Principal Frontend Engineer · Toronto, Canada

Hi, I'm Raju Konga

I design, scale, and modernize large-scale, high-traffic web platforms. With 10+ years of experience, I specialize in frontend architecture, micro-frontends, performance optimization, and building systems that deliver measurable business impact.

Currently at Amazon, I architect mission-critical platforms, mentor engineering teams, and drive technical strategy. I'm passionate about creating durable systems, establishing best practices, and leveraging AI-driven development to scale impact.

Core expertise

  • Frontend Architecture – Micro-frontends, design systems, platform standardization, and scalable state management.
  • Performance & Scale – Core Web Vitals optimization, bundle optimization, lazy loading, and caching strategies.
  • Technical Leadership – Mentoring engineers, architecture reviews, cross-team influence, and roadmap ownership.
  • Modern Stack – React, Angular, TypeScript, Next.js, Tailwind, Jest, Cypress, and CI/CD automation.

Selected projects

A sample of the products and interfaces I've designed and built across developer tools, e‑commerce, and rich web applications.

Antkorp

HTML5 · Collaboration

Enterprise collaboration and communication tool built with HTML5, WebSockets, Backbone, RequireJS and a modular MVC architecture.

ArkeyJS

Open‑source · Custom elements

A lightweight polyfill that bridges custom elements spec v0 and v1, allowing existing components to run consistently across browsers.

Comecero App

E‑commerce

Contributed as a freelancer to a feature‑rich e‑commerce platform with a focus on purchasing flows and front‑end UX.

View product →

Real‑time multiplayer games

HTML5 · WebRTC · WebSockets

Two real‑time multiplayer games built with canvas, WebRTC and WebSockets, designed to feel native‑speed with responsive layouts.

CV Template & Arkey Portfolio

UI · Templates

CSS‑only résumé template and portfolio site template designed to showcase experiments and code snippets in a focused layout.

Experiments & open‑source

I explore new browser features through small, focused experiments—from worker messaging to WebRTC data channels and scraping pipelines.

Thread communication with MessageChannel

Experiment in coordinating work between HTML5 Web Workers using the MessageChannel API to process requests in parallel.

Peer‑to‑peer multiplayer game

Real‑time multiplayer game using canvas and WebRTC data channels—no server relay for game state, just peer connections.

Shared drawing board

A collaborative drawing surface where every stroke is broadcast to all participants in real time.

ArkeyFloats

HTML5 slideshow framework with support for code snippets, headings and rich animations—built for technical presentations.

Rawbot: web scraping tool

Experiment in anonymous scraping using rotating IPs, user agents, sessions and referers, powered by TOR and PhantomJS.

Talks & presentations

I enjoy sharing what I learn about web platform capabilities and how to use them pragmatically in production.

HTML5: manage the web!

HTML5 · APIs · Browser features

A talk covering modern HTML5 capabilities and JavaScript APIs—from storage and real‑time communication to advanced graphics—focused on how to apply them in real projects.

View presentation →

Let's talk

Whether you're building a real‑time product, need help with a front‑end architecture, or just want to jam on web platform ideas, feel free to reach out.

Send a Message

Response Time

I typically respond within 24-48 hours during business days. For urgent matters, please reach out via LinkedIn or email directly.

Blog: blog.kongaraju.in