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Backend Software Engineer Interview Questions

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2,350 backend software engineer interview questions shared by candidates

Interview was F2F online. It was a long process. Started with a problem solving question (simple DP based), and then moves to development questions, OOPS concepts, access modifiers, design patterns, multi threading concepts etc. In some cases, clean code was also required. After this, there was a task given to implement a real world problem in approx. 2 hours time, complete code has to be pushed on GitHub too for scrutiny purpose. It was a good learning experience implementing the sol. for the real world problem in a given timeline.
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Software Development Engineer (Backend)

Interviewed at LikeMinds

4.1★
Apr 13, 2021

Interview was F2F online. It was a long process. Started with a problem solving question (simple DP based), and then moves to development questions, OOPS concepts, access modifiers, design patterns, multi threading concepts etc. In some cases, clean code was also required. After this, there was a task given to implement a real world problem in approx. 2 hours time, complete code has to be pushed on GitHub too for scrutiny purpose. It was a good learning experience implementing the sol. for the real world problem in a given timeline.

1. Screening Why BlockFi? What are you looking for in a job at this time? The recruiter was extremely nice, he was candid when talking about how the culture of the company is evolving as they grow. 2. Technical interview: Basic Elixir and OTP questions ("what's the pipe operator for?", "what are BEAM processes useful for?") and as the interview progressed, system design ones (caching, API rate-limiting, handling load spikes, error mitigation in production and designing for limits in external providers). 3. They decided to stop the process before the chronological interview.
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Software Engineer, Backend

Interviewed at BlockFi

3.9★
Jul 13, 2021

1. Screening Why BlockFi? What are you looking for in a job at this time? The recruiter was extremely nice, he was candid when talking about how the culture of the company is evolving as they grow. 2. Technical interview: Basic Elixir and OTP questions ("what's the pipe operator for?", "what are BEAM processes useful for?") and as the interview progressed, system design ones (caching, API rate-limiting, handling load spikes, error mitigation in production and designing for limits in external providers). 3. They decided to stop the process before the chronological interview.

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