• Developed a comprehensive food delivery and nutrition app offering personalized meal planning, expert consultations, and lifestyle tracking. • Implemented Google Maps integration, multiple payment methods (Cards, Google Pay, Apple Pay), localization, and an interactive features. • Built with Flutter following clean architecture principles, ensuring scalability, maintainability, and high performance. • Managed the full product lifecycle: development, testing, optimization, and store deployment.
Mobile Developer
Available for part-time
Bio
Kareem T. is an exceptional candidate for any organization looking for a skilled mobile application developer. He is proficient in a variety of technologies, including Flutter, Google Maps, Google Pay, Apple Pay, Dart, Firebase, and payment integrations, among others. With significant experience at companies like 5D Information Technology Solutions and Qubefyn Company, Kareem has demonstrated his ability to independently develop custom applications, such as food delivery and finance management apps, while also excelling as…
Expertise
FlutterGitJavascript
Video Intro
Assessments
Great score on Debug and Enhance Weather Forecast Feature, Difficulty Medium · Great score on Debug and Enhance Event Fetching Feature, Difficulty Medium · Great score on Manage State in Flutter with Nested Components, Difficulty Medium · Great score on Design as Efficient API Integration Strategy for E-Commerce, Difficulty Medium
Projects
QubeCommerce App & Admin Panel
A dynamic investment app enabling users to explore, track, and manage financial deals.
QubeAnalytics SDK (Flutter Package)
Private advanced Flutter package for comprehensive user behavior tracking from entry to exit.
Speedo-life
Responsive e-commerce app with categorized browsing and localization.
Qube POS System
• Developed a robust POS & ERP platform for restaurants, cafés, and similar businesses, handling full order lifecycle, kitchen and inventory management, and role-based workflows for managers, waiters, chefs, and staff. • Implemented synchronized receipt printing across multiple printers. • Delivered a scalable solution that achieved widespread adoption and success in the Saudi market, serving multiple restaurants, cafés, and Egyptian outlets. • Focused on performance, reliability, and user-centric design, enabling businesses to streamline operations and improve efficiency.
Experience
Mobile Application Developer
5D Information Technology Solutions· Enterprise & SaaSApr 2025 — Jan 2026- Independently built a custom food delivery app with Google Maps and in-app payments
- Developed a corporate finance management app
FlutterGoogle MapsGoogle PayApple PayCards paymentClean architecturestate managementLocalizationFlutter Developer
Qubefyn Company· Enterprise & SaaSDec 2024 — Jul 2025- Built custom e-commerce apps and a cross-platform POS system
- Promoted to Team Lead for driving technical growth
- Built investment app and private analytics flutter SDKs
FlutteriOSAndroidpaymentDartanalyticsFirebaseLocalizationFlutter Developer intern
Iraq Soft Company· Enterprise & SaaSNov 2024 — Dec 2024- Designed and developed responsive applications with intuitive user interfaces
FlutterFlutter Developer
Bexel Inspection SoftwareFeb 2026 — Present- Contributed to building an offline-first inspection system capable of processing and managing large-scale data with high performance and reliability.
FlutterDraftSqlite
Education
Bachelor of Electronics & Communications Engineering
Zagazig UniversityCairo, Egypt2019 — 2024
Mobile Developer
Available for part-time
Kareem is available for hire
Schedule an interview14 days risk-free trial · No commitments · We handle contracts and payroll
Bio
Kareem T. is an exceptional candidate for any organization looking for a skilled mobile application developer. He is proficient in a variety of technologies, including Flutter, Google Maps, Google Pay, Apple Pay, Dart, Firebase, and payment integrations, among others. With significant experience at companies like 5D Information Technology Solutions and Qubefyn Company, Kareem has demonstrated his ability to independently develop custom applications, such as food delivery and finance management apps, while also excelling as…
- Projects completed6
- Hourly rate
- 0-2 years experience
- Cairo
- Member since Sep 2025
Industries
Enterprise & SaaS
Expertise
FlutterGitJavascript
Video Intro
Assessments
Great score on Debug and Enhance Weather Forecast Feature, Difficulty Medium · Great score on Debug and Enhance Event Fetching Feature, Difficulty Medium · Great score on Manage State in Flutter with Nested Components, Difficulty Medium · Great score on Design as Efficient API Integration Strategy for E-Commerce, Difficulty Medium
Projects
• Developed a comprehensive food delivery and nutrition app offering personalized meal planning, expert consultations, and lifestyle tracking. • Implemented Google Maps integration, multiple payment methods (Cards, Google Pay, Apple Pay), localization, and an interactive features. • Built with Flutter following clean architecture principles, ensuring scalability, maintainability, and high performance. • Managed the full product lifecycle: development, testing, optimization, and store deployment.
QubeCommerce App & Admin Panel
A dynamic investment app enabling users to explore, track, and manage financial deals.
QubeAnalytics SDK (Flutter Package)
Private advanced Flutter package for comprehensive user behavior tracking from entry to exit.
Speedo-life
Responsive e-commerce app with categorized browsing and localization.
Qube POS System
• Developed a robust POS & ERP platform for restaurants, cafés, and similar businesses, handling full order lifecycle, kitchen and inventory management, and role-based workflows for managers, waiters, chefs, and staff. • Implemented synchronized receipt printing across multiple printers. • Delivered a scalable solution that achieved widespread adoption and success in the Saudi market, serving multiple restaurants, cafés, and Egyptian outlets. • Focused on performance, reliability, and user-centric design, enabling businesses to streamline operations and improve efficiency.
Experience
Mobile Application Developer
5D Information Technology Solutions· Enterprise & SaaSApr 2025 — Jan 2026- Independently built a custom food delivery app with Google Maps and in-app payments
- Developed a corporate finance management app
FlutterGoogle MapsGoogle PayApple PayCards paymentClean architecturestate managementLocalizationFlutter Developer
Qubefyn Company· Enterprise & SaaSDec 2024 — Jul 2025- Built custom e-commerce apps and a cross-platform POS system
- Promoted to Team Lead for driving technical growth
- Built investment app and private analytics flutter SDKs
FlutteriOSAndroidpaymentDartanalyticsFirebaseLocalizationFlutter Developer intern
Iraq Soft Company· Enterprise & SaaSNov 2024 — Dec 2024- Designed and developed responsive applications with intuitive user interfaces
FlutterFlutter Developer
Bexel Inspection SoftwareFeb 2026 — Present- Contributed to building an offline-first inspection system capable of processing and managing large-scale data with high performance and reliability.
FlutterDraftSqlite
Education
Bachelor of Electronics & Communications Engineering
Zagazig UniversityCairo, Egypt2019 — 2024
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