Summary
Overview
Work History
Education
Skills
Open To
Websites
Personal Information
Notable Projects
Core Skills
Timeline
Generic

Mohammed Zaid

Ismailia

Summary

Dynamic mobile development leader with a proven track record at Apollo Scooters, enhancing app ratings from 2.0 to 4.5+. Expert in Kotlin and Agile methodologies, I excel in delivering innovative solutions and mentoring teams, driving user engagement through advanced features and performance optimization. Passionate about creating impactful user experiences.

Overview

11
11
years of professional experience

Work History

Founder & Technical Lead

Retrack
Ismailia
01.2023 - Current
  • Built an all-in-one workspace and café POS app, including ticketing, session tracking, drink inventory, QR codes, and Firebase backend.
  • Designed and developed Scoova, a smart scooter app supporting voice commands, diagnostics, and live ride dashboards using Jetpack Compose.
  • Led branding, UI/UX, and marketing strategy using AI-generated content, responsive designs, and app automation.

Mobile Development Team Lead

Apollo Scooters
02.2022 - 05.2025
  • Led the architecture, development, and release of native Android and iOS apps, replacing a failing React Native app and boosting store ratings from 2.0 to 4.5+.
  • Built an advanced BLE SDK for scooter communication using Kotlin, supporting real-time speed/battery data, firmware updates, PIN control, and stolen mode.
  • Designed cross-platform voice assistant features using offline libraries (DeepSpeech, Vosk).
  • Delivered technician features, customer diagnostics tools, ride recording with map data, and remote firmware/parameter control over BLE.
  • Owned the entire firmware update system (display + controller), integrating OTA flows, wizard checklists, and cloud-synced versions.
  • Built AI-powered behavior trackers to record user interaction data for ride analytics and support reports.
  • Mentored new engineers, led code reviews, collaborated cross-functionally with backend, design, and CX teams.
  • Worked in Agile environments with 2-week sprints, daily stand-ups, and backlog grooming via Jira.
  • Used GitHub flow for branching, code reviews, and CI/CD pipelines to ensure high code quality and fast delivery.

Freelancer / Independent Consultant

01.2015 - 01.2022
  • Developed Android apps for logistics and shipping companies, including real-time tracking, notifications, and multi-role dashboards.
  • Delivered over 20+ apps with clean codebases, scalable backends, and modular UI systems.
  • Specialized in Firebase integrations, location tracking, offline support, and Stripe payments.

Education

B.Sc. - Computer Software Engineering

Suez Canal University
01.2005

Skills

  • kotlin
  • Coroutines
  • swift
  • XML
  • KMM
  • MVVM
  • OOP
  • Clean architecture
  • Modularization
  • Offline-first
  • Git
  • GitHub
  • GitLab CI/CD
  • Fastlane
  • Firebase
  • Google Maps SDK
  • Stripe
  • Agile
  • Scrum
  • Jira
  • Unit testing
  • Code review
  • TDD (test-driven development)
  • Android services
  • Push notifications
  • Performance optimization
  • Crash analytics
  • Figma
  • Adobe XD

Open To

  • Remote roles in Canada, USA, Europe
  • Staff or Lead Android Engineer positions
  • Mission-driven companies solving real-world tech challenges at scale

Personal Information

Title: Senior Mobile Engineer (Android & iOS) | BLE SDK Specialist | Product-Focused Technical Leader

Notable Projects

  • Scoova Smart Scooter App, Voice-powered Android app for scooter control, built with Kotlin and BLE SDK. Supports dashboard visualization, offline assistant, live ride stats, firmware updates, and real-time base/monitor data.
  • Apollo Scooter App Revamp, Native Kotlin & Swift rewrite with BLE SDK integration. Features: scooter addition flow, stolen mode, ride analytics, firmware wizard, and CX diagnostic support system.

Core Skills

Kotlin, Coroutines, Swift, XML, KMM, MVVM, OOP, Clean Architecture, Modularization, Offline-first, Git, GitHub, GitLab CI/CD, Fastlane, Firebase, Google Maps SDK, Stripe, Agile, Scrum, Jira, Unit Testing, Code Review, TDD (Test-Driven Development), Android Services, Push Notifications, Performance Optimization, Crash Analytics, Figma, Adobe XD

Timeline

Founder & Technical Lead

Retrack
01.2023 - Current

Mobile Development Team Lead

Apollo Scooters
02.2022 - 05.2025

Freelancer / Independent Consultant

01.2015 - 01.2022

B.Sc. - Computer Software Engineering

Suez Canal University

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Mohammed Zaid