Muhammad Hassan

Senior Flutter Developer

Zippy Ecom Solutions • Full-time

Jun 2025 - Present • 1 yr 2 mos

● Lead the architecture and development of large-scale cross-platform e-commerce applications using Flutter, Firebase, and Rest API’s. ● Built admin dashboards, real-time analytics modules, and live data sync features powering business decisions across multiple product lines. ● Designed and implemented real-time tracking systems, payment gateways (Stripe), premium subscription plans, and in-app purchases (IAP). ● Integrated Firebase Cloud Messaging (FCM) for targeted marketing promotions, order alerts, and personalized user notifications. ● Established clean architecture standards (MVVM + Repository Pattern) adopted organization-wide, reducing onboarding time for new developers by 40%. ● Mentored 3 junior developers through weekly code reviews and knowledge-sharing sessions. ● Collaborated with product owners, UI/UX designers, and backend engineers across multicultural teams to deliver features on schedule. ● Reduced app crash rate by 35% through performance audits, memory leak detection, and code optimization.

Flutter Developer

FlyTech • Freelance

Dec 2023 - Mar 2025 • 1 yr 3 mos

● Developed and optimized cross-platform mobile apps for Android and iOS serving a diverse international user. ● Integrated AI-powered APIs including OpenAI GPT and Google Cloud Vision AI for features such as intelligent chatbots, image recognition, text processing, and predictive analytics. ● Implemented advanced state management solutions (GetX, Provider, BLoC) ensuring seamless performance across complex, data-heavy applications. ● Delivered reusable widgets and component-based architecture, reducing development time by 30%. ● Worked with Firebase (Auth, Storage, Remote Config) and RESTful/GraphQL APIs for robust backend integration. ● Enhanced CI/CD pipelines using GitHub Actions for automated builds, testing, and deployments to both stores. ● Implemented offline-first architecture with SQLite & Hive for seamless low-connectivity experience. ● Contributed to AI Text Scanner and FlyQuotes apps currently live on Google Play Store with strong user ratings.

Flutter Developer

A1 Consultants • Part-time

Jan 2022 - Sep 2023 • 1 yr 8 mos

● Designed and delivered end-to-end Flutter applications for clients across retail, education, and logistics sectors. ● Implemented deep links, universal links, and push notifications, boosting user engagement by 38%. ● Built multi-language, multi-currency mobile solutions to international clients across South Asian markets. ● Collaborated with Cross-functional backend, DevOps & QA teams to integrate microservices and REST APIs. ● Developed custom animations and interactive UI, raising app ratings from 3.8 to 4.6 stars. ● Managed app deployments on both Google Play Store and Apple App Store including beta testing via Firebase App Distribution and TestFlight. ● Wrote comprehensive technical documentation for modules, APIs, and architecture patterns ensuring smooth knowledge transfer.