Varun Arora

Software Engineer

India15 yrs 8 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Led transformation of Avatar Editor, reducing latencies by 95%+.
  • Delivered 3D avatar capabilities across Meta's family of apps.
  • Recognized as top 10% reliability contributor during high-stakes launches.
Stackforce AI infers this person is a B2C software engineer specializing in mobile performance and large-scale product delivery.

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Skills

Other Skills

EclipseJavaJava Enterprise EditionSoftware Design PatternsJ2EE Application DevelopmentSQLObject Oriented DesignAndroid StudioSpringHibernate 3.1DebuggingJSFHTMLMySQLSpring Framework

About

Tech lead at Meta, building the systems behind 3D Avatars across Facebook, Instagram, and Horizon Worlds. I specialize in mobile performance, reliability, and large-scale product delivery — turning complex, multi-team challenges into polished user experiences reaching hundreds of millions of people.Over 4+ years at Meta, I've led the transformation of the Avatar Editor from early prototype to a high-performance, cross-platform product — reducing critical latencies by 95%+, improving stability and coverage across surfaces, and shipping features used by people worldwide to express themselves in 3D.Before Meta, I spent a decade in Android engineering across Samsung, Hike Messenger, and health-tech startups, building everything from messaging performance optimizations to Bluetooth-integrated clinical workflows.

Experience

15 yrs 8 mos
Total Experience
2 yrs 7 mos
Average Tenure
5 yrs
Current Experience

Meta

3 roles

Staff Software Engineer

Jan 2026Present · 4 mos

  • Currently leading the integration of MHE(Meta Horizon Engine) to the Meta family of apps(FB, IG) to drive the ambitious goal of scaling Horizon to 100M+ MAU via FoA.

Technical Lead

Promoted

Jan 2024Dec 2025 · 1 yr 11 mos

  • 🔹 3D Avatar Mobile Capabilities — Tech Lead (2025)
  • Led a team of 7 engineers to deliver next-generation 3D avatar capabilities across Meta's family of apps and Horizon Worlds.
  • Driving Interactive Avatars on Horizon Worlds — bringing animated, expressive 3D avatars to Meta's metaverse platform as part of the Avatars 2.0 overhaul announced at Meta Connect 2024 (Road to VR: https://www.roadtovr.com/meta-new-avatar-system-2024/).
  • Shipping new avatar experiences including Emotes, Pets, and an AI/LLM-powered Avatar Editor — aligned with Meta's push for deeper body & face customization with parametric sliders (UploadVR: https://uploadvr.com/meta-avatars-deeper-body-face-customization-and-ai-outfit-assist/).
  • Uplifted core editor quality metric from ~3% to 40%+ (peak 53%), LE coverage from 56% → 73%, and profile avatar coverage from 23% → 44% through sustained, cross-team execution.
  • 🔹 Avatar Editor — Style 2 Live Editing Tech Lead (2024)
  • Led the Android engineering effort to launch Meta's next-generation "Style 2" avatar system (Road to VR: https://www.roadtovr.com/meta-new-avatar-system-2024/) with full body and face parametric customization, color sliders, animations, and real-time 3D interactions — across Facebook, Instagram, and WhatsApp.
  • Reduced app-start latency by ~95% (from minutes to seconds) and click-to-render time by ~97% through prefetching strategies, AR-effect pipeline optimizations, and caching architecture.
  • Cut peak memory consumption by 40% (2.2GB → 1.3GB), enabling the experience on a much wider range of Android devices.
  • Improved stability dramatically — fallback rate reduced from ~40% to <5%; FPS doubled from 10 → 20, unlocking mid-tier devices.
  • Designed the modular Android architecture enabling the Avatar Live Editor to deploy across Facebook, Instagram, WhatsApp, and Horizon from a single codebase.
  • Recognized in the top 10% of reliability contributors company-wide for SEV management during high-stakes launches.

Senior Software Engineer

Mar 2021Dec 2023 · 2 yrs 9 mos

  • 🔹 Avatar Live Editing — First Mobile Launch (2023)
  • Android lead for the maiden release of 3D Avatar Live Editing on mobile — the feature that lets users see a real-time, animated 3D preview of their avatar as they customize it.
  • Shipped Live Editing on Facebook and Instagram Android under tight resourcing constraints, resolving complex integration challenges across the Spark AR Engine, Avatar SDK, and backend systems.
  • Delivered measurable conversion rate improvements — significant NUX and returning-user uplift on both Facebook and Instagram through performance optimizations and UX enhancements.
  • Built the canonical performance and stability dashboards used across the Avatar Editor org to diagnose bottlenecks and track launch health.
  • Identified and fixed critical launch blockers including complex cross-system rendering issues with no clear ownership — took initiative, filed incidents, rallied cross-team engineers, and shipped fixes.
  • 🔹 AR Commerce & Dynamic Ads (2021–2022)
  • Founding member of the London AR Shopper Experience team, building augmented reality advertising experiences for Facebook and Instagram (TechCrunch: https://techcrunch.com/2023/05/04/meta-pitches-augmented-reality-to-advertisers-with-new-ar-reels-ads-and-facebook-stories/).
  • Built the AR Dynamic Ads camera experience on Android — the full camera pipeline enabling advertisers to let consumers virtually try on products using AR effects. Shipped through multiple Alpha rounds to production.
  • Delivered the Instagram Shopping Camera AR integration for virtual product try-ons directly from IG Shops.
  • Drove the One Camera migration on Facebook, consolidating the Ads camera onto Meta's unified media stack with camera preview, effect rendering, and performance instrumentation.
  • Recognized by cross-functional partners as "an excellent communicator and strong collaborator" bridging Commerce, Shopping Ads, and AR Platform teams.

Medtrail

Head of Mobility

Dec 2017Mar 2021 · 3 yrs 3 mos · Noida · On-site

  • Designed and delivered end-to-end mobile solutions (Android/iOS) for "Smart Clinic" healthcare workflows. Integrated Bluetooth LE peripherals (Wacom stylus capture) and Android OTG for clinical device connectivity.

Hike messenger

Senior Software Engineer

Dec 2015Dec 2017 · 2 yrs · Greater Delhi Area · On-site

  • Built the Android micro-app platform enabling React Native + JavaScript experiences within Hike — one of India's largest messaging apps at the time. Delivered high-visibility engagement features contributing to product growth.

Algoworks

Technical Lead

Dec 2014Dec 2015 · 1 yr · Noida Area, India

  • Led a team of 4-6 people on various mobility projects involving interaction with clients, gathering and clarifying the requirements, designing the software solution and implementing the code.

Samsung engineering labs, noida

Software Engineer

Sep 2012Dec 2014 · 2 yrs 3 mos · Noida

  • Improved Samsung Messaging app performance and reliability. Resolved critical ANR/OOM issues under tight release timelines. Built the remote-views messaging widget with view-caching optimizations.

Infosys technologies ltd

Systems Engineer

Jul 2010Sep 2012 · 2 yrs 2 mos · Mysore · On-site

  • Mobile banking and consumer app development across multiple client deployments.

Education

Dr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow

Bachelor of Technology (B.Tech.) — Information Technology

Jan 2006Jan 2010

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