Kuber Jha

KJ

Open to opportunities

Kuber Jha

@kuberjha

I build and scale cross-platform B2B and B2C mobile and web products.

What I'm looking for

I'm looking to build high-performance B2B and B2C web and mobile products, lead end-to-end development, improve mobile performance, and contribute to production-scale cross-platform applications.

I've built and scaled B2B and B2C products at Paul Merchants Limited, Tata Communications, and Retail Scan Management Services using React Native, React.js, Java Spring Boot, and MERN technologies.

At Paul Merchants, I revamped the Mayaa Money app from Expo to React Native CLI, reducing cold-start time by 45% and cutting iOS and Android app sizes by 50%. I also built mobile, web, partner portal, and referral products for Paul Gold and Chaupal OTT, supporting 50k+ active users.

At Tata Communications, I led a geofencing-enabled field auditing solution for 1,000+ auditors and built a full-stack workforce-management application with independent Play Store and App Store releases. My travel compliance system with EnableX video and audio calling reduced audit discrepancies by 35%.

I've managed production deployments, mentored junior developers, established React Native best practices, and bring hands-on experience across mobile performance, payments, offline-first applications, and backend API development.

Experience

Work history, roles, and key accomplishments

PL

Current

Full Stack & React Native Developer

Current

Paul Merchants Limited

Mar 2024 - Present (2 years 6 months)

Revamped Mayaa Money mobile application from Expo to React Native CLI, improving app performance and user ratings. Optimized app bundle size across platforms, reducing cold-start time by 45% and achieving 50% size reduction.

React Native Expo React MERN MSSQL Figma UPI Gamezop Lazy Loading Tree Shaking Dynamic Imports

Education

Degrees, certifications, and relevant coursework

CU

Chitkara University

Bachelor of Engineering, Computer Science Engineering

2017 - 2021

Bachelor of Engineering in Computer Science Engineering from Chitkara University, Himachal Pradesh, from 2017 to 2021.

Tech stack

Software and tools used professionally

React Native

Expo

MySQL

MongoDB

SQLite

Node.js

Spring Boot

.NET

Figma

Android Studio

Jira

JavaScript

HTML5

Java

iOS

Firebase

Android

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