Full-Stack Student Engagement Platform

Walmart

Full Stack Developer

June 1, 2020 - March 1, 2022 (3y ago)

Goal

Design, build, and ship a scalable, secure, end-to-end engagement platform for Walmart India HR to manage student interactions, campus events, and placement activities across major colleges — built solo, in a full production Walmart environment, with WCNP certification.

Technical Stack

  • Frontend: React + TypeScript; mobile apps for iOS & Android
  • Backend: Express.js, PostgreSQL, Redis
  • Infrastructure / Platform: Walmart Cloud Native Platform (WCNP)-certified, service mesh, containerized workloads, production-grade deployment

Solutions

Interactive Dashboard:

  • Real-time hackathon & event coordination
  • AMA / QA sessions coordination modules
  • Quiz system with leaderboard
  • Point-based reward store

Admin Portal:

  • React + TypeScript front-end for admins
  • Interfaces for event management, student analytics
  • Monitoring dashboards for resource utilisation, system load

Infrastructure & Planning:

  • Designed for 3,000+ concurrent users, scalable to support ~375,000 students in total
  • Full pricing & resource estimation: compute, storage, network, scaling overhead, cost optimisations
  • Deployed under WCNP with full production environment readiness, security & compliance standards

Impact

  • Delivered from end to end by single developer — from design through deployment and maintenance
  • Achieved WCNP certification and passed Walmart’s internal security & compliance audits
  • Platform live in Walmart’s production service mesh environment, handling real traffic
  • Delivered cost-efficient operations thanks to accurate estimation and infrastructure planning
  • Reduced manual overhead in student engagement & campus event management; improved visibility & control for HR
React
TypeScript
Express.js
PostgreSQL
Redis
Mobile Apps
Walmart Cloud Native Platform (WCNP)
Service Mesh
Project Management