Rahul Pratap Singh, Developer in Navi Mumbai, India
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Rahul Pratap Singh

Verified Expert  in Engineering

Software Developer

Location
Navi Mumbai, India
Toptal Member Since
May 13, 2016

Rahul is a passionate JavaScript developer with more than eight years of experience in JavaScript development, including over six years working at Toptal remotely as a JavaScript developer. He has significant experience working with Express.js, Angular, React, Vue.js, and Meteor.

Web DevelopmentJavaScriptCSSNode.jsHTML5ReactExpress.jsD3.jsMySQLLinuxjQueryMongoDBGitReduxReact Redux

Portfolio

Gartner
JavaScript, TypeScript, React, Storybook, D3.js, Highcharts, Git, Docker...
The Nerd Collective LLC
CSS, React, Data Visualization, D3.js, Node.js, Figma, Web3.js...
Navarc
React, D3.js, Storybook, ECMAScript (ES6), Netlify, HTML, JavaScript, Git...

Experience

JavaScript - 9 yearsNode.js - 8 yearsExpress.js - 6 yearsReact - 6 yearsTypeScript - 5 yearsD3.js - 5 yearsReact Native - 5 yearsGraphQL - 3 years

Availability

Full-time

Preferred Environment

Jira, Git, Visual Studio Code (VS Code), MacBook

The most amazing...

...thing I've built is an online marketing automation platform with support for browser-based tracking, drag-n-drop builders, action framework, and more.

Work Experience

Senior Full-stack Developer

2022 - 2023
Gartner
  • Created a website builder and the corresponding UI kit to support it. Completed the back-end part with Node.js, MongoDB, and more.
  • Completed the most anticipated visualization project and managed it until its Beta release.
  • Contributed to the UI kit used across Gartner for developing applications quickly and effectively.
Technologies: JavaScript, TypeScript, React, Storybook, D3.js, Highcharts, Git, Docker, Node.js, MongoDB, Tailwind CSS

Data Visualization/Dashboard Expert

2022 - 2022
The Nerd Collective LLC
  • Created NFT visualization platform from scratch to a complete dashboard utilizing various APIs.
  • Created a custom charting library based on D3.js and React, which included charts like bar, line, waterfall, and more custom charts.
  • Integrated authentication with web3 platforms like MetaMask, WalletConnect, and Coinbase.
  • Created UI library to be used across the app as in any other project as well.
  • Optimized the overall app's performance with all the best practices and released it to production.
Technologies: CSS, React, Data Visualization, D3.js, Node.js, Figma, Web3.js, ECMAScript (ES6), HTML5, CSS3, Web Development, Tailwind CSS

Senior Front-end Developer

2020 - 2022
Navarc
  • Created a UI kit to be used in the dashboard app to be used by Amazon sellers. Used storybooks for better visibility and exploring options.
  • Built dashboard for Amazon sellers for better insights into their products, campaigns, and more.
  • Created campaign builder and management tool for Amazon sellers.
  • Created custom chart library with the help of D3.js consisting of charts like Bar, Line, Geo, Bubble, Calendar, and more chart types.
  • Built auth, profile management, notification utilities, and more.
Technologies: React, D3.js, Storybook, ECMAScript (ES6), Netlify, HTML, JavaScript, Git, TypeScript, CSS, Responsive Web Apps, Data Visualization, Figma, HTML5, CSS3, Web Development, MySQL, Linux, Node.js, Tailwind CSS

Senior Front-end Developer

2019 - 2020
Lana
  • Built a UI component system to develop mobile applications over it till v2 of the UI components.
  • Developed KYC microapp from start to finish. It is used to record data from the users to be used to create bank accounts and accounts for other services as part of the application.
  • Contributed to the development of various other micro apps like vendors app, transfers app, and more.
  • Contributed to the development of B2B and back-office applications.
Technologies: React, Go, Vue, ECMAScript (ES6), HTML, JavaScript, Node.js, Git, Express.js, GraphQL, TypeScript, CSS, Responsive Web Apps, Figma, HTML5, CSS3, Web Development, Linux

React Native Developer

2019 - 2019
DeepEnglish
  • Created a reusable sentence detection algorithm using JavaScript with rough HTML as input.
  • Developed custom reusable audio and video players for Android and iOS with support for custom controls inside each.
  • Developed push notification functionality for application for both platforms Android and iOS.
  • Constructed full offline compatibility for the lessons to be downloaded and played independently.
  • Created course, lesson set, and lesson viewing experience for both Android and iOS.
Technologies: Firebase, React Native, React, JavaScript, HTML, Node.js, Git, CSS, ECMAScript (ES6), HTML5, CSS3, Web Development, React Redux

React Developer

2019 - 2019
Lanetalk
  • Developed a booking widget for Lanetalk customers from start to finish.
  • Integrated Stripe payment method in the booking widget.
  • Created a scheduling system in the dashboard with FullCalendar.
  • Contributed to the development of groups, pricing, and more in the dashboard.
  • Contributed to the setup of pipelines using GitLab and Docker.
Technologies: Docker, GitLab, Git, FullCalendar, Stripe, Preact, React Router, Redux, React, HTML, JavaScript, CSS, Responsive Web Apps, ECMAScript (ES6), HTML5, CSS3, Web Development, Node.js, React Redux

Senior Web Developer

2018 - 2018
Growflow.ai
  • Developed email and popup builder to be used for marketing campaigns by clients.
  • Developed an AI rule creator in the dashboard, responsible for handling all the rules based on which campaigns will run.
  • Developed a script to be integrated with WordPress and more for executing rules created by an AI.
  • Contributed to the development of the back end based in Laravel.
  • Contributed to the development of authentication, site management, and more.
Technologies: Git, Laravel, WordPress, Keen.io, GraphQL, Redux, React, HTML, JavaScript, Node.js, Express.js, TypeScript, CSS, Responsive Web Apps, ECMAScript (ES6), HTML5, CSS3, Web Development, MySQL, MongoDB, React Redux, Laravel 5

Full-stack Developer

2018 - 2018
Keyo, Inc. (via Toptal)
  • Developed the API and front end for the dashboard.
  • Created listings page/search and individual listing pages.
  • Created an API to fetch location data from Yelp to display in the listings.
  • Created an API to fetch data from Google sheets to display in the dashboard.
  • Contributed to the development of responsive pages.
Technologies: Git, PostgreSQL, Express.js, Redux-Saga, Redux, React, HTML, JavaScript, Node.js, TypeScript, CSS, Responsive Web Apps, ECMAScript (ES6), HTML5, CSS3, Web Development, MongoDB, React Redux

Senior React and React Native Developer

2018 - 2018
Inquirr, Inc. (via Toptal)
  • Created the initial MVP of the product as per the client's requirements.
  • Implemented authentication/authorization systems based on Firebase.
  • Used Firestore to create and fetch live events for the application.
Technologies: Git, Cloud Firestore, Redux-Saga, Firebase, Redux, React, HTML, JavaScript, CSS, Responsive Web Apps, ECMAScript (ES6), HTML5, CSS3, Web Development, React Redux

React Native Developer

2018 - 2018
Panacea Biotech (via Toptal)
  • Developed the meal plan workflow part of application.
  • Built the recipe search and details part of the application.
  • Created the doctor search and profile part of the application.
  • Reviewed code, refactored the codebase for batter performance, and more.
Technologies: Reselect, Redux-Saga, Redux, React, React Native, HTML, JavaScript, Git, CSS, ECMAScript (ES6), HTML5, CSS3, Web Development

Web Developer

2017 - 2017
Bounty0X
  • Created a login/register/profile management system with multiple roles.
  • Created a bounty creation/update/delete management system for admins.
  • Created a response submission/edit/delete management system for users.
  • Added bounty search, filters, and more for bounties.
  • Optimized page performance to be loaded in less than two secconds.
Technologies: ECMAScript (ES6), Reselect, Redux-Saga, Redux, React, HTML, JavaScript, Git, CSS, Responsive Web Apps, HTML5, CSS3, Web Development, React Redux

Front-end Developer

2016 - 2017
Yewno (via Toptal)
  • Developed a full-featured front-end framework for a search engine from scratch to production using React and Redux.
  • Optimized the performance of the search engine to load the website within two seconds.
  • Used D3.js to create an advanced data visualization of the records.
  • Developed a custom and fully responsive WordPress theme to display about the company, products features, testimonials, and more.
Technologies: Git, jQuery, WordPress, JavaScript, Redux, React, HTML, Node.js, Express.js, D3.js, CSS, Responsive Web Apps, Data Visualization, ECMAScript (ES6), Redux Thunk, HTML5, CSS3, Web Development, Linux, React Redux

Full-stack Engineer

2016 - 2016
Ylopo (via Toptal)
  • Added saved searches after login.
  • Created an expired listing details page.
  • Implemented Wishpond in the main website.
  • Implemented the Handraiser block to be sticky when the user scrolls the page.
  • Participated in various refactors of the codebase.
Technologies: Jira, Git, Express.js, Flux, React, HTML, JavaScript, Node.js, CSS, Responsive Web Apps, ECMAScript (ES6), HTML5, CSS3, Web Development, MySQL, Linux, React Redux

Software Engineer

2014 - 2016
Samsung R&D Institute India, Delhi
  • Contributed to the development of a server-side API for B2B TV.
  • Contributed to the development of a TV-side user interface with JavaScript.
  • Developed the front end of the admin panel to manage the TV using AngularJS.
Technologies: C++, JavaScript, HTML, CSS, Responsive Web Apps, HTML5, CSS3, Web Development, MySQL, Linux, Laravel 5

Intern Web Dveloper

2013 - 2013
Invincible Arts
  • Developed an OAuth authentication module to integrate with a social network for sports followers.
  • Improved the basic authentication implemented on the server side of the social network.
  • Implemented a user stats module for the social network.
Technologies: JavaScript, PHP, HTML, CSS, Responsive Web Apps, HTML5, CSS3

Time Management System

Time management system is an app for tracking your daily activities. It has an API as well as a client application. The API is based upon Express.js and client is based upon AngularJS.

DeepEnglish Mobile App with SDT

https://deepenglish.com/
I created a React Native application for an English learning app with native support for audio/video players. I also created a reusable sentence detection algorithm using JavaScript with rough HTML as input. The application featured many other things like offline capabilities, push notification, and more working on both platforms—Android and iOS.

Bounty0x Platform

https://beta.bounty0x.io/explore
I created the alpha release of the bounty0x community web application. The application featured a multi-role web dashboard with capabilities to create gigs/manage gigs/apply for gigs and many other things. The application was built with a React tech stack.

Languages

ECMAScript (ES6), JavaScript, HTML5, CSS3, HTML, CSS, GraphQL, TypeScript, C++, PHP, Go

Frameworks

Redux, React Native, Express.js, Tailwind CSS, Sails.js, Flux, Laravel, Jest, Laravel 5

Libraries/APIs

Preact, React, D3.js, jQuery, Node.js, React Redux, Stripe API, Vue, Reselect, React Router, Stripe, Google Analytics API, Redux-Saga, Web3.js, Highcharts

Tools

Git, Redux Thunk, Adobe Illustrator, Adobe Photoshop, Jira, FullCalendar, GitLab, Figma

Platforms

Linux, Visual Studio Code (VS Code), Meteor, Amazon Web Services (AWS), WordPress, Firebase, Docker, Netlify

Storage

MongoDB, MySQL, PostgreSQL, Cloud Firestore

Other

MacBook, Web Development, Storybook, Responsive Web Apps, Data Visualization, Keen.io

Paradigms

Agile Software Development

2010 - 2014

Bachelor's Degree in Computer Science

National Institute of Technology Patna (NIT Patna) - Patna, India

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