Robinhood Software Engineer Interview Questions

Any optimal approach for this? Question: count all the pairs with indices i<=j whose sum is a power of 2. def pairSummingToPowerOfTwo(a): if len(a)==1 and (a[0] and (not(a[0] & (a[0] -...

The following content requires a score of 200 or higher. You can already view it. To be honest, this was the most difficult interview I've ever seen. Although I prepared in advance, I still didn't pas

Yunnan-Burma: Classic load factor (https://www.hack2hire.com/companies/robinhood/coding-questions/67cf7c4eaca6a2fa74a72d1c/practice?questionId=67cf7ef7aca6a2fa74a72d1f) VO: PDD: Normal behavioral ques

This post was last edited by WeChat user _hne9e on 2025-10-01 00:42. I was quite surprised that Robin Hood didn't do online assessments (OA) but instead had someone work with you on the questions. The

I got the interview through a referral. Their questions were all the same ones I'd seen on forums and other sites, but I didn't pass because I felt I answered them quite well. The interviewers seemed

**Problem Statement** The objective is to architect a robust job scheduling service capable of defining, managing, and executing automated tasks. The system must address challenges related to distribu

**Problem Statement** Exchanges only trade in whole shares, but the brokerage offers fractional shares to customers. The brokerage must manage an internal inventory to bridge this gap. The system must

The objective is to design an order entry system for Robinhood that validates and forwards client buy and sell orders to third-party exchanges. This system must specifically handle limit orders, which

Interviewed at Robinhood this week. The total interviews are 5: 1 screening + 4 back to back virtual onsite. 1) Screening: Make sure you're really comfortable with spinning up new projects in Android

Question Robinhood is famous for its referral program. It\u2019s exciting to see our users spreading the word across their friends and family. One thing that is interesting about the program is...

Codewriting Overview: Our goal is to build a simplified version of a real Robinhood system that reads prices from a stream and aggregates those prices into historical datapoints aka candlestick charts. We\u2019re...

For onsite, I was asked an algorithms question similar to this: Users can refer each other to Robinhood. We want keep track of who is responsible for the most referrals and...

Given a stream of incoming "buy" and "sell" orders (as lists of limit price, quantity, and side, like ["155", "3", "buy"]), determine the total quantity (or number of "shares") executed. A...

Status: 2.5 years experience Position: SWE 2 Location: Bay Area Date: Jan 2021 I had a recruiter reach out to me on LinkedIn, and after a conversation immediately set me up for a technical...

Hello, I interviewed at Robinhood and was asked below question. The whole interview was 1 hout and 15 minutes. For first 30 minutes, I was given a snippet of code which...

You are given two integer arrays a, b and one array of distinct integers c. Your task is to check whether b is the longest contiguous subarray of a consisting...

The coding question was same to this LC: https://leetcode.com/problems/alert-using-same-key-card-three-or-more-times-in-a-one-hour-period/ but the output format differed. The expected output is to list the user id along with the earliest badge time list that...

Status: 4 YOE Position: L4 SDE at Amazon Location: SFO, CA Date: September 2021 Karat screening round: \t https://leetcode.com/problems/course-schedule-ii/ \t* Follow-up: If there can be multiple courses you can start from, find all possible...

Portfolio Value Optimization You have some securities available to buy that each has a price Pi. Your friend predicts for each security the stock price will be Si at some future date. But...

Given an array of integers a, the task was to count the no of pairs i, j , such that a[i] and a[j] are digit anagrams. In the given time frame,...