Headline

Engineering Lead · React Native · Payments & Checkout at Scale · 11+ yrs · Zepto, Unacademy, Paytm Money

About

Engineering Lead with 11+ years building high-scale mobile systems across payments, checkout, and real-time platforms. Currently at Zepto, I lead a team of 7 engineers owning checkout and payments — journeys that impact 2.7M+ daily orders. I've scaled this platform from 0.6M to 2.7M orders/day while driving measurable business and technical outcomes: • Led migration from Juspay to in-house payment platform — conversion 82% → 93%, page load 5.5s → 1.6s • Launched Scheduled Delivery — 1.2M additional orders in 2 months • Built Instant Checkout & Post Order Item Addition — +10K OPD • Reduced API failures by 9% via fallback DNS; cart load time 3.3s → 2s • Designed observability stack (Grafana, ClickHouse) for API latency and funnel monitoring Previously: • Unacademy — Built real-time classroom infra (WebRTC, HLS, live streaming) for thousands of concurrent users • ClearTax — Founding mobile engineer; shipped Digital Ledger app (React Native, KMP, GraphQL) • Paytm Money — Founding Android engineer, built app from scratch • Co-founded Dose FM — India's first audio platform for voice artists and storytellers Tech: React Native, Kotlin, Jetpack Compose, System Design, CI/CD, Maestro, Performance Optimization 🏆 Spotlight Award (Zepto, 2024) · PCI-DSS compliance contributor · Android Studio Community Collaborator Open to Engineering Lead / Staff Mobile Engineer roles where I can own critical user journeys at scale.

Location

Bengaluru

AI stack

claude

cursor

mcp

opencode

Work experience

Engineering Lead – Mobile at Zepto, Jun 2024 - Present · 2 yrs 3 mos, Bengaluru, Leading a team of 7 engineers (6 direct reports) owning checkout and payments roadmap for Zepto's consumer app. • Scaled platform from 0.6M → 2.7M+ daily orders • Led Juspay → in-house payment migration: conversion 82% → 93%, page load 5500ms → 1600ms • Launched Scheduled Delivery — 1.2M additional orders within 2 months (Team Award) • Built Post Order Item Addition (+10K OPD) and Instant Checkout (pay post order placement) • Reduced API failures by 9% using fallback DNS strategy • Improved cart load time from 3300ms → 2000ms • Designed observability dashboards and alerts (Grafana, ClickHouse) for API latency, payload, and funnel monitoring • Designed scalable payment architecture with fallback mechanisms for reliability • Drove AI-assisted development workflows across code reviews, documentation, and test generation • Contributed to Zepto's PCI-DSS compliance via secure payment design • Authored engineering blog on CodePush automation strategy for multi-version RN apps Tech: React Native, TypeScript, Kotlin, System Design, Grafana, ClickHouse, Maestro, CI/CD

Senior Software Engineer at JLL Technologies, Jul 2023 - Jun 2024 · 1 yr, Bengaluru, Platform engineer on PRISM, JLL Technologies' commercial real estate mobile platform. Focused on performance, stability, and engineering excellence at the platform level — not feature shipping alone. • Resolved ANRs, frame drops, and cold-start bottlenecks across the Android app • Reduced APK size and improved Time-To-Interact (TTI) • Defined coding standards and review practices for the mobile team • Built features improving operational workflows for property managers and tenants

Engineering Lead – Mobile/Web at Unacademy, May 2021 - Mar 2023 · 1 yr 11 mos, Bengaluru, Built real-time classroom infrastructure powering live education at scale. • Built WebRTC-based live streaming supporting thousands of concurrent users • Developed educator whiteboard for Web and Android (drawing, scaling, rotation) • Implemented in-house live streaming, greenscreen, HLS, and offline classroom support • Launched interactive features: audio rooms, in-class polls, chat, doubt resolution via WebSockets Tech: Android, Kotlin, Coroutines, Jetpack Compose, React Native, WebRTC, JavaScript

Mobile Developer at ClearTax India, Oct 2019 - May 2021 · 1 yr 8 mos, Greater Bengaluru Area, Part of the founding mobile team building India's MSME companion app. • Developed Digital Ledger Management app (React Native + Kotlin) • Integrated KMP, Apollo GraphQL, Redux, SQLDelight • Automated CI/CD with Fastlane, GitHub Actions, and pre-commit hooks • Authored E2E tests with Detox and Jest Tech: React Native, Kotlin, KMP, GraphQL, Redux, Fastlane

Co-Founder at Dose FM, Jul 2018 - Oct 2019 · 1 yr 4 mos, Bengaluru Area, India, Built India's first audio platform for voice artists, radio jockeys, singers, and storytellers. Tech: Android, Kotlin, MVVM, Retrofit, Room DB

Education

Bachelor of Technology (B.Tech.), Software Engineering, Delhi Technological University (Formerly DCE)

Public links

github: https://github.com/rishabh876

medium: https://medium.com/@rishabhharit

m.economictimes.com: https://m.economictimes.com/industry/services/consultancy-/-audit/cleartax-acquires-dose-fm-absorbs-its-team/articleshow/71633970.cms