🚀 CodeWithVenu

Full Stack • Java • System Design • Cloud • AI Engineering

I share practical engineering knowledge, system design patterns, cloud architecture, interview preparation, and real-world lessons from large-scale production systems.

Latest Articles

System Design • 2026-06-07

URL Shortener System Design

Design a scalable URL shortener like Bitly or TinyURL.

System DesignScalabilityDatabase

System Design • 2026-06-06

Notification Service System Design

Design a multi-channel notification service for email, SMS, push and in-app messages.

System DesignKafkaMicroservices

System Design • 2026-06-05

API Gateway System Design

Understand API Gateway responsibilities in microservices architecture.

API GatewayMicroservicesSecurity

Java • 2026-06-04

Java 8 Features

Important Java 8 features every backend engineer should know.

JavaLambdaStreams

Java • 2026-06-03

Java 17 Features

Important Java 17 features for modern enterprise applications.

JavaLTSRecords

Java • 2026-06-02

Java 21 Features

Java 21 features useful for modern backend engineering.

JavaVirtual ThreadsPattern Matching