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Ahmed Medhat

Senior Mobile Software Engineer (React Native)

I lead mobile products end to end and work across the stack when the product needs it: React Native, Swift, Kotlin, NestJS and Next.js.

Based in Cairo, working remotely with teams in the UK, Germany and Saudi Arabia.

Email me LinkedInGitHub
monthly users
200k+
crash free users
99.9%
languages shipped
21
products live on both stores
4
first production app
2021

Selected work

Experience

  1. Senior Mobile Engineer · Ignition

    2026 to now

    I own the Ecostrad smart heater app on iOS and Android, including its native Swift and Kotlin IoT modules.

  2. Mobile Lead · MSP

    2024 to now · part time

    I built and lead the customer and specialist booking apps from the first commit.

  3. Senior Mobile Engineer · ZEISS

    2024 to 2026

    Top contributor to ZEISS SECACAM, used by more than 200,000 people a month across Europe.

  4. React Native Developer · IKEN Technology

    2021 to 2024

    Rewrote the EFG Hermes events app in React Native and mentored four engineers.

How I work

I write a short spec before I build, use AI coding agents for the heavy lifting, and review every line. I review my teammates' code, set up the guardrails (types, lint, CI), mentor when I can, and I watch the numbers after release.

Skills

Mobile
React Native, Expo, TypeScript, JavaScript, Reanimated, Expo Router, Redux Toolkit, Zustand, TanStack Query
Native
Swift, Kotlin, Objective-C, Java, Expo Modules, Bluetooth (BLE), IoT, New Architecture
Web and Backend
Next.js, React, Angular, NestJS, Node.js, PostgreSQL, REST, GraphQL
Delivery and Quality
Fastlane, GitHub Actions, Azure DevOps, OTA updates, Firebase, Crashlytics, Sentry, Jest, React Native Testing Library, Detox, Appium