Hamza Humayun, Developer in Lahore, Pakistan
Hamza is available for hire
Hire Hamza

Hamza Humayun

Verified Expert  in Engineering

React Native Developer

Location
Lahore, Pakistan
Toptal Member Since
October 10, 2022

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, React Native, GitHub, MongoDB, Node.js, Express.js, JavaScript, Redux...
Soop.Io
React Native, REST APIs, MobX, Firebase, Push Notifications...

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, Push Notifications, Mobile App Development, Unit Testing, Git, Jest, iOS, Android, Front-end, Mobile Apps, APIs, Mobile, Test-driven Development (TDD), React Native for Web, Cloud Firestore, React Redux, Data Visualization, User Experience (UX), Figma, CI/CD Pipelines, Serverless, Mobile App Design, Mobile Development, Live Chat, Mobile Applications, Firebase Realtime Database, Scrum, Apollo, Gatsby, 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, React Native, GitHub, MongoDB, Node.js, Express.js, JavaScript, Redux, Firebase, MERN Stack, Push Notifications, Mobile App Development, Git, CSS, iOS, Android, HTML, Front-end, Amazon Web Services (AWS), Mobile Apps, Full-stack, Full-stack Development, Third-party APIs, APIs, Mobile, Test-driven Development (TDD), React Native for Web, Cloud Firestore, Elasticsearch, Amazon DynamoDB, Web Applications, Back-end, Databases, User Experience (UX), Figma, CI/CD Pipelines, Mobile App Design, Mobile Development, Mobile Applications, Payment Gateways, Payment APIs, API Documentation, 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 APIs, MobX, Firebase, Push Notifications, Mobile App Development, Git, iOS, Android, Front-end, Mobile Apps, Expo, APIs, Mobile, React Native for Web, Cloud Firestore, Back-end, Databases, Docker, Mobile App Design, Mobile Development, Mobile Applications, 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, React Native, MobX, REST APIs, Firebase, Push Notifications, Mobile App Development, Git, eCommerce, iOS, Android, Front-end, Mobile Apps, AWS Amplify, APIs, Mobile, React Native for Web, Cloud Firestore, PostgreSQL, Web Applications, Databases, Figma, Messaging, Mobile App Design, Mobile Development, Mobile Applications, Payment Gateways, Payment APIs, API Documentation, 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, React Native, Express.js, Node.js, REST APIs, Redux, Firebase, MERN Stack, Push Notifications, Mobile App Development, Git, CSS, iOS, SQL, Android, HTML, Front-end, Mobile Apps, Full-stack, Full-stack Development, Expo, Stripe, Sass, AWS Amplify, APIs, Mobile, React Native for Web, Cloud Firestore, AWS Lambda, React Redux, Google Maps, Web Applications, Data Visualization, Back-end, Databases, Figma, Messaging, Mobile App Design, Mobile Development, Live Chat, Dating Apps, Mobile Applications, Firebase Realtime Database, Payment Gateways, Payment APIs, Scrum, API Documentation, 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, React Native, Socket.IO, REST APIs, Redux, Firebase, Push Notifications, Mobile App Development, Git, iOS, Android, Front-end, Mobile Apps, APIs, Mobile, Cloud Firestore, Google Maps, Figma, Mobile App Design, Mobile Development, Mobile Applications, 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.

Languages

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

Frameworks

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

Libraries/APIs

React, Node.js, REST APIs, MobX, React Native for Web, React Redux, Google Maps, Socket.IO, Stripe, AWS Amplify

Tools

GitHub, Git, Expo, Figma

Paradigms

Mobile App Design, Mobile Development, Scrum, App Development, Unit Testing, Test-driven Development (TDD)

Platforms

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

Storage

Cloud Firestore, Firebase Realtime Database, MySQL, MongoDB, Elasticsearch, Amazon DynamoDB, PostgreSQL, Databases

Other

Push Notifications, Mobile App Development, Front-end, Mobile Apps, Full-stack, Full-stack Development, Third-party APIs, APIs, Web Applications, User Experience (UX), Messaging, Mobile Applications, Payment Gateways, Payment APIs, API Documentation, Software Engineering, Front-end Development, MERN Stack, eCommerce, Back-end, CI/CD Pipelines, Live Chat, Dating Apps, Apollo, Gatsby, Design, Data Visualization, Serverless

2016 - 2020

Bachelor's Degree in Computer Science

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

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

1

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring