⭐️ Full-Stack & Senior Blockchain Developer | Next.js | React | Node.js | AI Integrations ⭐️
Hi, I'm Oleksandr Semeniuk, a Senior Full-Stack & Blockchain Developer with 12+ years of experience building modern, scalable, and secure web, mobile, and blockchain applications. I specialize in delivering high-performance solutions that drive real results.
⚡ My Core Skills:
Frontend: Next.js, React, Tailwind CSS, Vue.js
Backend: Node.js, Laravel, Python, PHP
Blockchain: Solidity, Smart Contracts, Web3.js, dApps, NFTs
Mobile: React Native, Flutter
AI/ML: OpenAI API, Langchain, GPT integrations
Cloud: AWS, Google Cloud, Docker, CI/CD
Databases: PostgreSQL, MongoDB, MySQL
❤️ What I Offer:
Custom, pixel-perfect web and mobile apps
Blockchain development (Smart Contracts, NFT platforms, DeFi apps)
AI-powered solutions for automation and efficiency
Seamless API integrations (Stripe, PayPal, etc.)
Scalable architecture with best security practices
Long-term partnership with reliable communication
If you're looking for a dedicated developer who can deliver top-quality solutions in Web, Mobile, AI, and Blockchain, let's connect and build something exceptional!