Raj Karthik Bhatt

Overview

Senior Full-Stack Engineer at Lululemon, focused on growth engineering. Cut p99 latency on the growth services from 742ms to 172ms. Before that: Sun Life and Meta. Most at home with PostgreSQL and Node.js. Outside work: long runs and longer podcasts.

Fastest replies in the morning

Experience

1. Senior Full-Stack Engineer

   Nov 2025 - Present
   Lululemon · 11 mo · Full-time · Waterloo, ON
   • Grew the growth team from 3 to 20 engineers.
   • Brought on-call pages for growth down from 32 a week to 2.
   • Mentored 14 engineers through their first promotion.
2. Full-Stack Engineer

   Oct 2023 - Nov 2025
   Sun Life · 2 yr 1 mo · Full-time · Waterloo, ON
   • Shipped a rewrite that took build times from 32 minutes to under 3.
   • Moved 93% of growth traffic off a legacy monolith without a customer-facing incident.
3. Full-Stack Engineer

   Oct 2021 - Oct 2023
   Meta · 2 yr · Full-time · Waterloo, ON
   • Cut p99 latency on the growth services from 440ms to 41ms.
4. Full-Stack Engineer

   Mar 2018 - Oct 2021
   Canadian Tire · 3 yr 7 mo · Full-time · Waterloo, ON
   • Shipped a rewrite that took build times from 33 minutes to under 3.

Projects

No references yet.

Education

1. Concordia University

   BEng, Computer Science
   2012 - 2016