Hire the Best web3.js Freelancers
in Serbia

I'm an experienced developer specializing in web-based applications, with expertise in both frontend and backend development. My skills extend to JavaScript and TypeScript, utilizing frameworks like React and Next.js. Proficient in Solidity for Web3 development, I also possess a strong knowledge of libraries such as ethers.js, wagmi, and web3 bridging the gap between web apps and blockchain technology effectively. From vision to reality. I can take you through the whole process while keeping the standards of development at the highest possible level. Fast and reliable.

👋 Hi, there!, I am Lazar - Your Full Stack | Blockchain Developer! Thank you for stopping by my profile! If you are looking for someone to take your project to the next level, you are in the right place. With over several years of experience and a genuine passion for technology, I am dedicated to delivering innovative solutions tailored just for you 🚀 What I Can Do for You I specialize in creating responsive, dynamic websites and applications using the latest technologies. Whether it's building a sleek front-end with React or Angular or developing a robust back-end with Node.js or PHP, I am always ready. 🛠 My Tech Skills: ✅ Blockchain: Smart Contract/Solidity/Rust, Ether.js, Solana/Web3, CCIP, CCTP, DeFi ✅ Frontend: HTML, Javascript/Typescript, CSS3/TailwindCSS, React/Redux/Saga, Next.js, Angular, TypeScript/Javascript, MUI ✅ Backend: Node.js, Express.js, NextJS, PHP, Python, Laravel, CI, ✅ Database: MongoDB, MySQL, PostgreSQL, Firebase ✅ Mobile Development: React Native, Flutter ✅ Cloud & DevOps: AWS, Digital Ocean, Docker ✅ Version Control: Github/Gitlab 🚀 Why Work With Me? ✅ Problem Solver: I love tackling challenges and finding creative solutions. ✅ Full-Cycle Development: From idea to launch, I handle every step of the process. ✅ Quality Focused: I ensure clean, efficient code and thorough testing for bug-fee results ✅ Timely Delivery: I respect deadlines and keep your project on track. 🤝 Let's collaborate! Whether you need a custom website, a mobile app, or anything in between, I am here to help bring your vision to life. Don't hesitate to reach out, let's create something amazing together!

My name is Roman - one of the few Top Rated Plus Level freelancers on Upwork. 8+ years of experience in development. ❤️I love to work efficiently and don't waste client's money on tracking meetings, researches, or simulating work. A lot of automation involved in my development flow: code linting and formatting, git hooks, auto deployments, code snippets and etc. For the past 5 years, I focused on the most modern technologies such as: NestJs, MongoDB, React, GraphQL, React Native, Web3. I have been working with a lot of different APIs, services, and libraries: Google Maps and Leaflet, Foursquare, Onfleet, Uploadcare, Recurly, Stripe, Auth0, PDFMake, PDF.js and etc. Not a complete list of my skills: — JavaScript, TypeScript, React, NextJs, Redux, NestJs, NodeJs, MongoDB, PostgreSQL, MySQL, GraphQL — React Native — PHP, Laravel, Shopify Plus, Woocommerce — HTML / CSS / SCSS / Bootstrap / Bulma and a lot of different UI frameworks — Git, Gulp, Webpack — Testing with Jest, TestCafe, snapshots — Sketch, Figma, Photoshop, and vector graphics apps — Connecting crypto wallets, creating NFT Mint sites — Work with smart contracts, web3 — Browser Extensions I'm interested in front-end and back-end development and JavaScript in the first place. But open to any complex and challenging application development offers ;-)