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React Native Developer and MERN Stack developer building end-to-end mobile and web applications with a focus on clean UI/UX, real-time features, and reliable APIs. I work across Android and iOS, integrate payments and Firebase services, and optimize production apps through upgrades and debugging. I enjoy creating scalable solutions—whether it’s e-commerce in React Native, Firebase-powered CRUD and chat systems, or MERN CRUD apps with REST APIs and MongoDB. I’m motivated by delivering smooth user experiences, writing maintainable code, and shipping working features.…React Native Developer and MERN Stack developer building end-to-end mobile and web applications with a focus on clean UI/UX, real-time features, and reliable APIs. I work across Android and iOS, integrate payments and Firebase services, and optimize production apps through upgrades and debugging. I enjoy creating scalable solutions—whether it’s e-commerce in React Native, Firebase-powered CRUD and chat systems, or MERN CRUD apps with REST APIs and MongoDB. I’m motivated by delivering smooth user experiences, writing maintainable code, and shipping working features.

Tooba Mumtaz

App Developer, Front-End Developer, Back-End Developer, +2

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React Native Developer and MERN Stack developer building end-to-end mobile and web applications with a focus on clean UI/UX, real-time features, and reliable APIs. I work across Android and iOS, integrate payments and Firebase services, and optimize production apps through upgrades and debugging. I enjoy creating scalable solutions—whether it’s e-commerce in React Native, Firebase-powered CRUD and chat systems, or MERN CRUD apps with REST APIs and MongoDB. I’m motivated by delivering smooth user experiences, writing maintainable code, and shipping working features.…React Native Developer and MERN Stack developer building end-to-end mobile and web applications with a focus on clean UI/UX, real-time features, and reliable APIs. I work across Android and iOS, integrate payments and Firebase services, and optimize production apps through upgrades and debugging. I enjoy creating scalable solutions—whether it’s e-commerce in React Native, Firebase-powered CRUD and chat systems, or MERN CRUD apps with REST APIs and MongoDB. I’m motivated by delivering smooth user experiences, writing maintainable code, and shipping working features.

Available to hire

React Native Developer and MERN Stack developer building end-to-end mobile and web applications with a focus on clean UI/UX, real-time features, and reliable APIs. I work across Android and iOS, integrate payments and Firebase services, and optimize production apps through upgrades and debugging.

I enjoy creating scalable solutions—whether it’s e-commerce in React Native, Firebase-powered CRUD and chat systems, or MERN CRUD apps with REST APIs and MongoDB. I’m motivated by delivering smooth user experiences, writing maintainable code, and shipping working features.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Work Experience

React Native Developer at Enigmatix

January 1, 2025 - Present

Developed and maintained a commercial coffee ordering mobile application with end-to-end e-commerce features including product browsing, category filtering, cart management, checkout, order placement, and payment gateway integration. Implemented responsive screens using React Native core components, built product listing and detail pages, and added quantity controls and order summary UI for a seamless user journey. Led a production app upgrade for a Candy Shop application, migrating React Native from v0.64 to v0.78.3 across Android and iOS. Resolved post-upgrade UI crashes caused by incompatible third-party libraries and deprecated native APIs, and fixed build issues using Gradle/Gradlew for Android and Xcode configuration/provisioning for iOS. Supported deployment workflows including Google Play and iOS beta testing via TestFlight. Built a real-time Notes application integrated with Firebase Firestore, implementing full CRUD with live data synchronization using real-time listeners a