Ahmed Rabie Mo.
Riyadh
Summary
Senior Software Engineer with over 9 years of expertise in mobile development, specializing in Swift / AI and CI/CD practices. Played a key role in developing a unicorn app that serves millions of users, focusing on user-centric interface design. Proven ability in performance optimization and image processing, enhancing application efficiency. Collaborated effectively with cross-functional teams, including business and marketing, to deliver successful product outcomes.
Overview
9
9
years of professional experience
Work History
Senior IOS | Flutter Engineer
Upwork [Core Team]
05.2022 - Current
- Developed native mobile experiences for apps serving 30M+ users by leveraging Swift UI and Flutter, optimizing performance and enhancing user experience.
- Led integration of Flutter AI architecture and reusable components, enabling automated screen migration that reduced manual outmigration by 60%, significantly accelerating platform transitions.
- Utilized Swift UI and Combine to streamline development, reducing UI load time by 30% and improving interface responsiveness.
- Integrated dark mode support into the app's design system, increasing user satisfaction by 20% and ensuring a seamless experience across environments.
- Spearheaded performance optimization efforts, reducing app load times by 30% and crash rates by 10% through memory management and code refactoring.
- Implemented 500+ unit, UI, and snapshot tests, achieving 95% test coverage to maintain high code quality and early detection of issues.
- Provided feedback on 400+ PRs during code reviews, improving code maintainability and reducing technical debt.
- Configured and maintained CI/CD pipelines using Jenkins, reducing deployment time by 40% and ensuring continuous app updates with minimal downtime.
- Apps: Upwork for Freelancers, Upwork for Clients
Senior IOS Software Engineer
Halan
Cairo
02.2019 - 10.2022
- Joined Halan as one of 10 engineers, contributing to its growth into a unicorn app serving millions of users. Managed a team of 3 engineers, overseeing project milestones and mentoring team members in iOS development best practices.
- Built custom native user interfaces using the latest iOS standards and techniques.
- Created reusable components applied to iOS applications throughout the organization.
- Designed databases using Core Data and implemented background fetch using backgrounding API.
- Implemented map features to view photos on the map using Google Maps and Core Location.
- Apps: Halan.
Senior iOS Engineer
Ureed
UAE
01.2018 - 01.2019
- Created technical documents, user guides, and support documentation.
- Collaborated with local and remote mobile engineers, server-side teams, Product Management, Design, and QA as part of a cohesive team.
- Demonstrated a solid grasp of algorithms, memory management, object-oriented programming, MVC, and concurrent programming.
- App: Ureed.
iOS Engineer
PentaValue
Cairo
04.2017 - 01.2018
- Created technical documents, user guides, and support documentation.
- Collaborated with local and remote mobile engineers, server-side teams, Product Management, Design, and QA as part of a cohesive team.
- Demonstrated a solid grasp of algorithms, memory management, object-oriented programming, MVC, and concurrent programming.
- App: Rak'a, TVQuran, ...etc
IOS Engineer
PentaValue
Cairo
04.2016 - 04.2017
- Developed new features and enhancements for proprietary Android applications for both phone and tablet platforms.
- Designed, developed, and implemented user-focused features with an emphasis on clean architecture, scalability, and modularity.
- Conducted comprehensive unit and UI testing to ensure high-quality, reliable application performance.
- Collaborated with the product management team to deliver on both long-term goals and short-term milestones.
- Applied business rules to effectively format and present data in the UI, ensuring consistency with organizational standards.
- Apps: Rak'a Android, TVQuran Android, ...etc
Education
Bachelor's Degree - ComputerScience and Information Technology
ASU
Cairo, Egypt05.2015
Skills
- Swift
- Dart
- C
- Java
- Python
- Flutter
- Groovy
- Jenkins
- Git
- Agile
- Kanban
- Scrum
- MySQL
- MongoDB
Languages
- Arabic, native
- English, professional proficiency
Websites
Timeline
Senior IOS | Flutter Engineer
Upwork [Core Team]
05.2022 - Current
Senior IOS Software Engineer
Halan
02.2019 - 10.2022
Senior iOS Engineer
Ureed
01.2018 - 01.2019
iOS Engineer
PentaValue
04.2017 - 01.2018
IOS Engineer
PentaValue
04.2016 - 04.2017
Bachelor's Degree - ComputerScience and Information Technology
ASU
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