JS / TypeScript
FRONTEND
16 questions
Closures, hoisting, event loop, type guards, utility types, React hooks, and more.
Apache Kafka
STREAMING
20 questions
Brokers, partitions, consumer groups, replication, exactly-once semantics, Connect, and monitoring.
Docker
DEVOPS
20 questions
Containers vs VMs, Dockerfiles, networking, volumes, Compose, security, and Kubernetes comparison.
Rust
SYSTEMS
4 questions
Ownership, borrowing, error handling, pattern matching.
Java
BACKEND
28 questions
OOP, collections, concurrency, JVM internals, Stream API, Spring Boot, and design patterns.