Hamza Humayun, Developer in Lahore, Pakistan
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Hamza Humayun

Verified Expert  in Engineering

React Native Developer

Lahore, Pakistan

Toptal member since October 10, 2022

Bio

Hamza has experience in building usable, functional, and well-constructed web and mobile applications with React and React Native. He has worked on all the steps of mobile and web application development, from design and implementation to publishing them to the App Store and Play Store. Hamza can work independently and in a team to ensure the tasks are completed on time.

Portfolio

Flahmingo
React Native, GraphQL, TypeScript, GitHub, JavaScript, Redux, Firebase...
KalPay Financials
React.js, React Native, GitHub, MongoDB, Node.js, Express.js, JavaScript, Redux...
Soop.Io
React Native, REST API, JavaScript, Firebase, Mobile App Design...

Experience

Availability

Full-time

Preferred Environment

React, React Native, MobX, Redux, GraphQL, TypeScript, Firebase, HTML5

The most amazing...

...achievement I've had was co-founding a startup, which proved to be an immense learning experience.

Work Experience

Front-end Engineer

2022 - 2024
Flahmingo
  • Developed a mobile application for a fintech startup using React Native.
  • Used Sentry and Amplitude for error tracking and product analysis.
  • Assisted in launching a product to the market as a founding team member.
Technologies: React Native, GraphQL, TypeScript, GitHub, JavaScript, Redux, Firebase, Mobile App Design, Mobile App Design, Unit Testing, Git, Jest, iOS, Android, Front-end, Mobile Apps, APIs, Mobile App Design, Agile Development, React.js, Firestore, React.js, Data Visualization, UX Development, Figma, CI/CD Pipelines, Serverless, Mobile App Design, Mobile App Design, Live Chat, Mobile App Design, Firebase Realtime Database, Scrum Master Consulting, Apollo, GatsbyJS, Next.js, App Development, Design, Front-end Development

Front-end Developer

2021 - 2022
KalPay Financials
  • Developed management portals for customers, merchants, and administrators in React.
  • Built a mobile application for a fintech startup with more than 3,000 users using React Native with GraphQL.
  • Played the role of a product manager to track bugs and introduce new features to the product.
  • Managed a team of two people and helped them in different phases of development.
Technologies: React.js, React Native, GitHub, MongoDB, Node.js, Express.js, JavaScript, Redux, Firebase, MERN Stack, Mobile App Design, Mobile App Design, Git, CSS, iOS, Android, HTML, Front-end, AWS, Mobile Apps, Full-stack, Full-stack, API, APIs, Mobile App Design, Agile Development, React.js, Firestore, Elasticsearch, AWS, Web Application, Back-end Developers, Database, UX Development, Figma, CI/CD Pipelines, Mobile App Design, Mobile App Design, Mobile App Design, Payment Gateways, Payment APIs, API, Apollo, App Development, Front-end Development

React Native Developer

2021 - 2021
Soop.Io
  • Developed a mobile application for an edtech startup with more than 20,000 users.
  • Integrated push notifications in the mobile application using Firebase.
  • Published a React Native app on the App Store and Play Store.
Technologies: React Native, REST API, JavaScript, Firebase, Mobile App Design, Mobile App Design, Git, iOS, Android, Front-end, Mobile Apps, Expo, APIs, Mobile App Design, React.js, Firestore, Back-end Developers, Database, Docker, Mobile App Design, Mobile App Design, Mobile App Design, App Development, Design

React and React Native Developer

2020 - 2021
Moaash
  • Developed a mobile application for a social commerce startup with more than 5,000 users.
  • Launched the product to the market as a member of the founding team. Also, based on the feedback, I improved and added features to the product.
  • Published the app on both the App Store and Play Store.
Technologies: React.js, React Native, JavaScript, REST API, Firebase, Mobile App Design, Mobile App Design, Git, E-commerce marketing, iOS, Android, Front-end, Mobile Apps, AWS Amplify, APIs, Mobile App Design, React.js, Firestore, PostgreSQL, Web Application, Database, Figma, Messaging, Mobile App Design, Mobile App Design, Mobile App Design, Payment Gateways, Payment APIs, API, App Development, Design, Front-end Development

Software Engineer

2020 - 2021
iTitans
  • Developed React websites, admin dashboards, and mobile apps using React Native for different clients.
  • Managed a team of four people and helped them in different phases of development.
  • Used Jira as a product management tool to track bugs and new features.
Technologies: JavaScript, React.js, React Native, Express.js, Node.js, REST API, Redux, Firebase, MERN Stack, Mobile App Design, Mobile App Design, Git, CSS, iOS, SQL, Android, HTML, Front-end, Mobile Apps, Full-stack, Full-stack, Expo, Stripe Development, Sass, AWS Amplify, APIs, Mobile App Design, React.js, Firestore, AWS Lambda, React.js, Google Maps Development, Web Application, Data Visualization, Back-end Developers, Database, Figma, Messaging, Mobile App Design, Mobile App Design, Live Chat, Dating Apps, Mobile App Design, Firebase Realtime Database, Payment Gateways, Payment APIs, Scrum Master Consulting, API, Apollo, NestJS, Next.js, App Development, Design, Front-end Development

React and React Native Developer

2020 - 2020
Apni-Sawari
  • Developed a ride-booking app like Uber using React Native.
  • Connected customer and driver apps using Socket.IO.
  • Published the app on both the App Store and Play Store.
  • Created a front end of the admin portal using React.
Technologies: React.js, React Native, Socket.IO, REST API, Redux, Firebase, Mobile App Design, Mobile App Design, Git, iOS, Android, Front-end, Mobile Apps, APIs, Mobile App Design, Firestore, Google Maps Development, Figma, Mobile App Design, Mobile App Design, Mobile App Design, App Development, Design

Kruzee Driving School

A digital driver educational platform, which serves as an online driving school where students can book their driving lessons with the listed instructors according to their schedule and get their driver's license using their React Native mobile application and MERN web app.

Epi Food

http://www.epi-food.com
A nutrition and lifestyle concept based on the basic idea of ​​epigenetics, which deals with human genes. We can protect and heal our genes by living a balanced lifestyle and eating healthily. I developed this platform.

Patient First

http://patientfirstai.com/
A healthcare booking system for patients to book appointments with their preferred doctor. This project also involved building a platform where doctors can update medical records and patients can see and access those records.
2016 - 2020

Bachelor's Degree in Computer Science

Lahore University of Management Sciences (LUMS) - Lahore, Punjab, Pakistan

Libraries/APIs

React.js, Node.js, REST API, JavaScript, React.js, React.js, Google Maps Development, Socket.IO, Stripe Development, AWS Amplify

Tools

GitHub, Git, Expo, Figma

Languages

JavaScript, TypeScript, CSS, HTML5, HTML, GraphQL, SQL, Python, Sass

Frameworks

React Native, Next.js, Redux, Express.js, Jest, NestJS

Paradigms

Mobile App Design, Mobile App Design, Scrum Master Consulting, App Development, Unit Testing, Agile Development

Platforms

Firebase, Mobile App Design, iOS, Android, AWS, AWS Lambda, Docker

Storage

Firestore, Firebase Realtime Database, MySQL, MongoDB, Elasticsearch, AWS, PostgreSQL, Database

Other

Mobile App Design, Mobile App Design, Front-end, Mobile Apps, Full-stack, Full-stack, API, APIs, Web Application, UX Development, Messaging, Mobile App Design, Payment Gateways, Payment APIs, API, Software Engineering, Front-end Development, MERN Stack, E-commerce marketing, Back-end Developers, CI/CD Pipelines, Live Chat, Dating Apps, Apollo, GatsbyJS, Design, Data Visualization, Serverless

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