Flutter Developer with over 4 years of experience building scalable cross-platform mobile applications and delivering large-scale production systems. Experienced in clean architecture, offline-first design, efficient state management, and high-performance implementations, including extensive IoT integrations (NFC, BLE, GPS).

Yousef Abdelhalim Khattab

Flutter Developer with over 4 years of experience building scalable cross-platform mobile applications and delivering large-scale production systems. Experienced in clean architecture, offline-first design, efficient state management, and high-performance implementations, including extensive IoT integrations (NFC, BLE, GPS).

Available to hire

Flutter Developer with over 4 years of experience building scalable cross-platform mobile applications and delivering large-scale production systems. Experienced in clean architecture, offline-first design, efficient state management, and high-performance implementations, including extensive IoT integrations (NFC, BLE, GPS).

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Beginner
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Language

Arabic
Fluent
English
Advanced

Work Experience

Mobile Developer at WakeCap Technologies
February 1, 2023 - February 1, 2026
Developed and maintained a large-scale enterprise Flutter application (~410K lines of code) supporting tracking of 150M+ labor hours across construction projects valued at $80B+. Structured a modular monorepo using Melos to improve code organization, reuse, and build/development workflows. Implemented NFC-based worker identification and BLE beacon detection for accurate indoor positioning and real-time workforce tracking. Built an offline-first architecture with reliable local storage, synchronization, and request caching to ensure consistent performance under low/unstable network conditions. Developed core modules such as Equipment Management and Crew Management for asset tracking, workforce assignments, and operational workflows at scale. Integrated AWS IoT services for real-time communication with connected systems and used Firebase tools (Crashlytics, Analytics, Remote Config) to improve monitoring, stability, and reliability. Implemented an Observations module supporting photo cap
Senior Flutter Developer at WakeCap Technologies
February 1, 2023 - February 1, 2026
Developed and maintained a large-scale enterprise Flutter app (~410K lines, 2,000+ files) supporting workforce tracking across construction projects with extensive operational scale. Structured a modular monorepo using Melos to improve organization, reuse, build, and development workflows. Implemented NFC-based worker identification and BLE beacon detection for accurate indoor positioning and real-time tracking. Built an offline-first architecture with reliable local storage, synchronization, and request caching for unstable/low network conditions. Developed core modules including Equipment Management and Crew Management for asset/workforce tracking and operational workflows. Integrated AWS IoT services for real-time communication between mobile devices and connected systems, and utilized Firebase tools such as Crashlytics, Analytics, and Remote Config. Built an Observations module supporting photo capture, digital signatures, and GPS tagging. Implemented internal diagnostics/troublesh
Flutter Developer at Squadio (Magnus App)
July 1, 2022 - October 1, 2022
Developed a full e-commerce mobile application from scratch, implementing Firebase Authentication with OTP verification for secure login. Built a scalable product catalog with categories, subcategories, and advanced filtering to enhance product discovery. Implemented a real-time shopping cart system with dynamic updates and integrated Google Maps for accurate delivery location selection and order processing.
Flutter Developer at Squadio (Ratbli App)
June 1, 2021 - January 1, 2023
Led UI redesign and migrated the app architecture to improve performance by ~30% and reduce load times. Built e-commerce modules including Cart, Checkout, Product Details, and Orders with secure payment processing. Integrated Google Maps SDK for precise address detection, reducing delivery errors by ~25% and improving customer experience. Designed and implemented a Happiness Advisor feature for personalized event recommendations, improving engagement and retention. Collaborated with backend teams to integrate RESTful APIs using Dio, ensuring robust error handling, data consistency, and reliable mobile-server communication.
Flutter Developer Intern at Squadio (Omniful Inventory)
October 1, 2020 - May 1, 2021
Developed reusable UI components and integrated RESTful APIs using Dio, leveraging Provider for efficient state management. Gained hands-on experience with the full Flutter development lifecycle, including mobile architecture patterns, application structure, and performance optimization.
Flutter Developer (Intern) at Squadio (Omniful Inventory)
October 1, 2020 - May 1, 2021
Developed reusable UI components and integrated RESTful APIs using Dio, leveraging Provider for efficient state management. Gained hands-on experience with the full Flutter development lifecycle including mobile architecture patterns, app structure, and performance optimization.

Education

Bachelor of Science in Computer Science at Faculty of Science, Benha University, Egypt
August 1, 2016 - October 1, 2020
Bachelor of Science in Computer Science at Faculty of Science, Benha University
August 1, 2016 - October 1, 2020
Bachelor of Science in Computer Science at Faculty of Science, Benha University
August 1, 2016 - October 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Real Estate & Construction, Retail, Professional Services