Senior Flutter Engineer with 3+ years shipping production mobile applications to Google Play and the App Store, including a white-label platform of 299 apps from a single codebase. I focus on scalable architecture (BLoC/MVVM), real-time systems, and reliable release automation. I build and maintain cross-platform solutions using Flutter and Dart, integrate payments (Stripe, Google Pay, Apple Pay), and work on native-to-Flutter migrations for incremental rollout with minimal disruption. I also have experience with Firebase, WebSockets, CI/CD via Fastlane, and practical AI integration using Groq API.

Shabbir Hussain

Senior Flutter Engineer with 3+ years shipping production mobile applications to Google Play and the App Store, including a white-label platform of 299 apps from a single codebase. I focus on scalable architecture (BLoC/MVVM), real-time systems, and reliable release automation. I build and maintain cross-platform solutions using Flutter and Dart, integrate payments (Stripe, Google Pay, Apple Pay), and work on native-to-Flutter migrations for incremental rollout with minimal disruption. I also have experience with Firebase, WebSockets, CI/CD via Fastlane, and practical AI integration using Groq API.

Available to hire

Senior Flutter Engineer with 3+ years shipping production mobile applications to Google Play and the App Store, including a white-label platform of 299 apps from a single codebase. I focus on scalable architecture (BLoC/MVVM), real-time systems, and reliable release automation.

I build and maintain cross-platform solutions using Flutter and Dart, integrate payments (Stripe, Google Pay, Apple Pay), and work on native-to-Flutter migrations for incremental rollout with minimal disruption. I also have experience with Firebase, WebSockets, CI/CD via Fastlane, and practical AI integration using Groq API.

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Experience Level

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

English
Advanced
Urdu
Fluent

Work Experience

Senior Software Engineer (Flutter) at F-Tech Solution
September 1, 2025 - Present
Led a native-to-Flutter migration for an enterprise mobile portfolio by architecting integrated Flutter modules embedded inside existing native apps for incremental, zero-disruption rollout. Owned end-to-end mobile lifecycle including feature development, SDK/version upgrades, release management, and deployment to Google Play and the App Store. Coordinated with cross-functional stakeholders to scope, plan, and ship scheduled product enhancements across multiple enterprise applications.
Flutter Engineer at Avialdo Solutions
June 1, 2024 - September 1, 2025
Engineered and maintained a white-label platform of 299 production apps from a single Flutter codebase using BLoC and flavor-based configuration to eliminate per-client codebase overhead. Automated batch builds and store uploads across hundreds of app flavors using Fastlane CI/CD pipelines. Scaled Firebase, OneSignal push notifications, DataDog monitoring, WebSockets, and deep linking across the platform for production observability and real-time communication. Built reusable theming and secure local-storage layers (Hive, Shared Preferences) shared by all client apps.
Associate Flutter Developer at Centillion
January 1, 2023 - March 1, 2024
Built pixel-accurate, responsive Flutter UIs from Figma designs for client-facing mobile applications. Integrated REST APIs, sockets for real-time updates, payment gateways, Google Maps, and Firebase Authentication. Delivered unit-tested features across multiple state-management approaches (Stacked, GetX, setState), helping safeguard core business logic.

Education

BS, Software Engineering (Distinction) at University of Karachi (UBIT)
January 1, 2020 - January 1, 2023

Qualifications

PCAP: Python Essentials (Cisco)
January 11, 2030 - August 4, 2026
Flutter App Development Course (Jawan Pakistan)
January 11, 2030 - August 4, 2026
Saylani Devathon Summit 1.0 (SMIT) - Winning Technical Solution (Laptop Award)
January 11, 2030 - August 4, 2026
Prime Minister's Young Laptop Scheme (Academic Merit)
January 11, 2030 - August 4, 2026

Industry Experience

Software & Internet, Financial Services, Healthcare, Education, Professional Services, Media & Entertainment, Retail