Muhammad is available for hire

Muhammad Umer Qadri

Verified Expert in Engineering

Full-stack JavaScript Developer

Karachi, Sindh, Pakistan

Toptal member since August 22, 2022

Expertise

Software Development App Store Development Front-end Web Development Integration React.js JavaScript Redux CSS GitHub Git REST API HTML5 Mobile App

Bio

Umer is a highly skilled full-stack developer with nearly six years of experience. He has helped many businesses and startups achieve their goals by developing and enhancing their web and mobile applications. Specializing in Javascript, Umer has expertise in React and React Native and great hands-on experience in Node.js, Express.js, and AWS Cloud. He has developed numerous web and mobile apps, many of which are currently live and actively used by thousands of users.

Portfolio

Company DENAR For Investment Limited Liability

React Native, TypeScript, Expo.io, iOS, Android, Apple Pay, Swift, Deployment...

Revaiv Health LLC FZ

React, React Native, Expo, Redux, Mobile Apps, Agile, Sentry, Android, iOS...

Nisum Technologies

React, Redux, Node.js, Elasticsearch, AWS Lambda, Amazon DynamoDB...

Experience

React Native - 5 years
Redux - 5 years
Web Development - 5 years
React - 5 years
JavaScript - 5 years
Mobile App Development - 5 years
TypeScript - 3 years
Full-stack - 2 years

Availability

Full-time

Preferred Environment

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

The most amazing...

...thing I've done is helping Muslims never miss a congregation by locating mosques and finding congregation schedules using an app named Namazee.

Work Experience

React Native Developer

2024 - 2024

Company DENAR For Investment Limited Liability

Enhanced KSA's existing corporate sukuk investment app, Dinar, by adding new features and updating the designs to provide a smooth and seamless experience to users.
Developed a new version of the app, which provides more investment options with a better user experience.
Implemented multilingual support, expanding the app's usability to a broader audience.

Technologies: React Native, TypeScript, Expo.io, iOS, Android, Apple Pay, Swift, Deployment, WebView, App UI, Authorization, User Experience (UX)

Senior React Native Developer

2023 - 2024

Revaiv Health LLC FZ

Developed a platform to provide personalized care programs to women that are based on clinical guidelines and modern innovative ways for patients with PCOS and related symptoms.
Developed a clinically proven tracking mechanism to analyze the body and its symptoms, which helps in generating insights and providing individually focused care programs.
Helped improve app performance by avoiding and removing unnecessary API calls and maintaining an offline synced storage to provide a smooth user experience.
Developed complex features and UI, including animations, scheduled push notifications, custom calendar and tracking, etc.

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, App UI, Authorization, User Experience (UX)

Senior Software Engineer | Full-stack JavaScript Developer

2021 - 2023

Nisum Technologies

Outsourced to a logistic real estate client, Prologis, and developed a digital property management system to market commercial real estate properties from around the world to commercial users through a user-facing website.
Developed data syncing cron jobs to sync data from a data lake to the digital property management system and from the system to the user-facing website after adding the necessary details to the properties.
Developed REST APIs using Node.js and Express.js with AWS DynamoDB and ElasticSearch for the system, along with a React-based management dashboard to manage the properties.
Collaborated with global teams working on different systems of the client for smooth integrations to and from the digital property management system.

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, Ant Design, Antd, Single-page Applications (SPAs), App UI, Authorization, User Experience (UX)

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, App UI, Authorization, User Experience (UX)

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, App UI, Authorization, User Experience (UX)

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, Authorization, User Experience (UX)

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, Single-page Applications (SPAs), User Experience (UX)

Experience

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)

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)

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)

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.

Education

2015 - 2021

Bachelor's Degree in Software Engineering

Sir Syed University of Engineering and Technology - Karachi, Pakistan

Skills

Libraries/APIs

React, Node.js, Google Maps, REST APIs, React Navigation, Google Maps API, Stripe API, Antd, 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

Languages

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

Frameworks

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

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, App UI, Authorization, User Experience (UX), 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, Single-page Applications (SPAs), Email Authentication, Authentication, Analytics, Zustand, Mobile GPS, Styled-components, i18n, Localization, React Hooks, Women's Health, Apple Pay

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