Hi, my name is

Monisankar Nath.

I work on React Native at scale.

I'm a Senior Software Engineer at GeekyAnts, based in Bangalore, India, building mobile and web products with a focus on user experience. Currently exploring new frontend opportunities.

View resume

Where I've Worked

Senior Software Engineer III @ GeekyAnts

Oct 2021 — Present

Lead performance optimization and brownfield migration for India's 2nd largest fashion e-commerce app, eliminating ~1,600 weekly crashes and cutting cold start by ~20% during high-traffic sale events.
Architect high-performance native modules and design systems, building a C++ JSI map clustering engine for 50K+ users and contributing to a SwiftUI design system powering 10+ apps with 500M+ downloads.
Build offline-first video architecture with expo-video-cache (300+ weekly downloads), cutting first contentful paint by ~40% and enabling instant HLS playback for 1,000+ users across 500+ studios.
Drive end-to-end delivery across web and mobile platforms for global clients, reducing auth defects by ~40% across 11 restaurant brands and building full-stack solutions for international markets.

TypeScriptReact NativeNext.jsSwiftNestJSFastAPI

Software Engineer @ Wipro

2020 — 2021

Worked as an HRMS technical Oracle EBS developer, building PL/SQL triggers and reports for enterprise HR systems.

SQLPL/SQLOracle EBS

Case Studies

Deep dives into real systems — architecture decisions, tradeoffs, and results.

2 studies →

Open Source

Libraries and tools I build, maintain, and ship to production.

2 projects →

Writing

Technical blogs on performance, architecture, and engineering craft.

3 posts →

Things I've Shipped

Ajio — India's 2nd Largest Fashion E-commerce

Crash rate 98.79% → 99.91% (~1,600 weekly crashes eliminated). Cold start ↓20%, screen load ↓25%, 60 FPS at 10K+ items.

React NativeSwiftSwiftUIUIKitTypeScript

Darden — $13.2B Restaurant Chain Platform

Auth defects ↓40% across 11 brands, 2,200+ locations. Owned reservation, menu, order tracking, curbside, waitlist end-to-end.

Next.jsReact NativeReactNxTypeScript

Olive Garden · LongHorn Steakhouse · Cheddar's · Ruth's Chris · The Capital Grille · The Capital Burger · Seasons 52 · Eddie V's · Yard House · Bahama Breeze

Talenzap — Skills Contest Video Platform

Launched to 1,000+ users by clearing P0 blockers. Offline-first caching cut cold-start ~35%. Open-source expo-video-cache: 300+ weekly downloads.

React NativeExpoTypeScriptSwiftVideo Streaming

MyJobDrop — Belgian Job Portal

Full-stack platform serving 100+ companies and 1,000+ professionals. End-to-end delivery in a 3-person team.

React NativeFlutterNext.jsFastAPIAWSTerraform

Trovey — Australian Travel & Itinerary App

Custom renderer replacing Konva RN Web. Native-smooth 60 FPS on complex itinerary views across iOS/Android.

React NativeExpoNestJSTypeScript

Jio Design System — 500M+ Downloads Ecosystem

iOS pod size ↓50%, UI bugs ↓40%. Powers 10+ apps across 500M+ download ecosystem.

SwiftSwiftUIFigma

Recognition

Tech Innovator Award @ GeekyAnts

Geospatial map performance optimization on Alarmas — C++ JSI clustering pipeline rendering 1,000+ live devices at 60 FPS.

Impact Contributor Award @ GeekyAnts

Authored expo-video-cache — an open-source HLS caching library for React Native, used in production with 100+ weekly downloads.