Mobile development expert with 10+ years of experience building Android and iOS applications using both native technologies (Java, Kotlin, Swift) and Flutter. My work spans the full development lifecycle—from requirements gathering, business analysis, and database design to backend development, app publishing, and post-launch support. I have successfully delivered apps across various industries, with expertise in: • Native & Flutter mobile development • REST APIs, Firebase, Google Maps, and third-party integrations • Backend systems with PHP and Python • Database design (MySQL, SQL Server, Firestore) • Publishing and maintaining apps on Google Play and App Store I thrive in dynamic, remote team environments and enjoy collaborating with cross-functional teams to build impactful, user-centric apps that scale. I’m now seeking long-term opportunities where I can leverage my technical expertise and leadership skills to deliver high-quality mobile solutions.

Saeed Mostafa

Mobile development expert with 10+ years of experience building Android and iOS applications using both native technologies (Java, Kotlin, Swift) and Flutter. My work spans the full development lifecycle—from requirements gathering, business analysis, and database design to backend development, app publishing, and post-launch support. I have successfully delivered apps across various industries, with expertise in: • Native & Flutter mobile development • REST APIs, Firebase, Google Maps, and third-party integrations • Backend systems with PHP and Python • Database design (MySQL, SQL Server, Firestore) • Publishing and maintaining apps on Google Play and App Store I thrive in dynamic, remote team environments and enjoy collaborating with cross-functional teams to build impactful, user-centric apps that scale. I’m now seeking long-term opportunities where I can leverage my technical expertise and leadership skills to deliver high-quality mobile solutions.

Available to hire

Mobile development expert with 10+ years of experience building Android and iOS applications using both native technologies (Java, Kotlin, Swift) and Flutter. My work spans the full development lifecycle—from requirements gathering, business analysis, and database design to backend development, app publishing, and post-launch support.

I have successfully delivered apps across various industries, with expertise in:
• Native & Flutter mobile development
• REST APIs, Firebase, Google Maps, and third-party integrations
• Backend systems with PHP and Python
• Database design (MySQL, SQL Server, Firestore)
• Publishing and maintaining apps on Google Play and App Store

I thrive in dynamic, remote team environments and enjoy collaborating with cross-functional teams to build impactful, user-centric apps that scale. I’m now seeking long-term opportunities where I can leverage my technical expertise and leadership skills to deliver high-quality mobile solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Arabic
Advanced

Work Experience

Mobile Developer (Freelance) at Freelancer / Upwork
January 1, 2016 - Present
Developed Android and iOS applications for clients including large organizations; built integrations with REST APIs, location-based features, data analytics, mCommerce, Bluetooth communications and games. Technologies included Android (Java/Kotlin), iOS (Swift), Flutter; APIs & Integrations: REST APIs, Google Maps, Firebase (Crashlytics, Analytics, Authentication, Push Notifications/Cloud Messaging), OneSignal; Databases: MySQL, SQL Server, Firebase Realtime Database, Firestore; Backend: PHP, Python.
BSS & OSS Solutions Architect at Etisalat Global Services
September 1, 2025 - September 27, 2025
Designs solutions for Carrier & Wholesale, Corporate Quality & Engineering demands; manages business & IT teams to ensure requirements gathering and solution quality; collaborates with IT to document and architect solutions fulfilling business needs.
Head of Center Of Excellence at CIT - Center Of Excellence
August 1, 2023 - September 27, 2025
Leads IT operations, center of excellence; responsible for operations and support teams; manages BI & Database Administration in addition to Service Analyst; designs operational & monitoring solutions to fulfill KPIs and ensure smooth customer experience.
Senior Manager – IT Applications & Integration Services at Etisalat Misr
June 1, 2022 - September 27, 2025
Leads IT Applications & Integration Services team maintaining Etisalat Egypt Production applications and services that include My Etisalat, eShop, Portals, Etisalat Cash and Vasa applications, Payment Gateway, Contact Center, TIBCO, Billing, EMA, CRM Applications and Loyalty Systems. Reports on system availability and performance and communicates incidents/outages to CIO and C-Level.
Senior Manager – BSS Solutions & Integration at Etisalat UAE
July 1, 2018 - September 27, 2025
Leads billing experts to drive billing systems solutions according to Etisalat's strategy and business plans. Manages projects with demand, project management & transformation teams in addition to self-initiated projects. Supports operations by developing automation tools to facilitate production support and meet IT KPIs.
Senior Solution Architect at Ericsson
April 1, 2016 - September 27, 2025
Leads End-to-End sales support functions to achieve unit business goals. Defines End-to-End Solutions portfolio (BSS, CS, EMA, CRM, OMS) and qualified PPP solutions/services. Designs Telco OSS/BSS solutions to support pre-sales engagements and proposals across MEA focusing on Revenue Management, Convergent Charging & Billing, Unified Customer Care & fulfilment and CRM driven by operator’s requirements, current solutions and market needs.
Senior System Analyst – IT Demand & Architecture at Etisalat Misr
July 1, 2009 - September 27, 2025
Receives and defines required IT products across all IT systems, ensures requirements are fulfilled and with no impact on current systems and customers. Defines architectural integrity and end-to-end solutions.
Senior System Analyst – Billing Customer Care & Provisioning at Etisalat Misr
September 1, 2008 - September 27, 2025
Billing, provisioning and customer care related system analysis and provisioning.
Software Developer at ARIA Systems
August 1, 2005 - September 27, 2025
Software development role.
Software Developer at Microtech
April 1, 2004 - September 27, 2025
Software development role.
Head of Department (HOD) at Center of Excellence, CIT Verish
August 1, 2023 - September 27, 2025
Lead and manage a team of IT experts responsible for Operations & Support. Designed solutions for Carrier & Wholesale, Corporate Quality & Engineering Demand; managed business & IT teams; ensured IT KPI attainment and smooth operations.
Senior Manager – IT Application & Integration Services at Etisalat Misr
June 1, 2022 - September 27, 2025
Led a team of IT experts to maintain Etisalat Egypt Production applications including MyEtisalat, eShop, Portal, Etisalat Cash, Payment Gateway, CRM applications and related services; reported system availability and performance statistics and coordinated incidents with CIO and executive stakeholders.
Senior Manager – BSS Solutions & Integration at Etisalat UAE
July 1, 2018 - September 27, 2025
Led BSS solutions & integration programs, shaped pre-sales engagements, revenue management, and alignment of charging & billing with operator requirements; oversaw CRM, OSS/BSS domains and related programs.
Senior Solutions Architect at Ericsson
April 1, 2016 - September 27, 2025
Led End-to-End Solutions portfolio and supported pre-sales engagements; defined architecture for OSS/BSS solutions; collaborated across regions to meet unit business goals.
Senior System Analyst - IT Demand & Architecture at Etisalat Misr
July 1, 2009 - September 27, 2025
Gathered required projects; designed and maintained architectural integrity of solutions; delivered end-to-end solutions across IT systems.
Senior System Analyst – Billing Customer Care & Provisioning at Etisalat Misr
September 1, 2008 - September 27, 2025
Supported billing, customer care and provisioning systems; ensured availability and performance of core revenue systems; contributed to incident reports and SLA compliance.
Senior Software Developer & Team Lead at ARIA Systems
August 1, 2005 - September 27, 2025
Led software development efforts and team; delivered customer projects across domains; mentored junior developers and ensured code quality.
Mobile Developer (Flutter, Android & iOS) at Freelancer / Upwork
January 1, 2016 - Present
Freelance mobile development for clients worldwide; built Android and iOS apps using Flutter, Java/Kotlin and Swift; integrated REST APIs, location & GPS, Bluetooth, eCommerce features, data analysis apps, mCommerce and games; collaborated with clients on technical specs and delivery timelines.
Head of Department – Center Of Excellence at CIT Vericash
August 1, 2023 - September 27, 2025
Lead and manage a team of IT experts responsible for Operations & Support; maintain IT Digital Stack including mobile applications, servers and backend; manage BI & Database Administration; design operational and monitoring solutions to meet KPIs and ensure smooth customer experience.
Senior Manager – BSS Solutions & Integration at Etisalat Misr
July 1, 2018 - September 27, 2025
Led BSS solutions & integration activities, defined roadmaps, managed projects and transformation teams, and supported pre- and post-sales efforts; focused on delivering enterprise-grade BSS solutions and ensuring alignment with business goals.
Senior Solution Architect at Ericsson
April 1, 2016 - September 27, 2025
Led and managed end-to-end sales support and the Ericsson Solutions Portfolio (BSS/OSS); defined standard solution packages, enabled revenue management, CRM, OSS/BSS domains; engaged with customers across regions and supported pre-sales engagements.
Senior System Analyst – IT Demand & Architecture at Etisalat Misr
July 1, 2009 - September 27, 2025
Managed IT demand and architecture initiatives; collaborated with stakeholders to define architectural integrity and ensure alignment with business needs.
Senior System Analyst – Billing, Customer Care & Provisioning at Etisalat Misr
September 1, 2008 - September 27, 2025
Supported billing, customer care and provisioning systems; tracked incidents/outages; analyzed system availability and performance to drive improvements.
Software Developer at ARIA Systems
August 1, 2005 - September 27, 2025
Software development role focusing on enterprise solutions and system integration.
Software Developer at Microtech
April 1, 2004 - September 27, 2025
Software development duties contributing to product development and maintenance.

Education

Bachelor of Computer & Systems Engineering at Ain Shams University
January 1, 1996 - January 1, 2001
The Art of Marketing Diploma at Regional IT Institute (RITI)
January 1, 2010 - January 1, 2010
Bachelor of Computer & Systems Engineering at Ain Shams University
January 1, 1996 - January 1, 2001
The Art of Marketing Diploma at Regional IT Institute (RITI)
January 1, 2010 - September 27, 2025
Bachelor of Computer & Systems Engineering at Ain Shams University
January 1, 1996 - January 1, 2001
Diploma in Marketing at Regional IT Institute (RITI)
January 1, 2010 - January 1, 2010

Qualifications

Scrum Master Certificate
January 1, 2020 - September 27, 2025
Sales Opportunity Creation
January 1, 2015 - September 27, 2025
Ericsson Excellence Program
January 1, 2014 - September 27, 2025
Ericsson ETOM
January 1, 2013 - September 27, 2025
Leadership Assessment
January 1, 2013 - September 27, 2025
Scrum Master Certificate
January 1, 2020 - September 27, 2025
Ericsson Sales Excellence Program
January 1, 2014 - September 27, 2025
ETOM (Business Process Framework)
January 1, 2013 - September 27, 2025
Level 1 Leadership Assessment
January 1, 2013 - September 27, 2025
TIBCO Designer 5.2 & Administrator
January 1, 2008 - September 27, 2025
Situational Frontline Leadership
January 1, 2010 - September 27, 2025
Scrum Master Certificate
January 1, 2020 - September 27, 2025
Ericsson Sales Excellence Program
January 1, 2014 - September 27, 2025
Level 1 Leadership Assessment
January 1, 2013 - September 27, 2025
eTOM (Business Process Framework)
January 1, 2013 - September 27, 2025

Industry Experience

Telecommunications, Software & Internet, Professional Services, Media & Entertainment, Computers & Electronics
    paper Basket App

    Description:
    Led the implementation and setup of a marketplace app for stores, enabling them to use the app as a sales channel for their products. I was responsible for the complete development lifecycle, from app setup and customization to backend integration and deployment.
    My Role & Contributions:
    • Developed the app in Flutter, delivering a consistent experience across iOS and Android.
    • Integrated location-based store detection, enabling users to browse products based on nearby stores.
    • Customized and extended the FluxStore template to match client requirements.
    • Set up backend with WordPress & WooCommerce for product, order, and payment management.
    • Published and maintained the app in both Play Store and App Store.
    Technical Stack:
    • Flutter
    • Location-Based Store Detection
    • WordPress & WooCommerce
    • FluxStore Template

    paper Vehicle Health Monitor App

    Description:
    A comprehensive mobile application developed for dealerships and end-users to streamline vehicle maintenance and monitoring. The app provides:
    • Service Booking: Users can schedule service appointments directly through the app.
    • Vehicle Health Monitoring: Connects to OBD-II devices via Bluetooth to retrieve and display real-time vehicle health statistics, syncing data with the user’s profile in the dealer’s database.
    • Service Recommendations & Maintenance History: Displays recommended services and detailed maintenance history pulled from the dealer’s system.
    • Dealer Safety Check: Enables dealer agents to perform car safety inspections using predefined templates during maintenance visits.
    • The app supports dual profiles — one for end-users and one for dealer agents, each with customized functionalities.
    Technical Stack:
    • Mobile Development: Android (Java/Kotlin), iOS (Swift)
    • Database: SQL Server
    • Backend Services: Custom web services (RESTful API with JSON)
    • Hardware Integration: Bluetooth communication with OBD-II devices
    • Additional Integrations: Google Maps for dealer location services and navigation
    Role:
    Led critical areas of development including:
    • Database schema design and backend web service development
    • Bluetooth connection and real-time data synchronization from OBD-II devices
    • Front-end UI development for both Android and iOS platforms
    • JSON parsing and API integration
    • Google Maps integration for enhanced user experience
    • Ongoing enhancement and feature additions across both platforms

    paper Digital Inspection Tablet App

    Description:
    A robust tablet application designed to assist facility auditors during on-site inspections. The app enables auditors to complete checklists, add comments and photos, capture specialist signatures, and automatically generate detailed PDF reports, which are then distributed via email to stakeholders.
    Technical Stack:
    • Mobile Development: Android (Java & Kotlin)
    • Backend Development: Python
    • Database: SQL Server
    • Cloud Integration: Firebase (Analytics, Crashlytics)
    • System Administration: Linux server management
    • Dashboard & Reporting: Metabase for dynamic dashboards
    • Monitoring Tools: UptimeRobot for system health monitoring
    Role:
    Led the end-to-end (E2E) design and development of the mobile application, including:
    • Gathering and analyzing business requirements
    • Designing and implementing the database schema and web services
    • Developing the mobile app and backend services
    • Post-launch support and client training
    • Implemented dashboards for real-time analytics and integrated system monitoring solutions to ensure app reliability

    paper Dr, Pets

    Dr. Pets (Flutter):
    Description:
    I was fully responsible for implementing and setting up a complete marketplace iOS & Android app for selling pet products. This included everything from project setup, architecture, and backend integration to publishing on the Play Store and App Store.
    My Role & Contributions:
    • Designed and implemented the mobile app using Flutter for both iOS and Android.
    • Set up the backend using WordPress & WooCommerce to handle product catalog, orders, and payments.
    • Integrated Firebase services for crash reporting, push notifications, and analytics.
    • Managed app store deployments and post-launch support.
    • Ensured seamless user experience with a clean UI and optimized performance.
    Technical Stack:
    • Flutter
    • WordPress & WooCommerce
    • Firebase Integration
    App Links (App removed but previously live):
    • Company Website:
    o https://www.twine.net/signin

    paper IGMG Mobile App:

    Overview:
    The IGMG Mobil app provides prayer times, Qibla direction, Islamic calendars, and location-based services tailored for Muslims worldwide. Built using Flutter, the app ensures a smooth and responsive user experience with rich features and seamless cross-platform performance
    Key Features:
    • Location-Based Prayer Times: Automatically fetches accurate daily prayer times based on the user’s location.
    • Google Maps Mosque Locator: Integrated Google Maps to display nearby mosques, with the ability to view details by tapping on the map.
    • Qibla Compass: A real-time compass showing the direction of the Kaaba using device sensors.
    • Islamic Calendar Integration: Supports Hijri-Gregorian conversion and key Islamic event notifications.
    • Android Home Screen Widget: Displays prayer times directly on the user’s home screen, with dark mode support.
    • Multi-language Support: Offers content in several languages including German, Turkish.
    • Push Notifications: Timely prayer alerts and event reminders.
    • Optimized Performance: Lightweight, responsive, and designed for high performance on low-end devices.
    Technologies Used:
    • Flutter & Dart
    • Firebase (Crashlytics, Messaging)
    • Riverpod for state management
    • SharedPreferences for persistent storage
    • Platform-specific widget integration (Android & iOS)
    My Contributions:
    • Architected the entire Flutter codebase.
    • Integrated native Android widgets and iOS WidgetKit.
    • Implemented responsive UI and multi-language support.
    • Worked on background task handling for timely updates.
    • Deployed and maintained the app on the Play Store.
    App Links
    https://www.twine.net/signin
    https://www.twine.net/signin

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