Ă propos de Hajer
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Expériences
- Europcar Mobility GroupiOS Engineering ManagerTRANSPORTSdécembre 2022 - Aujourd'hui (3 ans et 6 mois)Paris, France
- Drive the AI initiative within the software engineering team by piloting tools such as GitHub Copilot, ChatGPT, and Claude to improve developer productivity, streamline workflows, and support innovation.
- Collaborate with Product Managers on new features and squad staffing.
- Collaborate with other engineering managers, technical leads, and stakeholders to align cross-team initiatives.
- Maintain and optimize the CI/CD pipelines, including Bitrise and the migration to Jenkins.
- Maintain and update the technical roadmap for the iOS apps (Europcar and Europcar on demand).
- Ensure the overall code quality, performance, and architecture are in line with best practices.
- Lead talent management for the iOS team, including recruitment, mentorship, annual evaluations via the Career Framework, and setting and tracking quarterly and annual objectives for each developer.
- Organize and lead one-to-one meetings for coaching, feedback, and career development, along with weekly team sharing sessions to address technical challenges, exchange best practices, and explore the latest iOS technologies.
đ ïž Tech Stack- IOS Applications: Europcar, Europcar On Demand
- Languages & Frameworks: Swift 5 (migration to Swift 6 ongoing)
- UI Frameworks: UIKit, SwiftUI (progressive adoption)
- Architecture: Clean Architecture (MVVM, VIPER), SOLID principles
- Dependency Management: Swift Package Manager
- CI/CD & Automation: Bitrise, Jenkins, Fastlane
- Version Control: GitLab (Gitflow workflow, PR reviews)
- Testing: Unit tests, snapshot tests, UI tests
- Release & Deployment: TestFlight, Firebase, SauceLabs
đ Organisation & Workflow- Team Size: 8 iOS developers working in Agile squads/tribes
- Collaboration: Partnered with international teams across Spain, France, and Bangladesh
- Methodology: Agile/Scrum (2-week sprint cycles)
- Tools: Xcode 26, JIRA, GitLab, Figma (UI/UX design), DIdomi, Appsflyer, ContentSquare, Firebase, SonarQube, etc.
- Europcar Mobility GroupLead Ios DeveloperTRANSPORTSjanvier 2020 - novembre 2022 (2 ans et 10 mois)Paris, France
- Led the re-architecture of the iOS app to improve maintainability, scalability, and performance.
- Designed and developed new features aligned with product roadmap and user needs.
- Implemented a robust testing strategy with unit and UI automated tests, ensuring high code quality and reducing regression issues.
- Managed CI/CD pipelines (Bitrise, GitLab), automated build creation, deployments, and execution of tests fully integrated with the teamâs Gitflow workflow.
- Fastlane Expertise: Automated the entire release process, including certificate/provisioning management, build generation, and deployment to TestFlight, Firebase, SauceLabs, and other platforms.
- Guided junior developers, promoted best practices, and facilitated technical skill growth across the iOS team.
- FDJSenior iOS Developermars 2018 - janvier 2020 (1 an et 10 mois)Paris Metropolitan Area, France
- Designed and implemented complex new features to enhance the functionality and user experience of the existing mobile application.
- Contributed to the complete redevelopment of the app from scratch, introducing Kotlin Multiplatform (KMP) to centralize and share business logic across iOS and Android.
- Maintained a fully native presentation layer (Swift/UIKit) to guarantee high performance, platform-specific design fidelity, and a seamless user interface.
- Optimized application performance through efficient concurrency management (GCD), memory usage improvements, and reduced load times.
- Collaborated closely with Android engineers on the cross-platform shared codebase, improving development speed and ensuring feature parity across platforms.
- Tech stack: Swift, UIKit, Kotlin Multiplatform, Android Studio, Xcode, Git, CI/CD (Jenkins), Agile/Scrum. Ref : https://itunes.apple.com/fr/app/parionssport-en-ligne/id360945239?mt=8
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Formations
- Master of Research inHigher Institute of Computer Science2012Master of Research in
- National Engineering Degree inHigher Institute of Computer Science2011National Engineering Degree in