Bulk employee upload over a single-create API

Smallest Absolute Difference Pairs

Distinct OR scores of increasing subsequences

First Missing Positive Integer

Design an idempotent layer for order creation

Design a payment system with retries and multiple payment methods

Design a ticket booking system like BookMyShow

Walk through your current project architecture end-to-end

How did you manage a situation where you were responsible for an issue?

Insert a Linked List into Another Within an Index Range

Describe Your Team's Projects

A Time You Diagnosed a Performance Problem

Add Two Numbers (Linked List)

Remove All Adjacent Duplicates in String

Group Anagrams

Design a Doc-as-App Model: Tables + Formulas + Buttons (OOD)

Two Sum

Generate a String From Binary Tree Node Values

Double Pointers: Modify a Pointer Via a Function

Maximum Subarray (Kadane)

Take-Home: Build a File Management App

Computer Architecture & OOP Design Deep Dive

Merge Intervals

Implement a Graph With Path and Cycle Detection

Valid Parentheses

API Calls: Fetch, Parse, and Compute

Course Schedule (Topological Sort)

Word Ladder (Shortest Transformation)

Top K Frequent Words

Networking & OS Fundamentals Deep Dive

Design Netflix Video Streaming

Merge Sorted Streams / Top-K

Implement Row-Level Security Filtering

Design iCloud Photo Sync

Design a Personal Finance / Expense Categorization System

Design a Reactive State System for an App Builder

A Time You Balanced Product Polish and Speed

Implement an LFU / TTL Cache

A Time You Learned a New Domain Quickly

Concurrency: Reliable In-Order Event Processing

Longest Substring Without Repeating Characters

Find the Duplicate Number

Two Sum / Hash Map Fundamentals

Design Dropbox File Sync / Storage

What Makes Well-Crafted, Maintainable Code?

Invert a Binary Tree

Valid Parentheses (Stack)

Route a Query to the Correct Shard

Design a Thread-Safe Concurrent LRU Cache

K Largest Elements