November 15, 2024
JWT Authentication in Spring Boot + React: Complete Guide
Learn how to implement secure JWT-based authentication in your Spring Boot backend with React frontend. Covers token generation, validation, refresh tokens, and production best practices including security considerations.
Spring Boot
JWT
Security
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⭐ Case Study
October 28, 2024
How I Scaled CoinSwitch from 600K to 10M Users
Deep dive into the architectural decisions, challenges, and strategies I used to scale a crypto platform through 16x user growth while maintaining zero downtime. Real-world lessons from migrating monolith to microservices.
Microservices
Scale
Case Study
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September 12, 2024
AWS Architecture Patterns for Scalability
Explore proven AWS architecture patterns including auto-scaling, load balancing, caching strategies, and database optimization for high-traffic applications based on real production systems.
AWS
Cloud
DevOps
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August 5, 2024
System Design Interview Guide for Senior Engineers
Comprehensive guide to acing system design interviews at FAANG companies. Covers distributed systems, caching, databases, and common design patterns with practical examples.
Interviews
System Design
Career
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July 18, 2024
Database Optimization: From Slow to Fast
Learn advanced database optimization techniques including indexing strategies, query optimization, connection pooling, and when to use caching layers. Real examples from optimizing PostgreSQL at CoinSwitch.
Database
Performance
PostgreSQL
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June 22, 2024
Event-Driven Architecture: When and How to Use It
Understand the benefits and challenges of event-driven architecture. Real examples using Kafka, RabbitMQ, and AWS SNS/SQS from production systems at Agoda and Amazon.
Architecture
Kafka
Events
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