Jaswant Dhayal, Developer in Gurugram, Haryana, India
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Jaswant Dhayal

Verified Expert  in Engineering

Software Developer

Gurugram, Haryana, India

Toptal member since October 6, 2022

Bio

Jaswant is an IT professional with 12+ years of experience in React Native who has worked on 20+ mobile apps. He has a background in analyzing existing functionalities and applications, understanding the present state, finding gaps in processes, and devising roadmaps for enhancing applications. He has excellent communication and interpersonal skills with abilities to resolve complex problems, a sound understanding of mobile technologies, and an analytical bent of mind.

Portfolio

Apollo 24|7
React, React Native, GraphQL, JavaScript, TypeScript...
Xebia Group
React, React Native, GraphQL, Agile Software Development, CSS, Redux...
Tata Consultancy Services
React, React Native, JavaScript, TypeScript, GraphQL, CSS, HTML5, Redux...

Experience

  • JavaScript - 10 years
  • React Native - 7 years
  • TypeScript - 6 years
  • React - 6 years
  • Agile Software Development - 6 years
  • Redux - 6 years
  • GraphQL - 5 years
  • Redux-Saga - 5 years

Availability

Part-time

Preferred Environment

MacOS, Android, iOS, Xcode, Android Studio, GraphQL, REST, React Native, Mobile Development

The most amazing...

...app I've built from scratch is Yes Genie that provides a 360-degree costumer view for the Yes Bank.

Work Experience

Principal Engineer

2021 - 2022
Apollo 24|7
  • Updated React Native version from 0.63 to 0.67.1 and updated React Navigation version from 3 to 6 to get better performance.
  • Enhanced medication and log-in and sign-up process, and as per CleverTap events, got 10% more users after this change.
  • Tracked and fixed bugs using Jira as a reporting tool.
Technologies: React, React Native, GraphQL, JavaScript, TypeScript, Agile Software Development, Redux, Redux-Saga, REST APIs, Git, Firebase, Mobile, Mobile Apps, Mobile UI, Amazon Web Services (AWS), APIs, Node.js, Full-stack, Leadership, Architecture, Software Design, Figma, Responsive Design, Swift, Kotlin, Mobile Security, PHP, Mobile Development, React Redux, Payment APIs, Microservices, Front-end, Videos, Video Streaming, Third-party Integration, Deployment, Integration, Digital Video, HTML, Expo.io, Cross-platform, Firebase Android SDK, Firebase iOS SDK, Design, Responsive Web Design (RWD), Next.js, Geolocation, MySQL, AWS Amplify, Angular, Web Development, Technical Leadership, App Submission, Amazon EC2, MongoDB, Python, Prisma, Tailwind CSS, Realm, REST, NoSQL, Nuxt.js, Vue, Firebase Hosting, GitHub Actions, Cloud Firestore, Apple Pay, Google Calendar, Google Maps, WebSockets, Expo

Lead Consultant

2019 - 2021
Xebia Group
  • Worked with Yes Bank and built Yes Genie mobile app where internal managers can see a 360-degree view of the customer. I also led the team and created end-to-end architecture.
  • Enabled a good boost in customer support and sales for Yes Bank after launching this app. Its team of 10,000+ internal managers started using that app and found it very useful.
  • Tracked and fixed bugs using Jira as a reporting tool.
Technologies: React, React Native, GraphQL, Agile Software Development, CSS, Redux, Redux-Saga, REST APIs, Git, Jenkins, Firebase, Mobile, Mobile Apps, Bluetooth, Mobile UI, Responsive UI, Amazon Web Services (AWS), APIs, 3D, Three.js, Node.js, Full-stack, Leadership, Architecture, Software Design, Builder.io, Figma, Responsive Design, Swift, Kotlin, Mobile Security, Mobile Development, Flutter, React Redux, Payment APIs, Microservices, Front-end, Videos, Video Streaming, Third-party Integration, Deployment, Integration, Digital Video, HTML, Expo.io, Cross-platform, Firebase Android SDK, Firebase iOS SDK, Design, Responsive Web Design (RWD), AngularJS, Next.js, Geolocation, MySQL, AWS Amplify, Angular, Web Development, Technical Leadership, App Submission, Amazon EC2, MongoDB, Prisma, Tailwind CSS, Realm, React Native for Web, REST, NoSQL, RDBMS, Nuxt.js, Vue, Firebase Hosting, GitHub Actions, Cloud Firestore, Apple Pay, Google Calendar, Google Maps, Auth0, WebSockets, Expo

Tech Analyst

2018 - 2019
Tata Consultancy Services
  • Built an internal performance measuring lean tool from scratch while working with Ameriprise Financial.
  • Tracked and fixed bugs using Jira as a reporting tool.
  • Enabled easy performance tracking with the lean tool I implemented and received positive feedback for this.
Technologies: React, React Native, JavaScript, TypeScript, GraphQL, CSS, HTML5, Redux, Redux-Saga, REST APIs, Git, Responsive UI, APIs, Leadership, Software Design, Responsive Design, PHP, Payment APIs, Front-end, Third-party Integration, Deployment, Integration, HTML, Cross-platform, Firebase Android SDK, Design, Responsive Web Design (RWD), AngularJS, Next.js, Geolocation, Technical Leadership, App Submission, Electron, Realm, Firebase Hosting, GitHub Actions, Cloud Firestore, Google Maps, Auth0, Expo

Lead Software Engineer

2016 - 2018
Appster
  • Learned and explored React Native, which is cross-platform but not hybrid, so it improved the app performance compared to Ionic. At that time, React Native was new in the market; clients liked how it worked and gave us positive feedback.
  • Started leading the projects and attending client calls and technical discussions, working completely using the Agile methodology.
  • Helped Appster become a well-known brand in mobile technology.
Technologies: React, React Native, JavaScript, TypeScript, Ionic, CSS, HTML5, Redux, Redux-Saga, GraphQL, REST APIs, Git, Jenkins, Mobile, Mobile Apps, Bluetooth, Cordova Plugins, Mobile UI, Responsive UI, APIs, Architecture, Software Design, Figma, Mobile Development, Deployment, Integration, HTML, Firebase iOS SDK, AngularJS, App Submission

Hybrid App Developer

2015 - 2016
Detecvision Technologies Pvt
  • Learned Ionic and mostly worked on small mobile apps for Android and iOS.
  • Interacted with clients directly on a daily basis, so I learned a lot about client communication.
  • Built a mobile application to pay the school fees and published it for Android and iOS.
Technologies: JavaScript, PhoneGap, Cordova, Ionic, CSS, HTML5, REST APIs, Git, Cordova Plugins, Responsive UI, APIs, HTML, AngularJS

Mobile Application Developer

2013 - 2015
Sparx IT
  • Learned JavaScript and started working with PhoneGap and Cordova hybrid platforms.
  • Worked mostly on kids' apps that were used on mobile tablets.
  • Built Android, iOS, Windows 8, Windows 7, and web apps using a single codebase.
Technologies: JavaScript, PhoneGap, Cordova, CSS, HTML5, Git, Cordova Plugins, Responsive UI

Experience

Apollo 24|7 | Health and Medicine App

https://play.google.com/store/apps/details?id=com.apollo.patientapp
Helped develop Apollo 24|7, India's most trusted pharmacy app for online medicines, lab tests, and doctor consultations.

Apollo 24|7 is the best online doctor and pharmacy app, bringing medicine delivery, doctor consultations, and lab tests on one platform. With the Apollo 24|7 medicine app, users never have to worry about their medicine deliveries.

modUrn

https://apps.apple.com/au/app/modurn/id1267728410
The modUrn app is a detailed and thoughtful platform to store and share a life story. To easily capture, share and collaborate details from a life story, whether it be yourself, a family member, a friend, or a much-loved pet.

The modUrn app is complimented by an urn and memento range with a unique design incorporating smart technology. Each memento or urn is fitted with a Bluetooth beacon which, in proximity, alerts you to a life story that can be viewed, enjoyed, and shared.

Apps for Kids

https://www.criticalthinking.com/software-demos/balance-benders/beginning.html
When I was working with Sparx IT, a leading web and mobile app development company, I built a few apps for kids on the web, Android, iOS, and Windows using the common codebase.

Demo links:

• https://www.criticalthinking.com/software-demos/balance-benders/beginning.html
• https://www.criticalthinking.com/software-demos/riddle-rabbit-prek/index.html

LASHD

https://www.lashd.com
LASHD puts your self-care at your fingertips, with a range of high-quality beauty therapists and health and fitness gurus on demand. Too busy to make it to a salon? Would you prefer to book your beauty appointments for a time and place that suits you? LASHD puts you in control with the convenient, user-friendly mobile beauty appointment app on the market.

From hair, makeup, nails, lash extensions, and waxing to personal training – LASHD has all of your beauty, health, and wellness needs covered.

iOS App: Apps.apple.com/au/app/lashd/id1393913221
Android App: Play.google.com/store/apps/details?id=com.lashd.lashdapp

Education

2008 - 2012

Bachelor's Degree in Computer Science

Rajasthan Technical University - Rajasthan, India

Skills

Libraries/APIs

React, Redux-Saga, REST APIs, Node.js, React Redux, Vue, Google Maps, Firebase Android SDK, Firebase iOS SDK, React Native for Web, Three.js, AWS Amplify

Tools

Git, Cordova Plugins, Figma, Expo, Jenkins, Expo.io, Prisma, Auth0, Builder.io

Languages

JavaScript, TypeScript, CSS, HTML5, HTML, GraphQL, Swift, Kotlin, PHP, Python

Frameworks

React Native, Redux, PhoneGap, Ionic, Angular, AngularJS, Next.js, Nuxt.js, Tailwind CSS, Electron, Flutter

Paradigms

Agile Software Development, Mobile Development, Responsive Web Design (RWD), Microservices, Cross-platform, REST

Platforms

Firebase, Mobile, Amazon Web Services (AWS), Android, iOS, Web, Amazon EC2

Storage

Realm, Cloud Firestore, MongoDB, NoSQL, RDBMS, MySQL

Other

Mobile Apps, Bluetooth, Mobile UI, Responsive UI, APIs, Full-stack, Leadership, Architecture, Software Design, Responsive Design, Videos, Video Streaming, Third-party Integration, Deployment, Integration, Digital Video, Geolocation, Technical Leadership, App Submission, Firebase Hosting, GitHub Actions, Payment APIs, Front-end, Design, Web Development, Google Calendar, WebSockets, Cordova, Location Services and Maps, 3D, Games, 3D Games, Mobile Security, Apple Pay

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