Interview Prep That
Goes Deeper Than
The Surface
Master Spring Boot, Kafka, System Design, GenAI & more with in-depth guides crafted for senior engineering interviews. No fluff — just real, deep knowledge.
Top Guides for Deep Prep
Hand-picked, in-depth guides covering the most asked topics in senior engineering interviews.
Spring Boot Internals
Deep dive into auto-configuration, starter dependencies, actuator internals, and how Spring Boot bootstraps your application.
Kafka Consumer Groups
Understand partition assignment, rebalancing strategies, offset management, and exactly-once semantics in Kafka consumers.
JVM Evolution & Internals
From garbage collection algorithms to JIT compilation, class loading, and memory model — everything for senior Java interviews.
Rate Limiter Design
Design a distributed rate limiter using token bucket, sliding window, and leaky bucket algorithms with Redis backing.
RAG Pipelines & LLMs
Build production-ready Retrieval-Augmented Generation pipelines with vector databases, chunking strategies, and prompt engineering.
SQL Query Optimization
Master execution plans, indexing strategies, query rewriting, and database performance tuning for real-world workloads.
Master Every Core Topic
From backend frameworks to distributed systems and AI — we cover the topics that matter most in senior engineering interviews.
Spring Boot
Auto-config, Security, AOP, Microservices patterns
7 GuidesKafka
Consumer groups, exactly-once, partitions, rebalancing
3 GuidesJava Core
JVM, GC, Virtual Threads, Collections, Design Patterns
9 GuidesSystem Design
Rate limiting, load balancing, microservices, APIs
7 GuidesGenAI & LLMs
RAG pipelines, function calling, tool use, agents
2 GuidesSQL & Databases
Query optimization, indexing, execution plans, tuning
1 GuideSpring Security
OAuth2, JWT, filter chains, resource server config
2 GuidesBFSI Patterns
Idempotency, payment APIs, financial system patterns
3 GuidesLearn on YouTube
Visual walkthroughs of complex topics — watch, learn, and ace your next interview.
Spring Boot Auto-Configuration Deep Dive
Understand how Spring Boot auto-configuration works under the hood.
Kafka Internals: Partitions & Rebalancing
Deep dive into Kafka partition assignment and consumer group rebalancing.
System Design: Distributed Rate Limiter
Design a distributed rate limiter from scratch with Redis.
Building RAG Pipelines with Spring AI
Build production-ready RAG pipelines using Spring AI and vector stores.
Ready to Go Deeper?
Stop skimming surface-level content. Dive into guides that actually prepare you for senior engineering interviews.
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