marketplace
Blockchain Platform
DApp Development
Decentralized Exchange
Front-End Development
Crypto Wallet
$40 hourly
Crypto B.
- 0.0/5
- (0 jobs)
Full Stack Developer with expertise in web3 and blockchain development. Strong background in JavaScript, Solidity, and Ethereum. Proven experience building decentralized applications on the blockchain, including smart contracts and dApps. Skilled in using web3.js and Truffle for blockchain development. Familiar with various blockchain platforms such as Ethereum, EOS, and TRON. Experience with ReactJS and NodeJS for building front-end and back-end of web applications. Strong understanding of blockchain scalability solutions such as sharding and state channels. Familiar with Agile development methodologies and experience working in a team environment. Strong problem-solving skills and ability to adapt to new technologies quickly. Proven ability to deliver high-quality, secure and scalable applications. Strong desire to stay up-to-date with the latest developments in the blockchain and web3 space.

Smart Contracts
Web3
Cryptocurrency
DApp Development
Blockchain Development
Blockchain
Crypto Exchange Platform
Back-End Development
NFT
Crypto Wallet
Front-End Development
Blockchain, NFT & Cryptocurrency
Smart Contract
DeFi
NFT Marketplace
NFT Minting
$30 hourly
Akira H.
- 0.0/5
- (0 jobs)
1. I am working as a Full Stack developer -since I graduate .university in 2016. As a creative, passionate and selfmotivate developerIlove to create new way of solving technical problems and designs rather than following safe, old method . I have developed several projects before using MERN stack. I have rich knowledge . in -HTML. CSS Bootstrap , JavaScript and PHP. -React/TypeScript , Redux.NodeJs and NestJs . 2. I am also good at game developement with Unity. I am working as a unity developer since 2019. and have developed many games using C #.NodeJs . MongoDB , Socket.io. I prefer establishing the whole game logic with C# and the server with Node.js rather than adding game effect and building game Ul. 3 . Another skill I have is Blockchain technology. I am working as a Blockchain Developer since 2019, with the Unity Development I mainly focused on NFTs minting & stacking, NFT marketplace.

Smart Contracts
MERN Stack
Solidity
Socket.io
Smart Contract
Blockchain
Google Maps API
NFT
Unity
React
MongoDB
ExpressJS
AJAX
JavaScript
C#
Node.js
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