YouTube Free Interview

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.

Apple App Store

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

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

ChatGPT

Prepare for a System Design session led by an interviewer. Tackle ChatGPT functional requirements like user-interaction and real-time response handling focusing scalability and reliability.

Coding Patterns Free Interview

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

Gain hands-on experience with coding patterns through targeted challenges that mirror real-world interviews, and receive AI-powered feedback to sharpen your problem-solving and technical skills.

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 MCQs and coding problems, focused on algorithm efficiency and optimal solutions.

Meta Coding Interview

Practice your Facebook coding interview with targeted MCQs, 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.

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.

LeetCode

Dive into a rigorous API design interview focusing on functional, non-functional requirements, services, endpoints, architecture, and advanced API concepts for LeetCode.

AWS Solutions Architect Role

Prepare for an in-depth evaluation of your AWS skills and understanding of the services with real-world problem-solving.

Backend Node and Express Developer

Hone your Node.js and Express.js skills across seven key areas, from core concepts to security best practices.

Frontend CSS Developer

Elevate your CSS skills with a structured interview across 14 key areas, tailored to your experience level.

Backend Django Developer

Sharpen your Django skills across key areas, from core concepts to deployment, tailored to your experience level.

Frontend Angular Developer

Hone your Angular skills across ten key areas, from architecture to TypeScript, with tailored questions for all experience levels.

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.

Fundamentals of Data Science

Prepare for an in-depth evaluation of your data science skills focused on wrangling, EDA, statistics, and machine learning, with an emphasis on real-world problem-solving and coding.

Machine Learning Fundamentals

Prepare for an in-depth evaluation of your core machine learning knowledge, focusing on clarity of concepts, analytical thinking, and practical problem-solving across various scenarios.

Fundamentals of Generative AI

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

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.