---
title: "Agnideep Bagchi - Software Development Engineer III in Bengaluru | Tal"
description: "Meet Agnideep Bagchi, AI-Augmented Senior Frontend Engineer | Leading Ads Engineering @ Groupon (SDE 3) | 11 Years in eCommerce & SaaS | Performance & Scalability Specialist based in Bengaluru. AI stack includes claude code, claude, and cursor."
image: "https://tal.club/meet/agnideep-bagchi/share-image"
---

# Agnideep Bagchi on Tal

## Headline

AI\-Augmented Senior Frontend Engineer \| Leading Ads Engineering @ Groupon \(SDE 3\) \| 11 Years in eCommerce & SaaS \| Performance & Scalability Specialist

## About

I am an AI\-augmented strategic engineering leader with 11 years of experience driving growth and shipping revenue\-critical platforms, and raising the bar on quality and execution across high\-scale eCommerce and SaaS platforms\. At Groupon, I architected ad systems for 1M DAU, delivering an 11X performance leap and a 310% revenue surge\. My "superpower" is modernizing mission\-critical legacy architectures and navigating migrations without business disruption\. An award\-winning mentor and AI\-augmented frontend developer, I’ve reduced delivery cycles from average 72 man\-hours to 16 man\-hours and slashed infrastructure costs by 81%\. I scale both high\-performance systems and engineering cultures\.

## Location

Bengaluru

## AI stack

claude code

claude

cursor

gemini

mcp

notebooklm

## Work experience

Software Development Engineer III at Groupon, Jan 2024 \- Present · 2 yrs 8 mos, Bengaluru, Karnataka, India, • Leading the Ads Engineering space at Groupon\. Owning frontend architecture, technical decision\-making, execution strategy, and cross\-team coordination, while contributing to system design initiatives and roadmap planning • Designing and developing scalable, high\-performance ad platforms using Next\.js, TypeScript, JavaScript, Tailwind CSS, and Google Tag Manager \(GTM\) • Developed 25\+ AI agents and Claude Skills to automate functional, cross\-functional and company\-wise initiatives, improving developer productivity and reducing delivery timelines from 72 man\-hours to 16 man\-hours • Architected and implemented Core Web Vitals optimization strategies, delivering 11X improvements in UI performance, including LCP, CLS, TBT, and INP • Drove 310% revenue growth of third\-party ads by optimizing ad rendering techniques, layout stability, lazy loading, and viewability metrics • Established and led cross\-functional collaboration initiatives across Engineering, Product, Ad Operations, and external partners, reducing delivery blockers from 40 man\-hours to 6 man\-hours for a quarter\-long project

Software Development Engineer 3 at Hiver, Jun 2021 \- Dec 2023 · 2 yrs 7 mos, Bengaluru, Karnataka, India, • Led team execution and delivery, mentoring a team of 4 engineers while fostering collaboration, technical ownership, and strong delivery accountability • Owned end\-to\-end delivery of 5\+ projects, from spanning ideation and system design to development, release, and post\-launch stabilization • Played a key role in transforming the product into a multi\-channel SaaS platform by introducing chat, WhatsApp, and calling capabilities, and redesigning the frontend architecture for multi\-channel scalability • Championed initiatives to improve platform resilience, scalability, and developer efficiency, aligning solutions with long\-term growth objectives • Optimized infrastructure usage, reduced monthly CDN costs from $20K to $3\.8K • Drove frontend modernization through technology migrations and the creation of a custom design system, improving consistency, scalability, and development velocity • Mentored frontend engineers through code reviews, design discussions, and best practices, improving code quality and technical ownership • Partnered closely with product and business stakeholders to ensure on\-time, high\-quality releases, contributing to product specifications, milestone planning, and design/code reviews

UI Engineer 2 at MoEngage Inc\., Apr 2019 \- Jun 2021 · 2 yrs 3 mos, Greater Bengaluru Area, • Owned UI development and execution for a high\-value, business\-critical product, ensuring quality, performance, and alignment with product requirements • Developed and enhanced frontend features, collaborating closely with senior engineers and product stakeholders to deliver business\-prioritized functionality • Executed refactoring and performance optimization efforts, improving code quality, maintainability, and user experience • Contributed to the frontend technology migration from AngularJS to React, supporting a phased transition while maintaining uninterrupted delivery of business\-critical features

Frontend Developer at Happay \- Expense Management Solution for Businesses, Feb 2018 \- Apr 2019 · 1 yr 3 mos, Bengaluru, Karnataka, India, • Developed a new product from scratch, contributing to architecture, feature development, and release readiness • Focused on frontend performance optimization and scalability across multiple products • Collaborated with design and business teams to improve user experience, define requirements, and execute POCs for product improvements

Technical Associate at PolicyBazaar\.com, May 2017 \- Feb 2018 · 10 mos, Gurgaon, India, • Contributed to frontend technology migration from AngularJS to React, supporting a smooth and incremental transition • Developed new frontend features aligned with product and business requirements • Refactored and optimized the existing codebase to improve performance, maintainability, and stability

Software Developer at Knowcross, Jun 2015 \- Apr 2017 · 1 y 10 mo, New Delhi, • Contributed to frontend technology migration from Silverlight to HTML5, supporting modernization of legacy applications • Implemented new features and resolved bugs, improving functionality, stability, and user experience

## Education

Bachelor of Technology \(B\.Tech\.\), Computer Science & Engineering, West Bengal University of Technology, Kolkata

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

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