---
title: "Vansh Karnwal - Senior Engineer in Bengaluru | Tal"
description: "Meet Vansh Karnwal, Senior Engineer @ KPIT Technologies | Java | Spring Boot | React.js | AWS | MongoDB | React Native | JavaScript | TypeScript | Ex-Siemens Healthineers based in Bengaluru. AI stack includes claude code, cursor, and elevenlabs. Explore public work links including github and leetco..."
image: "https://tal.club/meet/vansh-karnwal/share-image"
---

# Vansh Karnwal on Tal

## Headline

Senior Engineer @ KPIT Technologies \| Java \| Spring Boot \| React\.js \| AWS \| MongoDB \| React Native \| JavaScript \| TypeScript \| Ex\-Siemens Healthineers

## About

Software Developer with 3\.5\+ years of experience building scalable web and mobile applications using React\.js, React Native, Nodejs and TypeScript\. Tech Stack: React\.js • React Native • TypeScript • NodeJs • MongoDB • JavaScript • Redux • AWS • PostgreSQL

## Location

Bengaluru

## AI stack

claude code

cursor

elevenlabs

gemini

github copilot

hugging face

## Work experience

Senior Engineer at KPIT, Mar 2026 \- Present · 8 mos, As a Senior Engineer at KPIT Technologies, I develop a full\-stack vehicle visualization platform using Java, Spring Boot, React\.js, and MongoDB that enables engineers to analyze autonomous vehicle scenarios through synchronized playback, signal inspection, and interactive visualizations\. I optimized large\-scale telemetry data processing by converting CSV datasets to Apache Parquet and implementing a high\-performance data processing engine, reducing loading times for 3,000\+ row datasets from 2\.5 minutes to under 30 seconds while significantly improving memory efficiency\. I also built dynamic, real\-time visualization dashboards to display the ego vehicle, surrounding traffic participants, obstacles, traffic signals, and vehicle trajectories, enabling faster debugging and validation of autonomous driving scenarios\. Additionally, I developed scalable REST APIs and backend services using Spring Boot to support high\-performance data retrieval and seamless integration between the visualization platform and backend systems\.

Software Engineer at Apptile, Apr 2025 \- Mar 2026 · 1 yr, As a Software Developer at Apptile, I designed and implemented a real\-time live auction system for a live commerce platform using Node\.js, Express\.js, MongoDB, Redis, React\.js, and React Native, enabling thousands of concurrent users to participate in live bidding with sub\-second updates\. I developed scalable backend REST APIs to manage the complete auction lifecycle—including auction creation, start, bidding, and closure—and implemented atomic bid validation with Redis\-based distributed locking to eliminate race conditions during high\-concurrency bidding events\. To deliver a seamless live experience, I integrated Zego WebRTC broadcast messaging for real\-time bid synchronization, countdown timers, and winner announcements across both web and mobile applications, ensuring low\-latency communication and a responsive user experience\.

Software Engineer at Siemens Healthineers, Jul 2023 \- Apr 2025 · 1 yr 10 mos, Built an internal seat reservation platform using React\.js, delivering real\-time seat availability and booking across 2 Siemens campuses supporting 1,000\+ active users\. Integrated secure internal APIs for employee authentication and access control, adhering to enterprise\-grade security requirements and achieving 100% compliance with Siemens IT standards\. Refactored large, monolithic React components into modular, reusable components, improving developer onboarding time by 30% and reducing UI\-related bugs by 20%\.

## Education

Bachelor of Technology \- BTech, Engineering, Graphic Era Deemed to be University

Bachelor of Technology, Computer Engineering, Graphic Era Hill University

## Public links

- github: https://github\.com/onnrent
- leetcode: https://leetcode\.com/rank01

[View the original profile](https://tal.club/meet/vansh-karnwal)

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