Mock Interviews

Prompt Engineering Mastery

Master the art of crafting effective prompts. Zero-shot, few-shot, chain-of-thought prompting, prompt templates, and systematic prompt optimization.

Implementing ML Algorithms from Scratch

Code core ML algorithms without libraries. Linear regression, logistic regression, K-means, and gradient descent implementations.

Design News Feed

Fan-out, ranking, timelines, caching & cold-start strategies.

Multi-threading & Concurrency

Concurrency-focused interview round: thread safety, deadlocks, race conditions, synchronization primitives, and concurrent data structures. Common in C++/Java backend roles.

Backend Engineer - Node.js

API design with Express/Fastify, authentication, SQL/NoSQL modeling, caching and observability.

AI Ethics and Responsible AI

Discuss ethical considerations in AI development. Bias detection, fairness, transparency, privacy concerns, and responsible AI frameworks.

Hard

20m

RAG Architecture Basics

Build Retrieval-Augmented Generation systems. Vector databases, embedding models, chunking strategies, and integrating retrieval with LLMs.

Neural Network Coding

Build neural networks from scratch. Forward propagation, backpropagation, activation functions, and loss function implementations.

Design URL Shortener

Design a scalable URL shortener with redirection and analytics.