Shiphouse E-Commerce Backend

Production-Grade Multi-Tenant SaaS Platform

Architected and built a comprehensive backend system for a multi-tenant e-commerce platform serving multiple online stores with high concurrency and reliability requirements.

Technology Stack

GolangPostgreSQLRedisMeilisearchDocker SwarmPrometheusGrafanaLokiMinIOAnsible

Key Highlights

800+ REST API endpoints serving multi-tenant platform architecture
36+ database indexes optimized for production hot paths
Worker pool processing 50 orders per batch with 4 concurrent workers per node
Server-Sent Events (SSE) system supporting 5000 concurrent clients per store
Multi-node high availability setup using Docker Swarm
Comprehensive monitoring stack with Prometheus, Grafana, and Loki
Integration with 2+ shipping carriers (DHL, FedEx, etc.)
Multi-channel communication (SMS, Email, WhatsApp, Push Notifications)

Technical Challenges

Managing multi-tenant data isolation and security at scale
Optimizing database queries to handle high-traffic production workloads
Implementing real-time updates for thousands of concurrent connections
Orchestrating complex deployment with multiple interdependent services

Outcomes & Impact

Successfully deployed production system handling thousands of daily transactions
Achieved 99.9% uptime through multi-node high availability architecture
Reduced API response time by 60% through strategic indexing and caching
Enabled seamless horizontal scaling to handle growing merchant base