Dev Interview Hub - Master Technical Interviews

JavaScript / TypeScript

Closures, event loop, async/await, TypeScript generics and utility types

Hooks, reconciliation, React Server Components, App Router, ISR and Server Actions

Concurrency, Express, NestJS, security, GraphQL and queues

MongoDB, PostgreSQL, Redis, Prisma, indexing and caching

URL shortener, rate limiter, CAP theorem, microservices and real-time systems

Prompt engineering, RAG, embeddings, LLM APIs and agents

Docker, GitHub Actions, CI/CD, AWS and monitoring

Big O, data structures, algorithms, browser internals and HTTP

STAR method, remote work and career questions

Direct challenges from resume metrics, projects and claims

Real world problems