Web3 Talent

Senior Node.js & Web3 Backend Engineer with 5+ years of experience building high-performance crypto infrastructure, EVM event listeners, Telegram automation bots, and AI integrations.

⚡ What I Build: • Web3 & Crypto Automation: On-chain transaction verification (USDT/ERC20/TRC20), wallet balance tracking, token-gating systems, and RPC event listeners. • AI & Bot Infrastructure: Custom RAG knowledge bases, OpenAI/GPT-4o integrations, Voice AI assistants, and automated CRM workflows. • Scalable Backends: Robust REST APIs, Webhooks, and event-driven architectures using Node.js, Express.js, and MongoDB.

🤝 Collaboration Model: • 100% Text-Based Communication via Telegram (@sam_shak) • Pay-After-Satisfaction: Build first, test under real conditions, and pay only when satisfied. Zero upfront risk. • Secure Settlement: USDT (Cryptocurrency).

📁 Portfolio & Case Studies: https://www.remote3.co/p/samshak