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Achievement: Pull SharkAchievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: YOLO

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H-crowe/README.md

Hossam Mohamed 👋

Full-Stack & Web Developer · Backend Engineer

Building modern web applications, scalable backend systems, and practical software products with a focus on APIs, system design, authentication, and real-world business logic.

🚀 What I Build

Web & Full-Stack Web applications · SaaS · Business systems

Backend & Infrastructure APIs · Authentication · WebSockets · Automation

Mobile Flutter · Kotlin · Android

Web3 & Security EVM · Solidity · Web3.js · Zero-Knowledge Proofs

🧠 Tech Stack

Frontend & Mobile React · Flutter · JavaScript · TypeScript · Vite · Kotlin

Backend & APIs Node.js · Express · Python · REST APIs · WebSockets

Cloud & Services Firebase · AWS

Web3 & Security Solidity · EVM · Web3.js · Zero-Knowledge Proofs

📱 Published App

Vytrox Expense Tracker · Google Play

🔗 Connect

LinkedIn · Telegram

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  1. VeilLend VeilLend Public

    Confidential borrow-lend protocol on Horizen — private positions with Groth16 ZK proofs, confidential liquidation, and browser-side proving (Horizen Builder Ecosystem Fund S2)

    TypeScript

  2. confidential-policy-engine confidential-policy-engine Public

    JavaScript

  3. vytrox-inventorypro vytrox-inventorypro Public

    A full-stack inventory and sales management dashboard built with React, Node.js, Express, and MySQL.

    JavaScript