Coinbase

Role: Software Engineer

College: Not Specified

Interview Date: October 2023

Interview Type: Full-Time

Result: Selected

Difficulty: Medium

Rounds: 4 rounds

Topics Asked: Data Structures, Algorithms, System Design, OOPS, Behavioral

Experience:

The candidate applied for the Software Engineer role via LinkedIn. A recruiter reached out within a week.

Round 1 (Technical Phone Screen): A coding question on arrays, similar to LeetCode Medium. Optimization of the solution was expected.

Round 2 (Coding): Two coding questions were asked. One focused on graphs (DFS/BFS) and the other on strings. Both were LeetCode Medium-Hard difficulty.

Round 3 (System Design): The task involved designing a URL shortener or a rate limiter, with a strong focus on scalability and reliability.

Round 4 (Behavioral/Managerial): Questions covered teamwork, leadership, conflict resolution, and motivations for joining Coinbase.

Tips: Strong Data Structures and Algorithms (DSA) knowledge is a must. Practice system design thoroughly. Be honest and confident during behavioral rounds.