GIC Data Engineer Interview Questions
& Process

I spent about 8 hours on a take-home assignment, and then after two months, I was rejected with feedback that was vague and questionable. The reviewer said the project wouldn't run because of database issues, even though the README clearly specified the version needed. It seems like they didn't set up the environment correctly before checking it. The feedback also criticized the lack of an OOP-heavy approach for an ETL pipeline. I intentionally chose a functional design for transformations because it was suitable for the task. Expecting OOP for everything shows a lack of understanding about when each paradigm is appropriate. Overall, it was a disappointing process. Don't waste your valuable time on their take-home assignments if their reviewers are too lazy to properly evaluate them.

So there were supposed to be a few rounds, but the very first one was a technical assessment. They gave me a week to write some code and send it over. Unfortunately, I didn't pass this first round because I didn't have enough tests, which is something they really care about.

So first, you get a take-home assignment. It's about building a simulation for an autonomous car (autocar) in Python. You'll start by coding a basic simulation – like making cars move, figuring out paths, or checking for crashes – following some rules. After you send in your project, they'll call you for a technical interview where they might ask you to add more stuff or change things.