Hiraj is available for hire

Hiraj Gajera

Verified Expert in Engineering

Front-end Developer

Bengaluru, Karnataka, India

Toptal member since April 30, 2024

Expertise

HTML5 Postman React.js JavaScript Firebase AWS Lambda AWS Xcode Android MacOS Google Maps Development Amazon S3 iOS Zoom Development

Bio

Hiraj is a front-end engineer from Bangalore, India, specializing in React Native and React, crafting dynamic digital experiences. With a knack for innovation, he's led teams in developing impactful apps, including a real-time navigation solution where he innovated a vehicle navigation system, boosting user engagement by 30% and app retention by 20% within six months. Hiraj enjoys enhancing the user experience and looks forward to his next adventure!

Portfolio

Tracknerd GPS

React Native, React, Firebase, Google Maps API, Mapbox API, HTML5, CSS3...

Freelance Clients

AWS Lambda, Amazon S3 (AWS S3), Amazon DynamoDB, Express.js, Firebase...

Certum Ventures

React Native, HTML5, CSS3, Zoom

Experience

HTML5 - 4 years
CSS3 - 4 years
JavaScript - 3 years
Firebase - 3 years
React - 3 years
React Native - 3 years
Xcode - 2 years
Android Studio - 2 years

Availability

Full-time

Preferred Environment

MacOS, WebStorm, Postman, Sublime Text, Xcode, Android Studio, iTerm2

The most amazing...

...thing I've done is revolutionize child safety with a real-time school bus tracking app.

Work Experience

Front-end Engineer

2023 - 2024

Tracknerd GPS

Innovated a vehicle navigation system, boosting user engagement by 30% and app retention by 20% within six months. Integrated dynamic tracking and multiple map platforms, enhancing the user experience.
Developed a feature in the Lokkate mobile app, facilitating real-time monitoring of school bus locations for 28,000 daily users. This resulted in a 25% decrease in student lateness and absenteeism, improving parental satisfaction.
Led a team to optimize mobile and web platforms using Firebase's real-time database. Achieved a 40% reduction in app loading times and a 15% enhancement in system responsiveness, enhancing user experience across multiple apps.

Technologies: React Native, React, Firebase, Google Maps API, Mapbox API, HTML5, CSS3, Android, iOS

Full-stack Developer

2021 - 2024

Freelance Clients

Developed a complete web app to capture data from the end device and store it in DynamoDB. AWS Lambda was used to create APIs that could be called by a web app developed in React and hosted on Amazon EC2, along with AWS Cognito-based authentication.
Designed a tabular and graphical interface for the user to understand the data and make decisions. Google Maps were integrated to show the device's location over the map. A role-based access system was implemented.
Oversaw the entire process from concept to launch.

Technologies: AWS Lambda, Amazon S3 (AWS S3), Amazon DynamoDB, Express.js, Firebase, Google Maps API, AWS IoT Core, HTML5, JavaScript, React, Node.js

React Native Developer

2022 - 2023

Certum Ventures

Spearheaded the development of Leuk Doctor and Leuk Patient apps, driving them from conception to launch.
Orchestrated seamless integration of real-time video consultation and payment functionalities.
Worked on features for booking appointments, reporting, payments, prescriptions, and invoices for patients and doctors.

Technologies: React Native, HTML5, CSS3, Zoom

MERN Stack Developer

2021 - 2021

Data Prophets

Worked with the front-end team to build a responsive single-page web app.
Oversaw the bug fixes and front-end work of the team.
Worked with the back-end team on API development for a data science project.

Technologies: MongoDB, Firebase, Express.js, Node.js, React

Experience

IoT Sensor Data Visualisation App

Introducing an exciting project I spearheaded—a cutting-edge IoT sensor data visualization app. Leveraging the power of React and React Native, users can now seamlessly track their sensor data and monitor movements in real time, all within a sleek and intuitive interface. With a convenient tabular view of data, making informed and healthy decisions has never been easier!

Farma | Social Commerce App for Farmers

https://www.youtube.com/watch?v=yXPnvkzdmug

Farma, a React Native-based app, connects farmers and traders for seamless trading. Users can check daily crop prices, rate others, and trade farm equipment, seeds, and more. The platform includes a feed for sharing daily farming activities and fostering community engagement.

Books

https://github.com/hirajgajera/Books

A React Native-based book application that displays a list of books. Users can select a book to view its details, like it, and leave reviews. The app is designed to handle the device's orientation, supporting both portrait and landscape modes.

Education

2018 - 2022

Bachelor's Degree in Computer Engineering

Gujarat Technological University - Ahmedabad, Gujarat, India

Certifications

JULY 2020 - PRESENT

MERN Bootcamp

LearnCodeOnline

Skills

Libraries/APIs

React, Google Maps API, Mapbox API, Node.js

Tools

Postman, Sublime Text, Xcode, Android Studio, WebStorm, Zoom

Languages

JavaScript, HTML5, CSS3, Java 8

Frameworks

React Native, Express.js

Platforms

Firebase, AWS Lambda, MacOS, AWS IoT Core, Android, iOS

Storage

Amazon DynamoDB, Amazon S3 (AWS S3), MongoDB

Other

iTerm2

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