---
title: "Sagar Roy - Tech Lead in Bengaluru | Tal"
description: "Meet Sagar Roy, Tech Lead@Paytm based in Bengaluru. AI stack includes claude and cursor."
image: "https://tal.club/meet/sagar-roy/share-image"
---

# Sagar Roy on Tal

## Headline

Tech Lead@Paytm

## About

As a Software Engineer, I worked with travel, e\-commerce & supply chain technologies\.

## Location

Bengaluru

## AI stack

claude

cursor

## Work experience

Tech Lead at Paytm, Mar 2026 \- Present · 7 mos, Bengaluru

Software Development Engineer 2 at Landmark Group, Sep 2024 \- Feb 2026 · 1 yr 6 mos, Bengaluru, Working on supply chain, inventory, payment, wallet and card microservices for Max Fashion, Lifestyle, Homecentre and more than 15 e\-commerce brands\. Integrated credit card and payment in e\-commerce solution using springboot microservices\. Worked on existing bugs on credit card and PayPal payment\. Implemented skip otp feature for credit card payment whenever applicable\. Implemented express delivery for e\-commerce website implemented it for cart and checkout page, calculated delivery estimation for the express delivery\. Implemented FODEL \(third party\) for pickup location for e\-commerce\. Enhanced push notification for mobile devices and sms on order confirmation, out for delivery using Kafka\. Enhanced the rating service for online and offline purchase\. Having experience with monitoring tool like newrelic and grafana\. Designed and implemented in\-house Forward fulfillment orchestrator using Apache Camel using the SAGA design pattern which process the after order placement incidents like warehouse reservation, shipping, delivery promise etc\. Shortlisted OMS failures from the Kafka queue and provided long term solution for this implementing daily scheduled python jobs\. Implemented toss\-relayer between various services in e\-commerce which reduces the failures\. Implemented parallel processing using locking mechanism in the WMS\.

Software Engineer at Clarivate, Apr 2023 \- Aug 2024 · 1 yr 5 mos, Bengaluru, Karnataka, India, Specializing in scientific and academic research, patent analytics, regulatory standards, and pharmaceutical and biotech intelligence, Clarivate plays a crucial role in advancing knowledge and fostering innovation\. I led the SSO/Shibboleth team, overseeing the seamless integration of new customers across seven different applications\. I effectively addressed SSO\-based login issues by implementing SAML and IdP, ensuring a secure and efficient authentication process\. Furthermore, I introduced automation into the integration process using Springboot and Unix Shell Scripting, resulting in a significant 50% reduction in the overall timeline\. Additionally, I contributed to the development of Spring\-boot micro\-services REST API for the authorization provider \(Internal Service Provider STeAM\) and adeptly managed the training program for newcomers to the SSO/Shibboleth team\.

Contractor at Clarivate, Apr 2022 \- Mar 2023 · 1 yr, Kolkata, West Bengal, India, I played a key role in enhancing the Customer Care Application, an Internal Authorization Provider, by leveraging React JS, resulting in a noteworthy 10% improvement in functionality and user experience\. Additionally, I innovatively designed and implemented new batch jobs to automate the addition of new applications in the authorization process, leading to a significant 40% reduction in processing time\. I executed Liquibase scripts to adeptly manage database modifications, ensuring seamless integration with the evolving needs of the system\. Furthermore, I implemented SSO authentication for customers using SAML, thereby enhancing security measures and facilitating a streamlined authentication process\.

Associate at Cognizant, Dec 2021 \- Apr 2022 · 5 mos, Kolkata, West Bengal, India, Demonstrating an unwavering commitment to continuous learning and professional growth, I acquired proficiency in industry\-specific coding standards\. This contribution played a vital role in enhancing technical processes and effectively documenting crucial aspects of the Oracle 19C Upgrade\. I skillfully engineered a scalable business module featuring a complex business flow, resulting in a notable 10% improvement in performance\. This accomplishment underscores my dedication to creating solutions that not only meet but exceed operational expectations\. Furthermore, I elevated the efficiency of Linux cron jobs during the Oracle 19C Upgrade, exemplifying a commitment to optimizing system processes and ensuring a smooth transition\. This experience allowed me to gain a comprehensive understanding of industry coding standards, and I adeptly crafted technical documentation aligned with best practices\.

Program Analyst at Cognizant, Sep 2020 \- Dec 2021 · 1 yr 4 mos, Kolkata Area, India, I engineered a scalable business module featuring a substantial business flow, leading to a significant 10% improvement in performance\. This accomplishment underscores my ability to create solutions that contribute positively to operational efficiency\. Additionally, I enhanced Linux cron jobs as part of the Oracle 19C Upgrade, demonstrating expertise in industry coding standards and adept documentation practices\. This effort reflected a commitment to maintaining high standards and ensuring seamless technical processes\. Throughout these endeavors, I consistently demonstrated a commitment to efficiency and continuous improvement, showcasing proficiency in optimizing technical processes to enhance system performance during the upgrade\.

Programmer Analyst Trainee at Cognizant, Sep 2019 \- Sep 2020 · 1 yr 1 mo, Kolkata, West Bengal, India, I enhanced the Healthcare Store Retail Application using Angular, resulting in a noteworthy 10% performance improvement\. This achievement underscores my commitment to efficiency and prioritizing a positive user experience\. Furthermore, I acquired proficiency in Agile and Scrum methodologies, showcasing adaptability and a readiness to embrace industry best practices\. This skill set allows for effective collaboration and streamlined development processes\. Demonstrating expertise, I consistently contributed to enhancing application performance, aligning with industry standards\. Additionally, my active engagement in Agile and Scrum practices reflects a commitment to fostering efficient and collaborative development approaches\.

## Education

Bachelor of Technology \- BTech, Electrical Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar

West Bengal Board of Secondary Education, 10th, Hoomgarh Chandabila High School

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

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