Youssof K.

Mobile Developer

Full-time available

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Bio

Youssof K is a proficient Full-Stack Mobile Developer with a robust background in developing scalable and efficient applications across various domains including e-commerce, e-learning, and paranormal activity platforms. With expertise in both frontend and backend technologies, Youssof has demonstrated proficiency in React Native, Expo, React, NestJs, and TypeScript, among others. His technical repertoire also includes advanced state management using Zustand, seamless integration with APIs and third-party services like…

  • Projects completed3
  • Hourly rate
  • 3-4 years experience
  • CAiro
  • Member since Jun 2026
Industries
Social & Consumer AppsE-CommerceEdTech
Expertise
ReactTypescriptReact NativeNextJS
Assessments

General Coding and Video Assessment

Great score on Book Availability Checker for Library Web Application, Difficulty Medium · Great score on Debugging a JavaScript Mortgage Payment Calculator for Real Estate Applications, Difficulty Easy · Great score on Manage State in Large React Native Applications, Difficulty Medium · Average score on Optimize Performance in E-commerce React Native Application, Difficulty Medium

Projects

El7a2ny Clinic & Pharmacy

Full-stack MERN clinic/pharmacy system for booking appointments and medicine.

Fresh Cart

React e-commerce website with favorites, cart flow, and Stripe payments.

Other Front-End Projects

Yummy, a place to find any recipe - Weather app - Portfolio Template

Experience

  1. Full-Stack Developer

    Swegit (Paranormal Activities)· Social & Consumer AppsAug 2025 — Present
    • Led the migration from React Native 0.73 to the latest version with Expo
    • Migrated subscription handling to RevenueCat
    • Built haunted locations and social features
    React NativeExpoReactNestJsTypescriptZustandRevenueCatFirebase analyticsFireBase NotificationsCI/CDGithubGit

  2. Frontend Developer

    Caters.sa (E-commerce Catering Services)· E-CommerceApr 2024 — Mar 2025
    • Built a restaurant dashboard serving 50+ restaurants
    • Developed offline order management flows
    • Created a super admin panel
    ReactReal-time ordersDashboardsCMSNextJsRedux toolkitWebhooks

  3. Mobile App Developer

    Snacken (E-commerce Food Delivery)· E-CommerceMar 2023 — Apr 2024
    • Built the company’s mobile app from scratch using React Native and Expo
    • Optimized component rendering and state management
    • Built real-time delivery tracking
    React NativeExpoEASZustandReactNextJsNestJS

  4. Full-Stack Developer Intern

    CrossWorkers (E-learning)· EdTechSep 2022 — Feb 2023
    • Built and customized React UI components
    • Created and optimized .NET API endpoints
    • Refactored the video player UI
    React.NETDockerStyled ComponentsRedux toolkitAzure DevOPS
Education

  1. Bachelor of Software Engineering

    German University in CairoCairo, Egypt2020 — 2025
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