PROJECT_LOGS

A collection of backend systems, distributed applications, event-driven architectures and engineering projects.

FEATURED_PROJECT

EVENT-DRIVEN NOTIFICATION SERVICE

Kafka + RabbitMQ powered distributed notification platform with retry mechanisms, dead-letter queues and multi-channel delivery.

10+

PROJECTS

JAVA

PRIMARY STACK

API

BACKEND SYSTEMS

OSS

SOURCE AVAILABLE

PROJ_01 FEATURED

Event-Driven Notification Service

Kafka and RabbitMQ powered notification platform supporting Email, SMS and Push delivery with retry mechanisms, dead-letter queues and guaranteed message processing.

JAVA SPRING BOOT KAFKA RABBITMQ POSTGRESQL

CASE_STUDY SOURCE

PROJ_02 FULL STACK

URL Shortener & Analytics

Distributed URL shortening platform using Base62 encoding, Redis caching, PostgreSQL persistence and a real-time analytics dashboard.

JAVA SPRING BOOT ANGULAR REDIS POSTGRESQL DOCKER

85%+ Cache Hit Ratio
60% Read Latency Reduction

CASE_STUDY SOURCE

PROJ_03 DISTRIBUTED SYSTEMS

Distributed API Rate Limiter

Token Bucket based distributed rate limiting middleware built using Redis atomic operations to prevent API abuse and protect backend services from overload.

JAVA SPRING BOOT REDIS TOKEN BUCKET

10,000+ RPS
Sub-50ms Validation Latency

CASE_STUDY SOURCE

PROJ_04 FINTECH

Digital Wallet Backend System

Secure wallet backend supporting peer-to-peer fund transfers, transaction history management and concurrent transaction processing.

JAVA SPRING BOOT MYSQL JUNIT

CASE_STUDY SOURCE

MORE PROJECTS AVAILABLE

Explore additional backend projects, experiments and learning repositories.

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