← Back to Home

Resume

Last updated: December 2025

Ahmed Medhat

Senior Mobile Engineer
hello@ahmedmedhat.com•ahmedmedhat.com•Cairo, Egypt

Summary

Senior Mobile Engineer with 5+ years of experience specializing in high performance React Native and native mobile architectures. Proven track record of reducing deployment times and optimizing codebase efficiency. Expert in bridging the gap between native (iOS/Android) and cross platform technologies to deliver scalable, user centric solutions. Skilled in leading technical initiatives, mentoring teams, and driving product quality for international enterprises.

Experience

Senior Mobile Engineer (Lead)

Dec 2024 - Present
MSP • Saudi Arabia (Remote)
  • Orchestrated the deployment of 4 production apps (2 Customer, 2 Service Provider) to both iOS App Store and Google Play, managing the entire release lifecycle for the Saudi market.
  • Unified development under a single efficient codebase to power both Customer and Provider applications, significantly reducing maintenance overhead and ensuring feature parity.
  • Spearheaded the consolidation of distinct codebases into a unified white label React Native architecture, reducing code duplication by 35% and accelerating feature delivery.
  • Engineered a cost effective Hot Update mechanism integrated with Supabase, enabling instant delivery of critical patches and bypassing App Store review delays.
  • Established a comprehensive CI/CD pipeline using Fastlane and GitHub Actions, automating TestFlight deployments and reducing manual release time by 90%.
  • Led the integration of complex regional payment gateways (MyFatoorah) and implemented secure key management using native Keychain services.
  • Integrated Sentry for real time error monitoring and performance tracking, enabling proactive resolution of production issues and crash free sessions.

Senior Mobile Engineer

Jun 2024 - Present
Zeiss • Germany (Remote)
  • Optimized mobile performance by developing custom native modules (Objective-C/Java) for react-native-fast-image, implementing advanced caching strategies that improved storage efficiency by 25%.
  • Designed and implemented a high performance modal system, achieving a 40% rendering improvement and resolving critical UI consistency issues across the application.
  • Modernized the CI/CD infrastructure with Azure Pipelines, ensuring reliable versioning, automated publishing, and zero downtime deployments.
  • Enhanced application startup time by implementing lazy loading strategies and Just In Time (JIT) API calls.

React Native Developer

Jan 2021 - Jun 2024
IKEN Technology • Cairo/Kuwait
  • Developed scalable architectures for high profile apps like EFG Hermes using Redux Toolkit and RTK Query, ensuring efficient state management.
  • Integrated real time messaging features using WebSockets (Pusher) and native chat interfaces.
  • Streamlined UI development with NativeWind/TailwindCSS and implemented robust multilingual support (i18n).
  • Achieved 1k+ organic downloads and successfully maintained high rating apps on both App Store and Google Play.

Skills

Mobile & Native

  • React Native (Expert)
  • Expo & EAS
  • Swift (Advanced)
  • Objective-C & Java (Intermediate)
  • Detox (E2E Testing)

Web & Core

  • TypeScript / JavaScript (Expert)
  • React.js / Next.js
  • HTML5 / CSS3
  • GraphQL & REST APIs

DevOps & Tools

  • CI/CD (Fastlane, GitHub Actions, Azure)
  • Git / GitHub
  • Jest / React Testing Library
  • Sentry (Error Monitoring)

Architecture

  • State Management (Redux, RTK Query)
  • Design Systems
  • Performance Optimization

Leadership & Strategy

  • Technical Strategy & Roadmapping
  • Team Mentoring & Code Reviews
  • Agile / Scrum Methodologies
  • Stakeholder Management

Education

Bachelor of Software Engineering

Helwan University • Computer Science and Artificial Intelligence
2018 - 2022