Projects

Distributed E-commerce Platform

Built a scalable e-commerce platform serving 100K+ daily active users with 99.9% uptime. The system processes over 50K transactions daily with sub-second response times.

Key Highlights:

• Handles 100K+ daily transactions with 99.9% uptime
• Event-driven architecture with Apache Kafka for real-time processing
• Implemented CQRS pattern for read/write separation
• Auto-scaling infrastructure reducing costs by 30%

Technical Challenges Solved:

• Distributed transaction management across multiple services
• Real-time inventory synchronization across multiple warehouses
• Handling payment processing with PCI compliance requirements

Real-time Analytics Engine

Designed and implemented a real-time analytics engine processing 10M+ events per second with complex aggregations and real-time dashboards.

Key Highlights:

• Processes 10M+ events per second with sub-second latency
• Real-time aggregations with complex windowing functions
• Horizontal scaling with automatic partition management
• Custom query optimization reducing response time by 60%

Technical Challenges Solved:

• Handling out-of-order events in distributed streaming
• Optimizing memory usage for large-scale aggregations
• Ensuring exactly-once processing semantics

Multi-tenant SaaS Backend

Architected a multi-tenant SaaS platform supporting 10K+ tenants with complete data isolation and customizable feature sets per tenant.

Key Highlights:

• Supports 10K+ tenants with complete data isolation
• Dynamic feature toggling per tenant subscription
• Automated tenant provisioning and scaling
• Flexible billing system with usage-based pricing

Technical Challenges Solved:

• Database schema evolution across thousands of tenant databases
• Resource allocation and fair usage policies
• Cross-tenant analytics while maintaining data isolation