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Vadim — leblavCODE  

Cryptocurrency & Blockchain · Website Development

Ukraine Kyiv, Ukraine
5229
 10  0

Tokenization Wallet integrationsAdditional Expertise SaaS Platforms FinTech Solutions Marketplaces E-commerce Platforms CRM / ERP Systems Mobile ApplicationsTechnology Stack Frontend: React , Next.js, TypeScript Backend: Node.js, Laravel, Symfony AI: OpenAI API, LLM integrations, automation workflows Blockchain: Solidity, Web3 Infrastructure: AWS, Docker, CI/CD Databases: PostgreSQL, MySQL, MongoDB, Redis Mobile: React


Cryptocurrency & Blockchain · AI & Machine Learning

Ukraine Kyiv, Ukraine
966
 8  1

Senior Full-Stack Engineer with 8+ years of experience building scalable web platforms, blockchain solutions, and AI-powered applications. I help startups and businesses design, develop, and launch reliable products from concept to production. My expertise includes: • Web Development (Node.js, TypeScript , React


Python · Cryptocurrency & Blockchain

Ukraine Zaporizhzhia, Ukraine
171
 3  0

games like Hamster Kombat. Parsing and analytics of transactions/blocks. Node setup and maintenance. Browser extensions. Fullstack website development. Fullstack mobile application development. And many other projects and topics. Browse the portfolio. Hardskills: Frontend: HTML/CSS | JavaScript | React /Vue/Angular | Responsive Design | Frontend Tools (Webpack, Babel, ESLint, npm/yarn) Backend: Node.js/Express.js/Typescript


Web Programming · Cryptocurrency & Blockchain

Moldova Kishinev, Moldova
217
 10  1

and functionality. Advanced web applications are implemented with high interactivity, dynamic content, and scalable architecture. Modern frameworks and libraries are applied to ensure stable performance and fast response times. Integration with external services, APIs, and payment systems is carried out to broaden the capabilities of each project. Technologies: JavaScript and TypeScript , PHP (Laravel, WordPress), Node.js, React


Cryptocurrency & Blockchain · Hybrid Mobile Apps

Ukraine Ivano-Frankovsk, Ukraine
168

Programming (OOP), Python (Programming Language), Java, Kotlin, C#, C++, Assembly Language, Zig (Programming Language), Swift (Programming Language), Rust (Programming Language), Solidity, Tact (Programming Language), HTML, Cascading Style Sheets (CSS), R (Programming Language), MATLAB, SQL, PHP, Express.js, Fastify, NestJS, Meteor.js, Sails.js, Next.js, React .js, Vue.js, Svelte, SolidJS, Tauri, Electron.js, React


Web Programming · Cryptocurrency & Blockchain

Ukraine Ternopol, Ukraine
112

I’m a Front-End Web Developer with a passion for building modern, user-friendly, and responsive websites. My toolkit includes HTML, CSS, JavaScript, and TypeScript , along with frameworks like React



Cryptocurrency & Blockchain · Web Programming

United States Cedar Rapids, United States
80

+ Backend for Ethereum DeFi & dApps ★ Rust + Anchor Framework Jito Bundling → sol.bundler.gritsmart.io SPL Token infrastructure Pump.fun bots, liquidity automation, transaction routing Memecoin deployment with real-time trading and farming contracts ★ & Tron, XRPL, Sui Telegram Bots: snipe tools, volume alerts, trade triggers Wallet Support: Metamask, Phantom, WalletConnect & ★ ▪ React .js, Next.js (with SSR) ▪ TypeScript


Web Programming · Cryptocurrency & Blockchain

Ukraine Kyiv, Ukraine
432
 20  0

from analysis to launch and ongoing support Services: AI-powered solutions: chatbots, generative AI, data analytics Blockchain & DeFi: crypto platforms, smart contracts, tokenomics CRM systems & business automation Smart bots for support and operations E-commerce platforms & marketplaces Promotional landing pages & business websites Work process: Analysis → Planning → Development → Testing → Launch → Support Technologies: Frontend: React


Cryptocurrency & Blockchain · Javascript and Typescript

Ukraine Kyiv, Ukraine
Building trust through blockchain technology - one block at a time.
857
 6  0

experience in blockchain development (dApps for EVM based blockchains) Arrived as React developer then start extensive research into crypto market, DeFi, and blockchain solutions. Practical experience with Ethereum, Solidity, OpenZeppelin, React js, Truffle, Web3, Ganache, REST. Created and deployed ERC20 token smart contracts (Ethereum, Polygon nettworks, solidity). Designed and implemented frontend layer using React