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Role: SDET

College: Not Specified

Interview Date: Online Test: 10 May 2022; Round 1: 18 May 2023; Round 2: 22 May 2023

Interview Type: Full-Time

Result: Selected

Difficulty: Easy to Medium

Rounds: 3 rounds

Topics Asked: Data Structures, Algorithms, Web Development, SQL, String Manipulation

Experience:

This candidate applied for an SDET role through LinkedIn, which was followed by an online test and then interview rounds.

Journey & Preparation: The candidate started with Data Structures and Algorithms in their 3rd semester, then moved to web development and made projects. They emphasized learning DSA and continuously revising it, being consistent, and exploring what they liked before sticking to it.

Round 1 (Online Coding Test): The test duration was 90 minutes, and candidates were given 2 days to complete it.

• Coding Problem: Find the first unique element in an array.

Round 2 (Video Call): This was the first interview round and lasted 60 minutes. The interviewer was friendly.

• Questions: Basic problems on strings (e.g., reverse the string) and basic SQL (e.g., delete, update).
• SQL Question: Write a query to update in table "users" where `userId = 10`, increase his salary to 100K.
• Coding Problem: Reverse the String (follow up: try to solve in O(1) space complexity).

Round 3 (Video Call): This was the last technical round, taken by the candidate's current Manager, and lasted 60 minutes.

• Coding Problem: Kth Smallest Element.