---
title: "Karthick Ramjee - Lead Software Engineer in Chennai | Tal"
description: "Meet Karthick Ramjee, Lead Software Engineer at Chargebee based in Chennai. AI stack includes claude, codex, and cursor. Explore public work links including github and leetcode."
image: "https://tal.club/meet/karthick-ramjee/share-image"
---

# Karthick Ramjee on Tal

## Headline

Lead Software Engineer at Chargebee

## About

💡 Software Engineer \| 8\+ Years 🚀 Experience in designing and optimizing scalable, high\-performance systems\. Passionate about solving complex technical challenges, reducing latency, improving system reliability, and optimizing cloud infrastructure\. 💻 Skilled in: Java, Spring Boot, PostgreSQL, AWS, System Design, and Event\-Driven Architectures \(Kafka, SQS\)\. 🔹 Proven track record in enhancing system performance, building distributed systems, and leveraging cloud\-native solutions to drive business growth\. 🔹 Strong advocate for scalability, fault tolerance, and efficient system design\. 🔹 Always eager to learn, adapt, and push the boundaries of backend engineering\. 🎯 Continuous Learner \| Problem Solver \| System Design Enthusiast I’m always eager to collaborate, innovate, and push the boundaries of backend engineering\. 📌 Let’s connect and discuss Scalable Architectures, Distributed Systems, and Cloud\-Native solutions\! 🚀

## Location

Chennai

## AI stack

claude

codex

cursor

hugging face

lovable

notion

## Work experience

Lead Software Engineer at Chargebee, Aug 2025 \- Present · 1 yr 1 mo, Chennai, Tamil Nadu, India

Senior Software Engineer at Rocketlane, Jan 2021 \- Aug 2025 · 4 yrs 8 mos, Chennai, Tamil Nadu, India, 🚀 Key Achievements at Rocketlane: ✅ Implemented Database Sharding, improving scalability and boosting query performance by 50%\. ✅ Optimized API handling with Nginx, reducing deployment time by 80%\. ✅ Reduced core API latency to under 500ms, enhancing system responsiveness and ensuring 99\.9% SLO adherence\. ✅ Increased Customer Satisfaction \(CSAT\) by 90% through performance tuning and system optimizations\. ✅ Designed and implemented time tracking & resource management, improving operational efficiency\. ✅ Built Rocketlane's Staging environment from scratch on AWS, streamlining deployments\. ✅ Mentoring juniors in backend development, code quality and best practices\. 💻 Tech Stack: Java, Spring Boot \| Infrastructure: AWS \| Monitoring: Datadog

Technical Analyst at Citi, Jul 2017 \- Dec 2020 · 3 yrs 6 mos, Chennai Area, India, 🚀 Key Projects & Contributions: ✅ Developed a Reconciliation Service to ensure data consistency between two systems \(Java\)\. ✅ Built a Trading Dashboard to display market insights and statistics \(Angular 4\)\. ✅ Engineered an Automated Checkout Service, reducing post\-deployment manual effort \(Java 8, Spring Boot, Angular 4\)\. ✅ Contributed to FXClick 3\.0, a platform displaying positions alongside trade details \(Java 8, Angular 4\)\. 💻 Tech Stack: Java, Spring Boot, Angular 4

Internship at Fifth Generation Technologies India \(P\) Ltd, May 2016 \- Jun 2016 · 2 mos, Chennai, ✅ Developed Android applications using Native Android \(Java, Kotlin\) and Hybrid frameworks \(Ionic, AngularJS\) for cross\-platform compatibility\. 💻 Tech Stack: Java, Ionic, AngularJS

## Education

Bachelor of Engineering \(BEng\), Computer Science and Engineering, College of Engineering, Guindy

12th standard, Maths, Physics, Chemistry, Computer Science, D\.A\.V higher secondary school

## Public links

- github: https://github\.com/karthick03
- leetcode: https://leetcode\.com/karthick03

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

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