Kausthubh — Mobile & SDK Engineering

Timeline

  1. Constantinople

    Engineering Manager - UI & Native Platform · Fintech · Banking · Mobile Apps

    Constantinople is the first AI-native platform that brings everything required to run a bank into a single technology and operations service at a fraction of the traditional cost.

    Impact: 350k+ users in Australia and New Zealand
    • Led the UI & Native Platform squad, help take the Web and Mobile Monorepo live.
    • Played a key role in building frontend capbility across major PODs, while setting TechOps and other SLOs for optimised experience
    Android iOS React native Expo Typescript GoLang
  2. Razorpay

    Senior Software Engineer · Fintech · SDKs, UPI

    Turbo UPI SDK allows end-users to complete their payment in-app, with no redirections or dependence on third-party UPI apps

    Impact: 100k to 500k Monthly Tracked Users
    • Co-created a new authentication mechanism with NPCI, which secured authentication and decreased UPI onboarding (device binding) time by 80%
    • Led key merchant go-lives for marquee merchants like Ola, iXigo adding to the monthly GMV of Rs. 120 Million+
    AndroidiOSFlutterGoLang
  3. CustomerGlu

    Engineering Manager - SDK · Gamification · SDK

    CustomerGlu is a gamification-focused customer engagement and retention platform that helps brands and product teams build interactive in-app experiences (like quizzes, challenges, streaks, scratch cards, and more) to drive higher user engagement, retention, conversions and long-term loyalty

    Impact: 75 Million DAUs
    • Helped platform scale from 20 Million DAUs to 75 Million+ DAU while maintaining 98% crash free sessions.
    • Decreased SDK load time from 4.5 seconds to 0.5 seconds
    AndroidiOSReactReact NativeFlutter
  4. DriveU

    Lead Mobile Engineer · Mobility · Mobile Apps

    Helped scale DriveU’s product suite across Android, iOS, and Driver apps as the platform grew from 100k to 1M+ users.

    Impact: 100k → 1M+ users
    • Worked across consumer + driver experiences.
    • Focused on reliability and scaling fundamentals.
    Android iOS React Native Performance Optimisation