Premium Developer Interview Kits
Production-tested interview preparation packages authored by SDE-2 Nagendra Rana. Includes architectural diagrams, flashcards, coding challenges, and HR question breakdowns.
Java 21 & Spring Boot 3 Interview Kit
200+ battle-tested questions on Virtual Threads (Project Loom), JVM GC tuning, Spring Security 6, Data JPA performance, and Kafka event integration.
- 📄 Printable PDF Flashcard Deck
- 🏗️ 15 Spring Boot Architecture Problems
- ⚙️ Concurrency & Lock-Free Code Snippets
- 💬 Mock Technical Interview Rubric
System Design Interview Kit
50+ High-Availability system designs: Rate Limiters, URL Shorteners, Distributed Caching, Message Queues, and Sharded Databases.
- 📊 High-Res Architecture Cheat Sheets
- 🧮 Back-of-the-Envelope Math Cheatsheet
- ⚖️ Load Balancer & Consistent Hashing Guide
- 🛡️ Distributed Locking & Saga Pattern
Angular 19 & Frontend Kit
150+ Frontend Architecture questions covering Signals, Zoneless change detection, RxJS marble diagrams, and Core Web Vitals optimization.
- ⚡ RxJS Operator Cheatsheet
- 🅰️ Signal State Migration Cheatsheet
- 📊 Lighthouse Performance Optimization Guide
- 📜 Official Certification Prep Material
AI & LLM Engineer Kit
RAG Architecture, LangGraph state machines, Vector DB embeddings, Model Context Protocol (MCP), and Prompt Engineering techniques.
- 🤖 OpenAI & Claude Prompt Templates
- 🗄️ Pinecone & ChromaDB Index Guide
- 🧠 Python 3.12 & FastAPI Async Guide
- 📊 Vector Embedding Math Cheatsheet