Architecture

Distributed Smart Home Platform

GraphQL Federation microservices platform serving millions of connected IoT devices using Apollo Federation, NestJS, and Azure Kubernetes Service

GraphQLApollo FederationNestJSTypeScriptAzure Kubernetes ServiceMicroservicesAuth0PostgreSQLEvent-Driven Architecture

Project Overview

Led architecture and development of a globally distributed smart-home control platform serving millions of IoT device users. Designed and maintained a vertically-partitioned Apollo Federation graph across semantic microservice subgraphs (Device Management, User Profiles, Rules Engine, Notifications, etc.) deployed on AKS across multiple regions. Implemented federated authentication using Auth0 with role-based access control (RBAC), event-driven real-time pipelines for device state synchronization, and comprehensive observability via ELK stack.

This project showcases modern web development practices, clean architecture, and user-centered design principles. It demonstrates the ability to work with complex requirements and deliver solutions that balance functionality, performance, and user experience.

Key Achievements

✓Architected Apollo Federation modernization spanning 20+ semantic microservice subgraphs with vertical partitioning
✓Designed distributed system scaling to millions of concurrent connected devices globally
✓Implemented Auth0 federated auth with JWT validation and RBAC across the graph
✓Built event-driven real-time pipelines using async services for device state & notifications
✓Designed multi-region failover & disaster recovery strategies achieving 99.9%+ uptime
✓Mentored engineers on GraphQL Federation patterns and distributed systems architecture

Technologies Used

GraphQL

Apollo Federation

NestJS

TypeScript

Azure Kubernetes Service

Microservices

Auth0

PostgreSQL

Event-Driven Architecture

2023

Year Completed

Architecture