Milind's notes taken from the Backend in Node.js from Scratch Course by Sanket Singh

This is a case study on implementing StackOverflow main features as an REST API

A comprehensive course covering the complete backend request lifecycle, from DNS resolution to database interaction, infrastructure management, and system design patterns.

A Production-grade Rental Management System for handling properties, tenants, leases, rent payments, and maintenance workflows.

This is java project for private hospital management.

Software Architecture (SOLID) & Design principles, Patterns and Clean Code. Also, the architecture related topics in IT!

A platform to learn to build systems at scale, from backend to LLMs.

Fault tolerance is a crucial aspect of microservices system design. Here, I implemented the circuit breaker pattern using Resilience4j for services written in Java/Spring Boot, with Redis as a fallback caching mechanism.

A resilient, replicated key-value storage system implemented in Python, featuring active replication and cluster orchestration. Developed for the Distributed Systems course at UFSCar.

Universal dependency resolver using SAT solvers - works for software packages, course prerequisites, books, certifications, and any system with logical dependencies

This is a repository for the LinkedIn Learning course Build REST APIs with FastAPI

Enterprise-grade backend upgrade focusing on high performance and DevOps. Features ACID-compliant transactions (PostgreSQL), low-latency caching (Redis), and automated CI/CD pipelines via GitHub Actions.

Production-style backend service built in Go for managing customers, accounts, and lifecycle states in a multi-tenant SaaS environment.

A low-level implementation of a distributed cluster in Java. Features custom TCP heartbeat mechanisms, fault detection, and peer-to-peer communication using raw Sockets and Multithreading

Production-grade distributed rate limiting solving race conditions at scale. Redis Lua atomicity ensures zero over-limit requests under concurrent load. Benchmarked: 215K RPS local, 7.5K RPS distributed with 100% consistency. FastAPI/Starlette integration.

Production-grade Full-Stack AI Portfolio built with FastAPI, Jinja2, Tailwind CSS, and Groq LLM.

A list on backend enginering concepts to understand to be a proficient engineer.

Backend utility to validate large-scale data migration between Oracle and PostgreSQL databases

RKV: A high-performance, replicated key-value store built in Rust. Features Raft consensus, WAL persistence, and gRPC networking.

High-performance distributed task queue in Go. Features atomic reliable queuing (RPOPLPUSH), concurrent workers, dead-letter queues (DLQ), and a real-time dashboard. Dockerized for production.