Muhammad Umer Qadri, Developer in Karachi, Sindh, Pakistan
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Muhammad Umer Qadri

Verified Expert  in Engineering

Full-stack JavaScript Developer

Location
Karachi, Sindh, Pakistan
Toptal Member Since
August 22, 2022

With over five years of experience, Umer is an expert full-stack developer with extensive hands-on experience in web and mobile application development. He has built numerous live and available web and mobile apps on the Google Play Store and Apple App Store. He is also an expert in JavaScript, TypeScript, React, React Native, Node.js, AWS Cloud, and NoSQL databases.

Portfolio

Company DENAR For Investment Limited Liability
React Native, TypeScript, Expo.io, iOS, Android, Apple Pay, Swift, Deployment...
HiringMine
React, React Native, Redux, Redux Toolkit, JavaScript, JSX, App Submission...
Revaiv Health LLC FZ
React, React Native, Expo, Redux, Mobile Apps, Agile, Sentry, Android, iOS...

Experience

Availability

Full-time

Preferred Environment

React Native, React, JavaScript, Mobile App Development, Agile Software Development, Redux, Node.js, MacOS, Android, iOS

The most amazing...

...work I've done is the develop a cross-platform mobile app, Namazee. It helps people locate mosques and find congregation timings.

Work Experience

React Native Developer

2024 - 2024
Company DENAR For Investment Limited Liability
  • Implemented new features in the client's React Native mobile application, ensuring improved functionality and a seamless user experience.
  • Developed a new app version with an improved user interface, incorporating the latest design trends.
  • Fixed bugs and enhanced existing features to ensure the client's React Native mobile application remained up-to-date and functional.
Technologies: React Native, TypeScript, Expo.io, iOS, Android, Apple Pay, Swift, Deployment, WebView

Co-founder | Full-stack Developer

2024 - 2024
HiringMine
  • Developed web and mobile applications providing smooth user experiences for job searching and filtering.
  • Participated in various aspects of planning and development as a co-owner.
  • Built the complete journey from scratch and deployed it on the AWS Cloud and app stores.
  • Had thousands of users on websites and LinkedIn platforms who were the direct beneficiaries of our jobs listing feature.
Technologies: React, React Native, Redux, Redux Toolkit, JavaScript, JSX, App Submission, API Integration, Mobile App Development, Deployment

Senior React Native Developer

2023 - 2024
Revaiv Health LLC FZ
  • Developed the core features of the mobile app to provide progress tracking and management options.
  • Implemented scheduled local push notifications for health reminders.
  • Implemented a calendar to display detailed analytics of the health management activities.
Technologies: React, React Native, Expo, Redux, Mobile Apps, Agile, Sentry, Android, iOS, Google Play Store, App Store, Authentication, Push Notifications, TypeScript, Mobile App Development, Deployment

Senior React Native Developer

2022 - 2023
Gem Technologies Holdings Inc
  • Provided continuous support to track and fix critical bugs.
  • Identified problems in the implementation of the features and fixed them.
  • Supported the ongoing delivery of the app into production.
Technologies: React Native, Front-end, Mobile, iOS, Android, Agile Project Management, Expo, Agile, Xcode, Apps, App Development, React Navigation, Push Notifications, Mobile Apps, TypeScript, Mobile App UI, API Integration, Expo.io, User Interface (UI), Mobile App Development, Deployment

Senior Software Engineer | Full-stack JavaScript Developer

2021 - 2023
Nisum Technologies
  • Contributed to a big real-estate system for a US company, which markets thousands of properties around the globe using different web applications.
  • Developed multiple features and participated in bug fixing and support for the web application as a full-stack JavaScript engineer.
  • Collaborated with a global team and utilized various skills, including React, Node.js, Elasticsearch, DynamoDB, and AWS services.
  • Applied Agile project management methodology to ensure the continuous development and delivery of the features.
Technologies: React, Redux, Node.js, Elasticsearch, AWS Lambda, Amazon DynamoDB, Amazon Simple Queue Service (SQS), JavaScript, GitHub, Git, Axios, HTML, CSS, JSX, Agile Software Development, Software Development, Bootstrap, React Native, Redux Thunk, Amazon Lightsail, Jira, MacOS, Agile Project Management, Firebase, GitLab, Amazon Web Services (AWS), Real Estate, GPS, Google Maps, REST APIs, HTML5, CSS3, APIs, NoSQL, Next.js, Express.js, Front-end, Front-end Development, Web Development, Databases, Full-stack, Full-stack Development, MERN Stack, Agile, Apps, App Development, Web App Development, React Navigation, Push Notifications, Mobile Apps, Cloud Platforms, Mocha, Jest, Maps, API Integration, Responsive Web Design (RWD), Integration, Figma, User Interface (UI), Google Maps API, Navigation, Lambda Functions, Mobile App Development

React Native Developer

2022 - 2022
Sincere Financial, Inc.
  • Configured different environments, including development, staging, and production environments for the React Native app for iOS and Android.
  • Differentiated analytics for different environments to identify events and activities of production environments on the console.
  • Added Android app flavors and different iOS schemes per target to manage different environments.
Technologies: React Native, iOS, Android, Analytics, Google Analytics, Firebase Analytics, TypeScript, Mobile, Agile, Firebase, Xcode, Apps, App Development, React Navigation, Push Notifications, Mobile Apps, Mobile App UI, API Integration, Security, User Interface (UI), Mobile App Development, Deployment

React Native Team Lead

2019 - 2021
Cubix
  • Worked as a cross-platform mobile application development team lead. Developed, deployed, and supported multiple mobile applications for different industries.
  • Developed and maintained mobile applications having thousands of users and followed Agile to provide continuous delivery of the features.
  • Developed highly scalable and well-structured mobile apps focused on a user-friendly UI.
Technologies: React Native, React, Redux, Redux Thunk, JavaScript, Firebase, Agile Software Development, Android, iOS, GitHub, Git, HTML, CSS, JSX, Axios, Software Development, Jira, MacOS, Mobile App Development, Agile Project Management, WebSockets, GitLab, Product Development, Social Media Apps, GPS, Google Maps, REST APIs, CSS3, APIs, NoSQL, Mobile Development, Google Play Store, App Store, Front-end, Front-end Development, TestFlight, Android Camera App, iOS Camera, Mobile, Agile, Xcode, Apps, App Development, React Navigation, Push Notifications, Mobile Apps, Maps, Mobile App UI, API Integration, Location Tracking, Integration, App Submission, Security, Figma, User Interface (UI), Google Maps API, Navigation, Stripe API, Deployment, WebView

React Native Developer

2018 - 2019
PNC Digital
  • Developed an event management and communication mobile app.
  • Built a mobile application to help a janitorial cleaning business to automate its system.
  • Managed and trained team members on mobile application development.
Technologies: React Native, Redux, Redux Thunk, JavaScript, WebSockets, Firebase, Git, GitHub, Axios, CSS, Agile Software Development, Mobile App Development, Software Development, JSX, Jira, MacOS, Android, iOS, Agile Project Management, GitLab, Product Development, Social Media Apps, GPS, Google Maps, REST APIs, HTML5, CSS3, APIs, Mobile Development, Google Play Store, App Store, Front-end, Front-end Development, TestFlight, Android Camera App, iOS Camera, Mobile, Expo, Agile, Xcode, Apps, App Development, React Navigation, Push Notifications, Mobile Apps, Maps, Mobile App UI, API Integration, Expo.io, Location Tracking, Integration, App Submission, Security, Figma, User Interface (UI), Google Maps API, Navigation, Deployment, WebView

Web and Mobile App Developer

2017 - 2018
Panacloud Pvt
  • Developed a mobile app to facilitate bikers in organizing biking events.
  • Added features and fixed bugs on a real estate web app.
  • Created websites for real estate agents to grow their business.
Technologies: React, React Native, JavaScript, GitHub, Git, Agile Software Development, HTML, CSS, Axios, Software Development, Mobile App Development, JSX, Bootstrap, Redux Thunk, Jira, MacOS, Android, iOS, Agile Project Management, Firebase, GitLab, Product Development, Real Estate, GPS, Google Maps, REST APIs, HTML5, CSS3, NoSQL, MongoDB, Express.js, Mobile Development, Google Play Store, App Store, Front-end, Front-end Development, Web Development, Databases, Full-stack Development, Full-stack, MERN Stack, Mobile, Expo, Agile, Apps, App Development, Web App Development, React Navigation, Push Notifications, Mobile Apps, Maps, Mobile App UI, API Integration, Expo.io, Responsive Web Design (RWD), Location Tracking, Integration, App Submission, Figma, User Interface (UI), Google Maps API, Navigation, Deployment, WebView

HiringMine (Android and Web)

https://hiringmine.com/
A gamified approach to job searching brings a unique and modern job and talent searching experience. Along with job and talent searching, it comes with a complete profile and portfolio of talent and companies, making it more convenient for people to land jobs or talent.

Android link: Play.google.com/store/apps/details?id=com.app.hiringmine

Revaiv (Android and iOS)

https://apps.apple.com/us/app/revaiv/id6477476967
Revaiv is a React Native-based cross-platform app that takes an advanced approach to PCOS management. The app allows users to make a comprehensive assessment of PCOS symptoms, which helps them understand their unique journey and leads to personalized health treatment.

Android link: Play.google.com/store/apps/details?id=app.revaiv

Mahaba – Shariah Compliant Matrimonial Platform

https://mahaba.com/
A shariah-compliant matrimonial platform that implements shariah principles of partner searching, different from traditional partner matching or matrimonial platforms. It offers a unique experience that maintains the secrecy of both males and females during the partner search.

Namazee (Android and iOS)

https://apps.apple.com/us/app/namazee/id6480574173
A React Native-based cross-platform mobile application that helps people find mosque congregation times in their locality. Users can locate mosques using a map and GPS location and navigate to the mosque using a mobile map application.

Android link: Play.google.com/store/apps/details?id=com.annoor.namazee

Sincere Pet Rewads Mobile App (Android and iOS)

https://apps.apple.com/us/app/sincere-pet-rewards-debit-card/id1589439703
A cash-back debit card app mainly for pets. Get rewarded for spending on your pets, buy from thousands of brands through the app, and get access to many reward features. No monthly fees, no credit cheques, and no debt.

Android link: Play.google.com/store/apps/details?id=com.sincere.mobile

ShowAssist

A React Native-based mobile app for owners, riders, trainers, parents, and barn managers to connect with experienced groomers, braiders, and other support staff while at rated USEF and Equestrian Canada horse shows for the hunter and show jumping disciplines.

Pearl

Pearl is a social app that encourages connection and collaboration between content creators and their communities. Creators and supporters can do what they do best, whether it's creating the next viral video or being the ultimate "stan" all while growing and earning together.

Viewed.tv

A React Native-based mobile application to let viewers connect and share their reviews of movies and series by adding reactions and comments similar to a social media app. It can also help users to catch up on the dates of movies and series from other viewers.

Dinar (Android and iOS)

https://play.google.com/store/apps/details?id=com.dinar
A React Native-based cross-platform mobile application that allows you to invest in a corporate sukuk in various sectors in the Kingdom of Saudi Arabia. Register within two minutes and invest using Mada cards or a bank transfer.
2015 - 2021

Bachelor's Degree in Software Engineering

Sir Syed University of Engineering and Technology - Karachi, Pakistan

Libraries/APIs

React, Node.js, Google Maps, REST APIs, React Navigation, Google Maps API, Stripe API, Lodash, Stripe, React Hook Form

Tools

Redux Thunk, GitHub, Git, GitLab, JSX, WebView, Jira, TestFlight, Expo, Xcode, Mocha, Expo.io, Figma, Amazon Simple Queue Service (SQS), Google Analytics, Firebase Analytics, Sentry, Redux Toolkit

Frameworks

React Native, Redux, Bootstrap, Next.js, Express.js, Jest, Tailwind CSS

Languages

JavaScript, HTML, CSS, HTML5, CSS3, TypeScript, Swift

Paradigms

Mobile Development, Agile Software Development, Agile Project Management, Agile, App Development, Responsive Web Design (RWD), Azure DevOps

Platforms

Amazon Web Services (AWS), Mobile, MacOS, Android, iOS, Firebase, Amazon Lightsail, AWS Lambda

Storage

Elasticsearch, Amazon DynamoDB, NoSQL, MongoDB, Databases

Other

Mobile App Development, Software Development, Axios, Product Development, Social Media Apps, GPS, APIs, Google Play Store, App Store, Front-end, Front-end Development, Web Development, Mobile Apps, Maps, Mobile App UI, API Integration, Location Tracking, Integration, App Submission, User Interface (UI), Lambda Functions, Deployment, WebSockets, Real Estate, Full-stack, Full-stack Development, MERN Stack, Android Camera App, iOS Camera, Apps, Web App Development, Push Notifications, Cloud Platforms, Security, Navigation, Email Authentication, Authentication, Analytics, Zustand, Mobile GPS, Styled-components, i18n, Localization, React Hooks, Women's Health, Apple Pay

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