Frontend Developer

• Using ES6 Javascript to write Apps in React Native for both Android and iOS/ React Js Web Apps.
• Writing clean Function Based React Components using Hooks using JSX and separate CSS Stylesheets.
• React State Management using redux-toolkit (Implementing Concept of Slices), along with redux-persist.
• Implementing Local Async Storage for offline storage in React Native and Web API - Session and Local

Storage for React JS Web Apps.

• Implementing Middlewares for API calls and network requests using

Thunk (using async function callback and await calls), OR

Saga (using generator functions* and yield calls) [Saga Preferred].

• React HOCs (Higher Order Components), event listeners, timers, intervals, callbacks.
• Able to implement Axios Interceptors” at global level to alter both network requests and responses.
• Building and maintaining uniform “Props controlled” - basic reusable UI components (Buttons, Carousels,

Loaders, Containers, Tables, Modals, Input Fields) from scratch without using 3rd party UI Libraries like MUI,

material design libraries or native-base.

• Working with Nested Navigators - Stack, Tab, Drawer Navigators, and Implementing “auth based”

protected routing between navigators for React Native and same using react-navigation/web for React JS.

• Implementing Promises, Callbacks, Memoization, modular component hierarchy, as and when required to

improve efficiency and reduce cost of Component re-rendering and using props to transfer data from child to

parent without redux.

• Working with Native Modules in RN and respective standard NPM React Native/ React JS libraries for using

Camera API, Permissions API, Local Storage API .

• Using “Flipper” and redux-logger for debugging React Native Apps and Chrome Redux Web Tools for

React Js Web Apps.

• Implementing separate “ENV configurations” for DEV/ UAT/ PREPROD/ PROD (.env files) using NPM

package react-native-config (RN) as well as for React JS.

• Working with basic native build Android Files and iOS files for optimal debug/ release builds of both Android

APKs/ AABs and iOS IPAs.

Android Native build files : [ gradle config files, proguard rules, AndroidManifest.xml ]

iOS Native build files : [ podfile, info.plist, XCode configuration ]

• Knowledge and basic understanding of React/ Javascript AWS SDK, Socket.io, Firebase - FCM Push

Notifications, Google Play console, AWS Amplify for React JS deployment.