---
title: "Rahul Mondal - SDE 1 in Bengaluru | Tal"
description: "Meet Rahul Mondal, SDE 1 at Ola based in Bengaluru. AI stack includes codex, cursor, and github copilot. Explore public work links including leetcode and github."
image: "https://tal.club/meet/rahul-mondal/share-image"
---

# Rahul Mondal on Tal

## Headline

SDE 1 at Ola

## About

I'm a passionate Software Engineer currently working at Ola, where I contribute to building and scaling critical payment systems that power millions of transactions\. My role involves designing robust backend architectures, implementing secure and efficient payment workflows, and integrating with various services to ensure reliability at scale\.

## Location

Bengaluru

## AI stack

codex

cursor

github copilot

ChatGPT

## Work experience

SDE 1 at Ola, Jan 2025 \- Present · 1 yr 8 mos, Building performant and scalable payment systems to deliver reliable, low\-latency transaction processing and seamless user experiences at scale\. Optimized large\-scale accounting and settlement cron jobs using Apache Spark, reducing processing time from hours to minutes through batch data fetching and distributed parallel processing\. Developed a real\-time Subscription AutoPay platform enabling automatic payment deductions and subscription management for driver partners\. Designed and implemented discount and cashback frameworks to support promotional campaigns, improve user engagement, and drive subscription adoption\. Contributed to the architecture and enhancement of payment infrastructure with a focus on scalability, performance, and operational efficiency\.

Software Developer Engineer Intern at Ola, Jun 2024 \- Dec 2024 · 7 mos, • Built and optimized distributed payment systems using Apache Kafka, Redis, and Apache Spark, reducing data processing and job execution times from hours to minutes through parallel processing and caching strategies\. • Developed secure driver subscription purchase flows by integrating Razorpay APIs, implementing UPI mandate based recurring payments, REST APIs, and token\-based validation to enable seamless automated transactions\. • Implemented fraud detection checks and billing workflows, calculating upfront and final bills with GST, TDS, and other tax components, while introducing subscription add\-ons and cohort\-based cashback/discount systems to improve conversion rates and platform revenue\. • Improved payment system reliability by upgrading Apache Kafka to version 3\.7, enabling the deprecation of Apache ZooKeeper, and built a Grafana dashboard to monitor payment success and failure rates across multiple gateways\.

Full Stack Developer Intern at EY, Dec 2023 \- Mar 2024 · 4 mos, Remote

Full Stack Engineer at EY GDS \- AICTE, Dec 2023 \- Mar 2024 · 4 mos, • Strategized enhancements to the platform’s interfaces, pricing updates, and checkout processes to achieve a growth in user engagement\. • Implemented newsletter functionality, utilizing Django and PostgreSQL for personalized content delivery and analytics to achieve growth\.

Cyber Security Intern at THECYBERHOST™, Aug 2023 \- Sep 2023 · 2 mos, Delhi, India

Web Development Intern at PHN Technology Pvt Ltd, Apr 2023 \- Jun 2023 · 3 mos, Maharashtra, India

## Education

Bachelor of Engineering, Computer Engineering, APS college of Engineering

## Public links

- leetcode: https://leetcode\.com/rahulmondal779
- github: https://github\.com/rahulmondal779

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

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