Skip to contentSkip to footer

Tech Lead Interview Questions

Salaries
Interviews

2,928 tech lead interview questions shared by candidates

Implement LRU Cache / Producer-Consumer / Thread-Safe Singleton Find kth largest element / Merge intervals / Detect cycle in linked list Explain difference between HashMap, ConcurrentHashMap, and Hashtable How does Java Memory Model work (heap, stack, GC generations)? Explain equals() vs hashCode() and why both must be overridden What is immutability? How do you design an immutable class? When would you use CompletableFuture vs threads?
avatar

Tech Lead

Interviewed at Wipro

3.6★
Jan 3, 2026

Implement LRU Cache / Producer-Consumer / Thread-Safe Singleton Find kth largest element / Merge intervals / Detect cycle in linked list Explain difference between HashMap, ConcurrentHashMap, and Hashtable How does Java Memory Model work (heap, stack, GC generations)? Explain equals() vs hashCode() and why both must be overridden What is immutability? How do you design an immutable class? When would you use CompletableFuture vs threads?

Viewing 2401 - 2410 interview questions

Glassdoor has 2,928 interview questions and reports from Tech lead interviews. Prepare for your interview. Get hired. Love your job.