Software Developer (L4)

Building
High-Impact
Infrastructure.

Spearheading Frontend Platform & Infrastructure at Quizizz. Focused on performance, developer velocity, and massive scale.

Chandan Chaurasiya

Automation

80% COVERAGE

12K+

Daily Users Handled

P0 Incident Response

80%

Test Coverage

From 30% baseline

$500K+

Revenue Influenced

Analytics Dashboard

1M+

Student Joins/Day

LMS Integration

Selected Projects

Usage Analytics Dashboard

Full-stack dashboard with multi-dimensional filtering (Vue 3, TypeScript, Chart.js) that unlocked $500K+ in new enterprise district deals and influenced renewal outcomes at Quizizz.

Vue 3TypeScriptChart.jsREST

LMS Join Flow

End-to-end game-join system via Google Classroom, Canvas, and Schoology — supporting 1M+ daily student joins with 99.4% success rate.

Vue 3LTIOAuthTypeScript

Crypto Tracker

Cryptocurrency tracker built with React, Redux, and Coinranking API. Implemented Chart.js for historical visualization and custom filtering routes.

ReactReduxExpressChart.js

Hand Driven Math

MERN Stack app using TensorFlow.js for real-time digit recognition. Features Passport.js authentication and an admin panel for quiz CRUD operations.

ReactTensorFlow.jsNode.jsMongoDB

Frontend Test Automation

Spearheaded Quizizz's frontend test automation initiative — increasing coverage from 30% to 80%, optimizing execution to <300ms, and reducing CI pipeline from 40 to 25 minutes.

PlaywrightVitestCI/CDTypeScript
TypeScriptVue 3ReactNext.jsSvelteKitTanStack QueryPlaywrightTurborepoViteAWSC++
TypeScriptVue 3ReactNext.jsSvelteKitTanStack QueryPlaywrightTurborepoViteAWSC++

Work History

01

Quizizz

Software Developer (L4)

Aug 2023 — Present · Bangalore, India

Vue 3TypeScriptViteTanStack QuerypnpmPlaywrightChart.js

Platform & Infrastructure

  • Traced a P0 production incident (12K users) to a silent Vite module resolution failure; standardized pnpm versions and enforced version pinning across the monorepo.
  • Spearheaded frontend test automation, increasing coverage from 30% to 80% and reducing CI pipeline duration from 40 to 25 minutes.
  • Redesigned the network layer with TanStack Query and TypeScript generics; eliminated circular dependencies and migrated critical paths to Vue Composition API.
  • Championed tech talks on stateless Vue components and Micro-Frontend readiness to drive modularity and developer velocity.

Enterprise Features

  • Architected a full-stack usage analytics dashboard (Vue 3, TS, Chart.js) with multi-dimensional filtering, unlocking $500K+ in new district deals.
  • Re-engineered the frontend auth layer, reducing SSO integration time from 1 week to <4 hours for multi-million dollar international contracts.
  • Full ownership of LMS Join Flow — supporting 1M+ daily student joins via GCL, Canvas, and Schoology with a 99.4% success rate.

Growth & Experimentation

  • Built a custom CSAT solution supporting dynamic question branching and targeted rollouts for data-informed product iterations.
  • Contributed to AI-powered performance reports, leading to a 30% increase in classroom assignments.
  • Developed Library Limits and multi-select archive features, contributing to PQA growth and improved content retention.
02

Simpl

Software Developer

Jul 2022 — Aug 2023 · India

ReactUPI GatewayREST APIsFee Engine

Enterprise & Growth

  • Led UPI integration on Billbox, driving a 30% increase in daily transactions.
  • Overhauled the documentation portal for 20K+ merchants in 10 days via rapid prototyping and user research.

Platform & Risk

  • Led frontend for Pay After Delivery, focusing on UI/UX, cross-browser compatibility, and transaction tracking.
  • Refined convenience fee structures, resulting in a 5% reduction in delinquency rates.
03

Magical Techdom

Software Developer Intern

Jan 2022 — Jun 2022 · India

ReactNode.jsExpressMongoDBTensorFlow.js

Product

  • Built Hand Driven Math — a MERN Stack + TensorFlow.js app for digit recognition with Passport.js auth and an admin panel for CRUD operations.

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