Rahul Mangal

About Rahul Mangal

Frontend Lead–IC with 8+ years of experience building high-performance, scalable SaaS applications.I specialize in React and Node.js with a strong focus on frontend performance optimization, Core Web Vitals, and user experience. In my current role at BirdEye, I lead frontend architecture and delivery while remaining deeply hands-on with performance-critical and business-impacting features.Key highlights:• Reduced login page load time by ~50% using AVIF images, CDN delivery, and deferred JavaScript• Strong experience with Web Performance (LCP, FCP, TTI), Lighthouse, and accessibility (a11y)• Designed and built revenue-generating payment modules that became the highest-selling product in 2022• Built Social Engage and Social Approval platforms enabling multi-channel social publishing, scheduling, approvals, and AI-assisted content and response generation, driving an 80% increase in social product adoption• Developed AI-powered customer help systems using blog and video content to reduce support dependency• Fixed critical frontend issues identified during third-party security audits, ensuring GDPR and PCI DSS compliance• Led and mentored frontend teams while owning end-to-end delivery across complex, large-scale dashboards• Experience across SaaS products, enterprise UI platforms, and high-traffic web applicationsI enjoy roles where I can combine hands-on frontend engineering with technical leadership, performance ownership, and architectural decision-making.

Experience

1. Lead Developer

   Birdeye

   May 2022 — Present · Gurugram, IN

   Leading frontend architecture and delivery for a large-scale SaaS enterprise dashboard used by businesses across USA, Canada, UK, and ANZ regions. I balance hands-on frontend engineering with technical leadership, owning performance-critical and business-impacting features.I lead and mentor a team of 5 frontend engineers, driving code quality, architectural decisions, sprint planning, and timely delivery while remaining deeply involved in implementation.Key contributions:• Owned frontend architecture across Payments, Social Engage, Social Approval, and AI-powered workflows.• Built Social Engage, a Facebook-like unified social feed aggregating content from Facebook, LinkedIn, Twitter (X), and YouTube, enabling clients to manage social interactions (viewing, liking, replying to comments, and creating posts) from a single interface.• Optimized Social Engage feed rendering using list virtualization to efficiently handle high-volume posts and comments, significantly improving scroll performance.• Built Social Approval, enabling automated social content creation, scheduling, approvals, and AI-powered content and image generation across platforms.• Social Engage and Social Approval together drove an 80% increase in social product adoption during 2023 and 2024.• Designed and built the Payments module (ANZ region) supporting recurring payments, payment links, and secure public payment flows, making it the highest revenue-generating product in 2022.• Reduced login page load time by ~50% using AVIF image optimization, CDN delivery, and deferred non-critical JavaScript, and improved Core Web Vitals (LCP, FCP, TTI).• Built an AI-powered customer help system using blog and video content, and addressed frontend issues from third-party audits to ensure GDPR and PCI DSS compliance.• Collaborated closely with backend, product, QA, and design teams to deliver scalable, user-focused solutions.

Education

• Rajasthan Technical University, Kota

  Bachelor's Degree, Computer Science

  2008 — 2012

• Govt.Sen Sec School

  12th, Mathematics,Chemistry,Physics

  2005 — 2007

Skills

• Web Services
• Php
• Jquery UI
• Erp
• Angular
• Codeigniter
• Mongodb
• Google Maps
• Ajax
• Firebase
• Html
• Mvc
• Facebook Api
• Jquery
• Cakephp
• Html5
• Cms
• Database Design
• Nosql
• Mysqli
• Google Api
• Mean Stack
• Git
• Javascript
• Html 5
• Json
• React.js
• Laravel
• Programming
• Redux
• Apis
• Typescript
• Wordpress
• Node.js
• Express.js
• Mysql
• Apache
• Paypal Integration