YouTube Free

Learn to design a video streaming platform like YouTube by tackling functional and non-functional requirements, core components, and high-level to detailed design challenges.

Airbnb System Design

Design a scalable Airbnb-like platform for listing, searching, and booking properties with real-time availability, advanced search filters, and secure global payments.

Apple App Store System Design

Prepare for an in-depth evaluation of your system design skills, focusing on designing an App Store. Face challenging questions on architecture, scalability, reliability, and more.

Blob Store System Design

Learn to design a scalable, reliable, and highly available blob store system through a structured, rigorous, and thought-provoking series of questions.

Coding Patterns Free

Get a glimpse of the AI-powered mock interview with a coding challenge and feedback, designed to mirror real-world interviews, before upgrading to the full experience.

Backtracking

Gain hands-on experience with backtracking through real-world interview-style challenges and AI feedback to sharpen your problem-solving, efficiency, and pattern mastery.

Bitwise Manipulation

Master bitwise manipulation through real-world interview-style challenges and receive AI feedback to sharpen your problem-solving, efficiency, and pattern mastery.

Coding Patterns

Sharpen your problem-solving with an AI-powered mock coding interview that simulates real tech interviews and helps you build confidence through adaptive, skill-based practice.

Amazon System Design Interview

Prepare for Amazon's System Design interview by mastering core components, high-level and detailed design, and non-functional requirements, while solving complex problems creatively.

Apple System Design Interview

Prepare for an in-depth evaluation of your system design skills, focusing on designing an App Store. Face challenging questions on architecture, scalability, reliability, and more.

Apple Coding Interview

Prepare for your Apple coding interview with targeted coding problems, focused on algorithm efficiency and optimal solutions.

Meta Coding Interview

Practice your Facebook coding interview with targeted coding challenges and coding optimization exercises guided by an expert AI interviewer, tailored to your experience level.

Customer-facing Behavioral Interview

Prepare for an insightful interview focused on communication, customer relationships, teamwork, problem-solving, adaptability, and continuous learning in customer-facing roles.

Engineering Manager Behavioral Interview

Experience a behavioral interview simulation for the engineering manager role. Answer scenario-based questions on leadership, communication, decision-making, adaptability, and team management.

Leadership Behavioral Interview

Gain insights into key leadership and behavioral skills, including communication, collaboration, decision-making, adaptability, and growth in a structured assessment.

Technical Behavioral Interview

Expect questions on problem-solving, collaboration, communication, adaptability, and growth. Enhance your behavioral responses for technical roles effectively.

Airline Management System

Gain insight into designing an airline management system covering critical aspects like design approaches, essential design patterns, class structure, and class relationships.

Amazon Locker Service

Explore a structured interview to design the Amazon Locker Service, delving into design approaches, patterns, classes, and their relationships, ensuring a comprehensive understanding.

Amazon Online Shopping System

Expect a structured, insightful session focused on design approaches, patterns, and class relationships necessary to effectively build an Amazon Online Shopping System.

ATM

Prepare to design an ATM system, focusing on object-oriented principles, design approaches, patterns, and class relationships in a structured, phased manner.

Amazon E-Commerce Store

Design a scalable, secure API for Amazon’s e-commerce platform covering product search, checkout, payments, and inventory management, focusing on architecture, endpoints, and reliability.

CamelCamelCamel (C3)

Prepare to design a dynamic API for CamelCamelCamel, showcasing your expertise in API design, functional requirements, architectural styles, and critical problem-solving.

Evernote

Learn about API design for Evernote, exploring functional and non-functional requirements, key services, architectural choices, and handling real-world challenges.

Google Maps

Gain insights on API design for a navigation platform like Google Maps, covering functional/non-functional requirements, service endpoints, architectural styles, and advanced concepts.

Agentic System Design

Think like an AI architect with Edward, tackling design challenges in agent perception, planning, and evaluation.

Building Effective AI Agents

Dive into AI agent creation, exploring foundations, techniques, implementation, multi-agent systems, and optimization in a structured, adaptive challenge.

Fundamentals of Generative AI

Dive into Generative AI with questions on LLMs, prompt engineering, and more, testing your knowledge and application skills.

Prompt Engineering

A mock interview on prompt engineering, covering objectives, output control, grounding, tools, and rigorous evaluations.

Applied Data Science with R

Applied Data Science with R mock interview evaluates R programming, data manipulation, visualization, and modeling skills with real-world scenarios for practical learning.

Autonomous Vehicle System Design

This Autonomous System Design interview helps candidates master the architecture of autonomous vehicle systems.

Big Data Fundamentals

A hands-on Big Data mock interview assessing distributed systems, data processing, ingestion, analytics, and scalability for real-world skill practice.

Customer Churn Prediction

This Customer Churn Prediction interview helps candidates master data analysis, modeling, and communication skills to predict and reduce customer churn in real-world business settings.

AWS Solutions Architect Role

Prepare yourself for the AWS Solutions Architect role with an in-depth evaluation and understanding of AWS services with real-world problem-solving.

Backend Node and Express Developer

Prepare with a Node and Express mock interview that mirrors real backend interviews, helping you practice APIs, security, performance, and error handling under realistic conditions.

Frontend CSS Developer

Practice CSS interviews in a realistic setting to sharpen your frontend skills, build confidence, and prepare for real-world technical interviews.

Backend Django Developer

Practice Django interviews in a realistic setting to strengthen your backend expertise, refine problem-solving skills, and prepare confidently for real-world technical interviews.

Frontend Angular Developer

Prepare with this Angular mock interview, which mirrors real technical sessions. It will help you practice core to advanced concepts and build confidence for real-world interviews.

ChatGPT

Challenge your knowledge with probing questions on designing GenAI systems like ChatGPT, focusing on model serving, prompt management, and scalable inference.

DALL·E

Tackle realistic problems in designing robust GenAI services for image generation, from DALL·E’s model training to secure and scalable deployment.

ElevenLabs

Test your skills designing GenAI-powered text-to-speech systems like ElevenLabs, covering real-time audio synthesis, low-latency model serving, and voice cloning at scale.

Sora

Hone your expertise by tackling questions on designing GenAI video generation systems like Sora, focusing on efficient video synthesis, massive data handling, and real-time content streaming.

Google Bigtable

Evaluate your system design expertise with real-world scenarios on Bigtable, including tablet splitting and seamless scaling.

Kafka

Tackle advanced scenarios in building a Kafka-inspired distributed log system, including leader election, consumer offsets, and scalability bottlenecks.

ZooKeeper

Sharpen your skills through rigorous questions on designing a scalable distributed coordination system like ZooKeeper, covering synchronization and high availability.