---
title: "Sriram Paramasivam - Software Development Engineer III in Bengaluru | Tal"
description: "Meet Sriram Paramasivam, Frontend Principal Engineer | MFE & Web Platform Architecture | React · Next.js · TypeScript | Fintech & E-commerce at Scale based in Bengaluru. AI stack includes claude, codex, and cursor. Explore public work links including github."
image: "https://tal.club/meet/sriram-paramasivam/share-image"
---

# Sriram Paramasivam on Tal

## Headline

Frontend Principal Engineer \| MFE & Web Platform Architecture \| React · Next\.js · TypeScript \| Fintech & E\-commerce at Scale

## About

I build web platforms that scale and engineering teams that grow\. 🚀 For the past 10 years I've led frontend architecture at Tesco, Upstox, and SAP across fintech, e\-commerce, and enterprise SaaS\. Right now I'm Principal Frontend Engineer at Tesco, owning 3 cross\-functional squads across Marketplace, F&F, and Groceries & Home Shopping\. People\. Architecture\. Delivery\. Quality\. All of it\. 🎯 What I've shipped → Cut Upstox's account opening load from 15s to 1s — 60% lift in lead conversions → Next\.js 14 migration — sub\-1s load, 2× organic traffic, page\-1 Google rankings\. Became Upstox's primary acquisition channel\. → INP 443ms → 180ms across 5,000\+ stock pages — 10× traffic growth → Tesco PDP Microfrontend across 3 verticals — zero cross\-squad release coupling, INP \+30%, LCP \+25% in production → EventConn at SAP — real\-time pub/sub framework, 10 days to build, 90% cloud cost reduction\. SAP Innvent 2021 finalist\. 🤝 On the people side → Run hiring loops\. Defined engineering growth tracks\. → Promoted 2 engineers to Senior in 12 months\. → Set OKRs jointly with product leadership\. → I go from Architecture Decision Records → 1:1s → exec presentations in the same week\. If you're building something ambitious in fintech, e\-commerce, or platform engineering I'd be glad to connect\. 💬

## Location

Bengaluru

## AI stack

claude

codex

cursor

geminicli

github copilot

kilocode

## Work experience

Software Development Engineer III at Tesco, Feb 2025 \- Present · 1 yr 8 mos, Bengaluru, Karnataka, India, Principal Engineer for 3 cross\-functional squads across Marketplace, F&F \(clothing\), and Groceries & Home Shopping 6 to 10 engineers\. Accountable for people, architecture, delivery, and quality across all 3 verticals\. 🏗️ Architecture · Defined PDP Microfrontend from first principles MFE boundary contracts and ADRs · Enabled fully independent deployments across all 3 verticals with zero cross\-squad release coupling · Scaled shared Design System across Marketplace, F&F, and GHS — eliminated component duplication, codified brand standards ⚡ Performance · INP improved 30%, LCP improved 25% in production — enforced as team SLAs · End\-to\-end performance engineering: CPU/memory profiling, load testing, pod\-restart elimination · Built observability stack \(New Relic RUM, Synthetics, CTILs\) — shifted squads from reactive to proactive; reduced frontend incident MTTR 🚢 Delivery · Owned Buy Now, Multi\-Seller Marketplace, and BuyBox Panel — measurable add\-to\-basket conversion lift across millions of weekly sessions · Defined quarterly OKRs with product leadership — business goals mapped directly to engineering targets · Ran Optimizely A/B programme across PDP squads 👥 People · Led hiring loops — technical interviews, levelling calibration, headcount planning · Mentored 4 engineers on MFE, Core Web Vitals, and accessibility · Championed TDD \(Jest \+ Playwright\) defect escape rate and on\-call burden reduced quarter\-over\-quarter

Software Development Engineer III at Upstox, Apr 2023 \- Jan 2025 · 1 yr 10 mos, Bangalore Urban, Karnataka, India, Led frontend platform transformation from a CMS\-dependent site into a performance\-first growth engine\. Promoted SDE II → III in 9 months — half the standard 18\-month track\. 🏗️ Architecture · Spearheaded full platform migration from WordPress to Next\.js 14 App Router — sub\-1s load times, 2× organic traffic, first\-page Google rankings · Architected 5,000\+ Stock & Indices pages — INP reduced 443ms → 180ms, driving 10× user traffic growth · Contributed to Design System evolution — modularised core UI components across trading, KYC, and marketing journeys · Built Core Web Vitals monitoring dashboard — continuous regression alerting, adopted as team performance SLA contract ⚡ Performance · Overhauled Account Opening journey — page load from 15s to 1s \(93% cut\) via code\-splitting, lazy hydration, and UX rationalisation · As SDE\-II: reduced first paint times by 80% via skeleton loaders, caching, and async data hydration · Collaborated with SEO, backend, and mobile teams — unified experiences across web, mWeb, and in\-app WebViews 🚢 Delivery · Built custom Webinar platform and Account Closure automation — 95% manual process reduction, 50% operational cost savings · Delivered Roundup content platform \(1\.5M views, 430 demat conversions\) and Upstox News \(10× traffic growth, first\-page Google placement\) 👥 People · Promoted SDE II → III in 9 months vs\. 18\-month standard track — recognised for leading two platform\-defining migrations simultaneously · Mentored engineers on performance engineering, Core Web Vitals, and component\-driven architecture

Software Development Engineer II at Upstox, Mar 2022 \- Mar 2023 · 1 yr 1 mo, Bangalore Urban, Karnataka, India

Developer at SAP SuccessFactors, Apr 2020 \- Mar 2022 · 2 yrs, Bangalore Urban, Karnataka, India, Shipped recruiter\-critical features outside SAP's rigid 6\-month release cycle while leading an org\-wide accessibility programme that directly unlocked enterprise contracts\. 🏗️ Architecture · Architected standalone React microsite for Recruiting Candidate Workbench — shipped in weeks vs\. standard 6\-month release cadence · Designed EventConn Framework — real\-time pub/sub alternative using React, Redux Toolkit, TypeScript\. 90% cloud cost reduction\. SAP Innvent 2021 Finalist\. · Acted as SME for cloud machine\-based dev environment setup — unblocked 2 distributed teams during remote transition ⚡ Performance & Quality · Reduced recruiter processing time by 40% via Workbench microsite — measurable NPS improvement for enterprise recruiting teams · Built Config Solver Slack Bot — ML\-powered incident resolution, eliminated 100% of config\-related support tickets\. Hackathon winner\. 🚢 Delivery · Scrum Master across 2 distributed teams — standardised sprint rituals, backlog grooming, and executive stakeholder communication · Increased sprint velocity consistently quarter\-over\-quarter 👥 People & Compliance · Led 9\-member cross\-functional accessibility task force — resolved 200\+ WCAG 2\.1 defects · Compliance certification directly unlocked enterprise contracts in accessibility\-regulated markets across Europe and North America

Senior Developer at HCL Software, Oct 2019 \- Apr 2020 · 7 mos, Bangalore Urban, Karnataka, India, Led frontend delivery on enterprise UI platform\. Served as technical bridge between product and engineering teams\. Introduced UI automation to increase development throughput\.

Software Engineer at Pogeyan Technologies Private Limited, Jan 2018 \- Sep 2019 · 1 yr 9 mos, Bangalore Urban, Karnataka, India, Early\-career role building enterprise UI applications and establishing component\-driven development standards across the team\. · Delivered enterprise\-grade UI applications using React, \.NET, and modern JS frameworks — set reusable patterns and UI standards · Built test automation frameworks — reduced regression bugs by 40%, increased QA throughput significantly · Mentored junior developers on component\-driven design and performance profiling · Built and maintained core modules for Microsoft Dynamics CRM and a browser\-based document editor — faster time\-to\-market, improved maintainability

Software Engineer at Syncfusion, Aug 2015 \- Jan 2018 · 2 y 5 mo, Chennai

## Education

Engineer’s Degree, Electrical, Electronics and Communications Engineering, Anjalai Ammal Mahalingam Engineering College

## Public links

- github: https://github\.com/SriramParamasivam

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

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