Building AI-powered blockchain tools, scalable UIs, and empowering the next generation of Web3 developers.
Hi, I'm Jeftar Mascarenhas, Senior Blockchain, AI & Front-end Engineer based in Recife, Brazil 🇧🇷
- 🧩 UI/UX & Front-end Lead at GFT Technologies, working on Wynxx, an AI-powered developer productivity platform.
- 🤖 Creator of Smart Contract Auditor, an internal AI + Blockchain tool that performs automated Solidity audits using LLMs.
- 🪙 Experience with CBDC (Drex), DeFi, Carbon Credit, and Tokenization Projects.
- 🎓 Course author: Smart Contract Developer – From Zero to Intermediate (80+ lessons).
- 🎥 Creator of the NFT Choose YouTube channel, helping developers enter the Blockchain world.
- 💬 Passionate about building scalable, AI-driven products that merge Blockchain, UX, and Software Engineering excellence.
- 🧠 Wynxx Smart Contract Auditor — AI + Blockchain auditing system using GPT, LangChain, and Solidity static analysis.
- 💼 NFT Choose — Educational channel for developers learning Blockchain & Web3.
- ⚙️ DeFi Dashboard PoC — EVM analytics dashboard built with Viem, NestJS, and React.
(Replace “#” with repo links when ready to publish your projects.)
- 🎯 Context Mesh — AI-First development framework that standardizes context-driven development. A 3-step framework (Intent → Build → Learn) that makes context the primary artifact, enabling even free AI models to deliver quality code. v1.1.0 | Docs | Website
💼 LinkedIn
🐦 Twitter
🎥 YouTube – NFT Choose
🌎 Portfolio
📧 jeftarmascarenhas@hotmail.com
Context Mesh - AI-First Framework
“Technology, like art, is a soaring exercise of the human imagination.”
— Daniel Bell