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KOUNDAR BARATHIRAJA SUDHAKAR User

@koundarbarathirajasu

Software engineer across web and mobile who built task-management apps and PostgreSQL-backed features at Wrexa Technologies LLC.

India

Message

At Wrexa Technologies LLC, I developed cross-platform task-management applications for web, Android, and iOS, translating PRDs into functional features and optimizing backend operations with PostgreSQL PL/pgSQL functions.

At KabadCart, I optimized Ola Maps rendering in React Native and integrated FCM, background location tracking, and Node.js REST APIs. I’ve also worked on MQTT-powered machine monitoring at Prince Agency and deployed e-commerce and portfolio websites as a freelancer.

Experience

Work history, roles, and key accomplishments

SDE Intern

Wrexa Technologies LLC

Sep 2026 - Oct 2026 (1 month)

Developed cross-platform task-management applications for web, Android, and iOS by translating PRDs into functional features and optimizing backend operations using PostgreSQL PL/pgSQL functions.

React React Native Android iOS PostgreSQL PL PgSQL PRD Translation

Freelance Frontend Developer

Photography Studio Website

May 2026 - Jun 2026 (1 month)

Designed and built a responsive portfolio site with photography galleries, service pages, and a client contact form.

Frontend Development Responsive Design Portfolio HTML CSS JavaScript

SDE Intern

KabadCart

Apr 2026 - Jun 2026 (2 months)

Optimized Ola Maps rendering in React Native and integrated FCM, background location tracking, and Node.js REST APIs to capture field attendance and deliver real-time notifications.

React Native Ola Maps FCM Background Location Updates NodeJS REST APIs

Freelance Full-Stack Developer

Sakthi Snacks

Mar 2026 - May 2026 (2 months)

Developed and deployed an e-commerce website on Vercel supporting product browsing, customer ordering, and order management.

Ecommerce Vercel Web Development Order Management

SDE Intern

Prince Agency

Jun 2025 - Jul 2025 (1 month)

Integrated MQTT-based hardware telemetry with Firebase Realtime Database for real-time machine status monitoring, production data synchronization, and live React dashboard updates.

MQTT Firebase Realtime Database React Telemetry Data Synchronization