Warren

Launch SWE

Was first asked count vowels substring of a string (https://leetcode.com/problems/count vowel substrings of a string/solutions/) then talked about my take home assignment which was to design a meeting room api then final...

Frontend Engineer

Given two arrays one for the starting height and one for speed of plans, determine the maximum number of airplanes can be shot down before any plane lands. Similar to LC 1921. Eliminate Maximum Number of Monsters.

Staff Engineer

Design Authentication Manager There is an authentication system that works with authentication tokens. For each session, the user will receive a new authentication token that will expire timeToLive seconds after the curr...

Senior Software Engineer

You are given an array of k linked lists lists, each linked list is sorted in ascending order. Merge all the linked lists into one sorted linked list and return it. Input: lists = [[1,4,5],[1,3,4],[2,6]] Output: [1,1,2,3...

Senior Software Engineer

Design an adspending platform to track spend for an campaign

Software Engineer

Create a system to display a dashboard with data. The data can reside in different regions (depending on customer choice). System should have low latency, backend should not grant access to data in other region and keep...

Software Engineer

Implement a circular queue with a vector Handle all test cases

Software Engineer

Populate the next pointer for each node in a Binary Tree

Software Engineer - Early Career

Was given marble sorting class with c+ concepts. Marble contains weights, color, index. Heaviest goes bottom sorted by smallest index

Senior Software Engineer

Series of test cases were provided, and the candidate was required to get them passing. Write a function called sum(), that takes a string and returns integers. First test case: it returns 0 for "" Second test case: it r...

Software Engineering Intern

Only one question, 25 minutes. No follow ups, just optimization possibly.

Software Engineer

Write a fully functioning Tic tac toe 3x3 board game using JavaScript, HTML, and CSS in Coderpad. Design the classes and write functions for the game in JS (board class, player class, drawing a square on the board, no ne...

Senior Software Engineer(L5)

You are given the root of a binary tree and an integer distance. A pair of leaf nodes is considered good if the number of edges in the shortest path between them is less than or equal to distance. Return the number of go...

Exceptional Engineer

You roll a fair six sided die exactly n times. This gives you a sequence of numbers: X1, X2, …, Xn, where each value is between 1 and 6. You only care about sequences that are non increasing, meaning: The second roll is...

Software Engineer - AiDP Reliability Engineering, IS&T, Early Career

The interview started with this simple Diamond Pattern print: Given an integer n, output a centered diamond pattern using stars ( ). There should be n lines above and n lines below the middle line. For example, if n = 3,...

Senior Software Engineer AI

1. Given a 1 D array of positive integers of size N, and given size of a window w such that 1<w<N , write an algorithm to calculate the mean of the window starting from Earliest starting position and sliding this window...

Software Engineer - AiDP Reliability Engineering, IS&T, Early Career

Tasked with designing the core infrastructure for a global music streaming service (similar to Apple Music). The system must support millions of concurrent users, provide sub second latency for audio playback, and ensure...

Software Engineer - AiDP Reliability Engineering, IS&T, Early Career

You are developing a high performance Proxy Edge Layer application. This layer acts as an intermediary for various upstream microservices. Because the edge layer handles traffic for many different endpoints, it frequentl...

Agentic AI Senior Engineer

Instructions Part 1 Alterion Context: After agents are successfully scanned, they are sent to a Registry API to be registered. Exercise: Implement a Registry class that supports: register(a: Agent): void remove(id: strin...

Software Engineer

The format of the coding screen is they would give you lots of leetcode easy questions, and see how many you can get through The 2 coding questions they asked me was: 1. Given a word, generate every permutation of that w...