Warren

Revenue Management Data Scientist

The first virtual round consists of answering quantitative questions. One of the questions that I specifically remember is: We have orange juice and strawberry juice; likeability for both is X and Y, respectively. Our bu...

Software Engineer

Leetcode 815. Bus Routes https://leetcode.com/problems/bus routes/ with a small follow up. Part 1 was the same as Bus Routes i.e Input: routes = [[1,2,7],[3,6,7]], source = 1, target = 6 Output: 2 Explanation: The best s...

Senior Technical Engineer (Observability)

Senior Technical Engineer (Observability) – Presentation Scenario Emirates Airlines is one the largest international airlines in the world, carries millions of passengers across its network of 160+ destinations spread ac...

Sr Software Engineer AI agents

Search Assist Leetcode Problem 10, titled "Regular Expression Matching," requires you to implement a function that checks if a given string matches a specified pattern using regular expression rules, including the specia...

Senior Engineer

We have 2 string s and t and the max number of operations is k. We need to check if we can convert s into t where for ith operation we have 2 choices 1 do nothing 2 choose any character j from string s and shift that cha...

SWE II

Just finished my loop. Interestingly, the recruiter initially prepped me for 3 Coding and 1 System Design, but the actual schedule was quite different (heavier on design). Here is the breakdown: Round 1 (System Design):...

React + Node JS

1. Whats the difference between state and Props? 2. Whats is you philosophy for testing the application? 3. How to keep a code clean? 4. Whats is react and why use it? 5. What are 3 types of state management? 6. What is...

Quantitative Developer Intern

State‑Machine Problem description You are given a function next(state) that, for any integer state from 0 up to M‑1, returns another integer in the same range. State 0 is the termination state. Starting from any state, r...

Software engineer

I participated in a Karat AI assisted technical interview for Instacart. The assessment was conducted on Karat's web based integrated development environment, which features an AI chat interface. This interface functions...

Software Engineer

SQL Leanering using palantir's old syntax for their internal system. Supposed to be an apache spark equivalent before that became prevalent There were 4 stages with the docs progressively correlated to the increasing sta...

Software Engineer Intern

Minimum Processing Time LC Medium https://leetcode.com/problems/minimum processing time/description/

Software Engineer II

We need to do the system design for Instagram story feature. Since the team was for frontend so the focus was on the frontend aspect of the design. Few things which were discussed 1 Functional and NonFunctional Requireme...

Software Engineer II

Problem 1 DSA There are some tasks which needs to be executed. There is a taskType array and another array for the memory consumed by those tasks. E,g Task Type [1,2,3,1] Memory array [7,2,9,3] maxMemory 10 In 1 unit of...

Sr. Software Engineer - Frontend

Tech Execution: Have a running React application with missing implementation. There are failing tests which needs to be fixed and some of the implementation will be used in the later ones. System Design: Design a Signup...

Sr Software Developer

Was asked to do a Level Order Traversal of a Binary Tree. The output expected was just a list of Integer values with the values from each level populated in left right For eg: Tree = [1,2,3,4,5,6,7], where 2 and 3 are ch...

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