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Software Development Team Lead Interview Questions

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8,261 software development team lead interview questions shared by candidates

First interview: 1. "You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the future to sell that stock. Return the maximum profit you can achieve from this transaction. If you cannot achieve any profit, return 0. Example 1: Input: prices = [7,1,5,3,6,4] Output: 5 Explanation: Buy on day 2 (price = 1) and sell on day 5 (price = 6), profit = 6-1 = 5. Note that buying on day 2 and selling on day 1 is not allowed because you must buy before you sell. Example 2: Input: prices = [7,6,4,3,1] Output: 0 Explanation: In this case, no transactions are done and the max profit = 0. [5,3,7,1,2,4] = 4"
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Software Team Lead

Interviewed at Varonis Systems

3.9★
Oct 7, 2025

First interview: 1. "You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the future to sell that stock. Return the maximum profit you can achieve from this transaction. If you cannot achieve any profit, return 0. Example 1: Input: prices = [7,1,5,3,6,4] Output: 5 Explanation: Buy on day 2 (price = 1) and sell on day 5 (price = 6), profit = 6-1 = 5. Note that buying on day 2 and selling on day 1 is not allowed because you must buy before you sell. Example 2: Input: prices = [7,6,4,3,1] Output: 0 Explanation: In this case, no transactions are done and the max profit = 0. [5,3,7,1,2,4] = 4"

1. Design a rate limiter 2. Talk about the architecture of something you did 3. Design their system - gets a lot of requests from their clients that show an input to an LLM, and the output that the client got. Their system needs to verify that the output is safe, so they send it to some external rest API. Then, once the response has been processed, you need to show it to the user in their app in a dashboard of some sort. They ask what the bottleneck is and how would you handle it.

Software Engineering Team Lead

Interviewed at Deepchecks

5★
Nov 13, 2024

1. Design a rate limiter 2. Talk about the architecture of something you did 3. Design their system - gets a lot of requests from their clients that show an input to an LLM, and the output that the client got. Their system needs to verify that the output is safe, so they send it to some external rest API. Then, once the response has been processed, you need to show it to the user in their app in a dashboard of some sort. They ask what the bottleneck is and how would you handle it.

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