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Mohamed Jaber
From Portugal
$30/hr

Active 2 hours ago


Member since Apr 2026

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iOS Software Engineer

iOS Developer
Available for hire
Years of experience
6+ years
Experience level
Senior
Available for
Full-time, Part-time, Contract, Freelance

Senior iOS Engineer with 6+ years of experience building high-performance mobile applications used by millions of users worldwide. Specialized in Swift, SwiftUI, BLE communication, and real-time data systems, with deep expertise in scalable iOS architectures and production-grade mobile integrations. Proven track record of improving performance, reliability, and user experience across consumer and connected-device applications.

Employment History

iOS Engineer at Pixida GmbH – Porto, Portugal Current 2023 - Now
BMW Motorrad Connected App • Led end-to-end integration of a new BMW wearable BLE device (Comp1) from scratch, implementing communication protocols, data parsing, and real-time sync with the mobile app. • Architected and optimized BLE communication layer for BMW Motorrad wearables, reducing device pairing time by 30% and improving connection stability across multiple motorcycle models. • Improved offline navigation reliability and search performance by optimizing TomTom SDK integration, reducing route loading time and improving usability in low-connectivity riding scenarios. • Reduced crash rate by identifying and fixing critical production issues using Crashlytics and logging tools, improving overall app stability and release confidence. • Improved offline navigation reliability and search performance by optimizing TomTom SDK integration, reducing route loading time.
iOS Engineer at Etisalat – Cairo, Egypt 2022 - 2023
• Delivered customer-facing features in cross-functional agile squads for a telecom app serving millions of users, ensuring performance, stability, and reliable releases at scale. • Redesigned key UI flows using SwiftUI and Apple’s Human Interface Guidelines, improving usability and modernizing legacy UIKit screens. • Led migration of legacy Objective-C modules to Swift, improving maintainability and achieving up to 2.6× performance gains in critical flows.
iOS Engineer at Kayyo – Los Angeles, CA (Part-time) 2022 - 2025
• Co-designed and built the Kayyo iOS app from scratch using SwiftUI and UIKit, supporting a user base approaching 1 million users. • Owned the full app lifecycle — from architecture and feature delivery to performance optimization and App Store releases — for a large-scale fitness platform with nearly 1M users. • Continuously shipped performance improvements and new features, maintaining high app responsiveness and user engagement across frequent releases.
iOS Engineer at Epic Systems – Cairo, Egypt 2020 - 2022
• Improved unit and UI test coverage and participated in rigorous peer code reviews to maintain high production quality and reduce regression issues. • Researched and introduced modern iOS technologies and best practices to the team, supporting the adoption of improved architectural patterns.

Education

Bachelor of Computer Science at Assuit University 2015 - 2020