Pratham is available for hire
Hire PrathamPratham Mehta
Verified Expert in Engineering
Software Developer
Bengaluru, Karnataka, India
Toptal member since January 13, 2020
Bio
Pratham is a seasoned developer who, for years, has been successfully writing and delivering mobile apps for clients from all over the world. He's also successfully served as the CTO of GrabbnGo. Where Pratham shines is the creation of React Native cross-platform apps that perform flawlessly on iOS and Android; he’s also quite good working within teams due to his willingness to share and communicate.
Portfolio
Flytheapp.com
Google Cloud Functions, Firebase, Node.js, React Native
lastbit, SIA
Blockchain, Bitcoin, React Native
CorProof
React Native
Experience
- Mobile - 4 years
- React Native - 3 years
- Google Maps - 3 years
- iOS - 3 years
- Android - 3 years
- Firebase - 3 years
- JavaScript - 3 years
- Python 3 - 3 years
Availability
Part-time
Preferred Environment
Linux, Windows, Reactotron, MacOS, GitHub, Visual Studio Code (VS Code)
The most amazing...
...thing was building the iOS/Android apps as well as the back-end geometric algorithms to performs complex calculations to find points of interest along routes.
Work Experience
Sole Developer
2019 - PRESENT
Flytheapp.com
- Worked as the sole developer for the front-end and back-end technologies on Fly: an app that allows aviation enthusiasts to log all their journeys across the world.
- Oversaw the end-to-end deployment of the project.
- Delivered the app to the App Store.
- Created the UI/UX of the app.
Technologies: Google Cloud Functions, Firebase, Node.js, React Native
Freelance Mobile Developer
2018 - PRESENT
lastbit, SIA
- Worked at lastbit: a cryptocurrency company building software and hardware to help people securely store and spend their cryptocurrency.
- Collaborated with the lastbit team to build their entire bitcoin wallet.
- Integrated SegWit, Bech32, BIP44, BIP49, and so on into the bitcoin wallet.
- Implemented a lightning wallet that was deeply integrated with the bitcoin on-chain wallet.
Technologies: Blockchain, Bitcoin, React Native
Freelance Mobile Developer
2018 - 2019
CorProof
- Worked closely with the team at CorProof to build their iOS and Android apps. CorProof is an app that allows construction workers to perform daily activities like check-in/check-out, report an incident or complete safety training right on the app.
- Built the cross-platform app with a single codebase.
- Architected and built an offline-first app where all user actions were locally cached and synced with the server when a connection was available.
Technologies: React Native
CTO
2016 - 2018
GrabbnGo
- Served as the CTO of GrabbnGo and was responsible for the entire tech stack.
- Filed a patent at GrabbnGo for "Delayed Just In Time Ordering."
- Architected the entire system along with schemas, technologies, and frameworks used.
- Built a real-time location arrival and departure prediction and engine.
- Developed an end-to-end inventory-and-order management system capable of maintaining inventories of large grocery stores.
- Built an indoor-mapping solution capable of mapping building layouts like grocery stores, malls, or airports and provided real-time directions.
Technologies: Express.js, Node.js, Django, iOS, React Native
Lead Mobile Developer
2014 - 2017
Shyne
- Shyne is a music app that makes it easy for anyone to create music.
- Worked on the iOS application for Shyne.
- Implemented a multitrack audio recording engine using Core Audio and the Amazing Audio Engine.
- Built multichannel recording for the app enabling users to record created music and their voice at the same time.
- Built an in-app purchases store allowing users to purchase new packs of music.
Technologies: Core Audio, The Amazing Audio Engine (TAAE), iOS
Summer Intern
2015 - 2015
Microsoft
- Built a tool to enable teams across Microsoft to quickly deploy build, test, and production environments.
- Worked extensively with Azure and Azure VM Management.
- Supported automated environment deployments with ARM templates.
- Performed system configuration and automation using desired state configuration.
Technologies: Windows PowerShell, Azure, .NET, C#
Experience
Corproof | An App to Help Construction Workers Have Safer and More Productive Lives
Corproof is a React Native app for iOS and Android that helps construction workers stay safe on the job while being productive. I built the entire app based on the beautiful designs provided by the client.
Project Details:
• The app was designed as an offline-first app where all data was locally cached. Even form submissions are saved locally and submitted when an internet connection is available.
• The app uses Firebase cloud messaging for notifications.
• The app uses the Geolocation API to get the location of the user.
• The app works with complex and dynamically generated forms based on an API.
Project Details:
• The app was designed as an offline-first app where all data was locally cached. Even form submissions are saved locally and submitted when an internet connection is available.
• The app uses Firebase cloud messaging for notifications.
• The app uses the Geolocation API to get the location of the user.
• The app works with complex and dynamically generated forms based on an API.
lastbit | Secure App/device to Store and Spend Your Cryptocurrency
https://lastbit.iolastbit is a hardware company that specializes in making highly secure devices to store and spend cryptocurrencies.
I worked as a freelancer at lastbit and helped build the iOS and Android apps on React Native. The app works with several advanced technologies like Bech32, SegWit, and more.
The app also features a lightning wallet for Bitcoin where users can instantly make transactions without having to wait for on-chain confirmations.
I worked as a freelancer at lastbit and helped build the iOS and Android apps on React Native. The app works with several advanced technologies like Bech32, SegWit, and more.
The app also features a lightning wallet for Bitcoin where users can instantly make transactions without having to wait for on-chain confirmations.
Shyne! | Make Music
Shyne is an iOS app that lets users mix different types of music, record audio tracks, sing over the audio and share the audio with their friends. I built the entire app.
The app features an Audiobus integration, in-app purchases, multi-channel audio processing, and file management.
The app features an Audiobus integration, in-app purchases, multi-channel audio processing, and file management.
GrabbnGo | Virtual Drive-through App
Order your favorite food on the GrabbnGo app and pick it up on your way home, at the office, or at a friend’s place. You won’t even need to park your car. Just reach the GrabbnGo pick-up point next to the restaurant and hot-and-fresh food will be waiting for you.
I was responsible for the entire tech stack at GrabbnGo and built the app from scratch in React Native. I also built part of the server in Django.
I was responsible for the entire tech stack at GrabbnGo and built the app from scratch in React Native. I also built part of the server in Django.
Education
2012 - 2016
Bachelor of Technology Degree in Information Technology
VIT University - Vellore, India
Certifications
OCTOBER 2017 - PRESENT
Improving Deep Neural Networks: Hyperparameter Tuning, Regularization, and Optimization
Deeplearning.ai via Coursera
SEPTEMBER 2017 - PRESENT
Neural Networks and Deep Learning
Deeplearning.ai via Coursera
MAY 2017 - PRESENT
Understanding Einstein: The Special Theory of Relativity
Stanford University via Coursera
Skills
Libraries/APIs
Google Maps, Facebook Login, Node.js, Core Audio
Tools
Sketch, GitHub, Reactotron
Frameworks
React Native, Django, Express.js, .NET, Windows PowerShell, The Amazing Audio Engine (TAAE)
Platforms
iOS, Android, Firebase, Mobile, Apple, MacOS, Windows, Linux, Blockchain, Azure, Visual Studio Code (VS Code)
Languages
JavaScript, Python 3, C#
Storage
PostgreSQL, Redis
Other
Location Services, Apps, OOP Designs, Bitcoin, Google Cloud Functions
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