Mohamed Jaber

Senior iOS Engineer with 6+ years of experience designing, building, and shipping high-performance mobile applications used by millions of users worldwide. Specialized in Swift, SwiftUI, Objective-C, BLE communication, and real-time data systems, with deep expertise in scalable iOS architecture, connected-device integration, and production-grade mobile delivery. Proven record of reducing crash rates, improving app performance, and leading features end-to-end across consumer and connected-device applications.

Senior iOS Engineer at Pixida GmbH (2023-07 – Present)

• Led end-to-end integration of a new BMW wearable BLE device (Comp1) from the ground up, delivering the communication protocol, data-parsing layer, and real-time sync with the mobile app ahead of launch.
• Architected and optimized the BLE communication layer for BMW Motorrad wearables, reducing device pairing time by 30% and improving connection stability across multiple motorcycle models.
• Reduced production crash rate by 35% by identifying and resolving critical issues via Crashlytics and internal logging tools, increasing release confidence for the Scrum team.
• Improved offline navigation reliability by optimizing the TomTom SDK integration, cutting route-loading time by 40% and improving usability in low-connectivity riding scenarios.
• Delivered consistently on a Scrum team using Swift, Combine, MapKit, and Firebase, supporting 10 on-time release cycles per year.

iOS Engineer at Etisalat (2022-09 – 2023-07)

• Delivered customer-facing features for a telecom app serving millions of active users, partnering with cross-functional agile squads to maintain performance and release stability at scale.
• Redesigned key UI flows using SwiftUI and Apple's Human Interface Guidelines, modernizing legacy UIKit screens and reducing user-reported UI issues by 28%.
• Led migration of legacy Objective-C modules to Swift, improving maintainability and achieving up to 2.6x performance gains in critical app flows.
• Mentored 4 engineers on Swift best practices during the migration, accelerating team-wide adoption of modern iOS patterns.

iOS Engineer at Kayyo (2022-07 – 2025-07)

• Co-designed and built the Kayyo iOS app from scratch using SwiftUI and UIKit, scaling the platform to a user base approaching 950,000 users.
• Owned the full app lifecycle for a large-scale fitness platform — architecture, feature delivery, performance optimization, and App Store releases.
• Shipped 5 major feature releases per year while maintaining high app responsiveness, contributing to a 22% increase in user engagement.
• Maintained an App Store rating of 4.7/5 across releases by prioritizing performance and stability fixes.

iOS Engineer at Epic Systems (2020-01 – 2022-08)

• Increased unit and UI test coverage from 45% to 85%, reducing regression issues reaching production and improving release quality.
• Participated in rigorous peer code reviews, helping catch an average of 7 defects per release cycle before merge.
• Researched and introduced modern iOS technologies and architectural best practices, driving adoption of Combine + MVVM-C and improving development velocity by 20%.

iOS Engineer at Yackeen Solutions (2021-11 – 2022-06)

• Developed, maintained, and deployed 3 iOS apps using Swift for healthcare and e-commerce clients, ensuring on-time delivery.
• Applied clean-code practices and performance-focused engineering, improving initial app load time by 18% and reducing memory-related crashes by 15%.

B.Sc. in Computer Science – Assiut University (2015-09 – 2020-07)

iOS Bootcamp in iOS Development – Udemy (2019-06 – 2019-09)