---
title: "Himanshu Sahu - Senior Software Engineer in Bengaluru | Tal"
description: "Meet Himanshu Sahu, Senior Software Engineer @ LeadSquared | Frontend | Javascript • React • TypeScript • Rspack • Performance Optimization based in Bengaluru. AI stack includes claude code, codex, and cursor. Explore public work links including github and leetcode."
image: "https://tal.club/meet/himanshu-kumar-sahu/share-image"
---

# Himanshu Sahu on Tal

## Headline

Senior Software Engineer @ LeadSquared \| Frontend \| Javascript • React • TypeScript • Rspack • Performance Optimization

## Location

Bengaluru

## AI stack

claude code

codex

cursor

github copilot

windsurf

ChatGPT

## Work experience

Senior Software Engineer at LeadSquared, Apr 2025 \- Present · 1 yr 5 mos, ● Led production releases, hotfixes and patch deployments across 18 microfrontends, ensuring reliable releases with zero production downtime\. ● Saved \~$2K/month in AWS CDN costs by implementing browser caching with optimised headers and asset versioning for JavaScript assets, reducing redundant CDN requests\. ● Standardized production observability by implementing structured logging, user metadata and monitoring dashboards using Coralogix and New Relic, enabling faster root\-cause analysis for frontend applications\. ● Resolved 150\+ production issues across authentication, telephony, Service Cloud, Lead360, Smart Views and CRM modules by collaborating with platform and backend teams, improving overall product reliability\. ● Contributed to code reviews across 18 microfrontends, improving engineering quality and maintaining consistent development standards\. ● Implemented Claude agents, hooks, skills, and automated verification workflows to enforce project standards for AI\-generated code\.

Software Engineer at LeadSquared, Apr 2023 \- Mar 2025 · 2 yrs, ● Reduced P99 load time by 80% \(12s to 3s\) on 6× CPU slowdown through optimizing critical rendering path, JavaScript bundle, and performance\-focused development from scratch, implementing intelligent prefetching and preloading aligned with user workflows, enhancing user retention and satisfaction\. ● Designed and built a browser\-based performance diagnostics framework that generated customer environment reports, including network, device, memory, cache efficiency, slow APIs, slow assets and client\-server latency, enabling support teams to triage performance issues, reducing unnecessary engineering escalations\. ● Reduced customer\-reported production exceptions by 50% by integrating New Relic monitoring for proactive issue detection\. ● Engineered a high\-performance, pixel\-perfect in\-house UI component library with accessibility and unit/integration tests; revamped the design system in Figma, driving a 30% increase in design satisfaction and adoption across 5\+ teams\. ● Delivered a high\-traffic product feature serving over 250K page visits on launch day, ensuring performance and stability in production\.

Associate Software Engineer at LeadSquared, Oct 2021 \- Mar 2023 · 1 yr 6 mos, ● Collaborated with Product Managers to define user\-centric features and delivered them ahead of schedule, resulting in a 20% increase in customer onboarding\. ● Improved app stability by 25% by resolving 200\+ bugs and design issues and made the app production\-ready before the deadline\. ● Built pixel\-perfect, responsive, scalable UI components, achieving 100% design from Adobe XD and enabling cross\-team adoption\.

## Education

Bachelor of Engineering \- BE, Computer Science, Shri Shankaracharya Technical Campus Bhilai

## Public links

- github: https://github\.com/himanshusahu99
- leetcode: https://leetcode\.com/himanshu1905

[View the original profile](https://tal.club/meet/himanshu-kumar-sahu)

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