Engineering

Fundamentals Case Studies

Solid Principles Design Patterns Lru Cache Implementation Rate Limiter Implementation

Engineering Excellence Production Engineering

Microservices Networking Concurrency Models

Event Sourcing And Cqrs

Distributed Systems

Docker For Nodejs

Pm2 And Graceful Shutdown

Kubernetes For Nodejs

Github Actions Pipeline

Serverless And Lambda

Monorepo Tooling Hot Module Replacement Source Maps

Testing Fundamentals

Testcontainers And Integration Testing

Contract Testing

Mocking Strategy

Flaky Test Debugging

Security Fundamentals Auth Security Tricky Questions

Auth Oauth JWT Supply Chain And Secrets

Last Day Reference

Javascript Rapid Fire Nodejs Rapid Fire Typescript Rapid Fire React Rapid Fire

Star Questions Sde3 Behavioral Technical War Stories

Design Questions Operational Reliability Q&A Backend Engineering Q&A

Module Systems Web Performance Browser Event Loop Css Cascade And Stacking Realtime Transports

Big O Cheat Sheet Big Tech Roadmap Common Algorithms Advanced Challenges Sliding Window And Two Pointers Trees And Graphs Dynamic Programming Heaps And Priority Queue Backtracking Tries Union Find Monotonic Stack Linked List Patterns Binary Search Patterns Bit Manipulation Stacks And Queues Sorting And Searching Intervals Strings And Arrays Sorting Cheatsheet

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Unit Tooling

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