Staff Engineer Interview Questions

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Car park system Implement parking spot reservation system at a car park. The system should be able to serve cars and buses. - There are two spot types: car spot and bus spot - Cars can allocate only car spot - Buses can allocate bus spot - If no bus spot is available, 2 adjacent car spots in the same row can be allocated - Car park has shape of rectangle - The system should expose RESTAPI with an endpoint for car spot reservation. This endpoint should return reserved spots IDs
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Senior Staff Software Engineer

Interviewed at Equinix

3.8
Jul 21, 2023

Car park system Implement parking spot reservation system at a car park. The system should be able to serve cars and buses. - There are two spot types: car spot and bus spot - Cars can allocate only car spot - Buses can allocate bus spot - If no bus spot is available, 2 adjacent car spots in the same row can be allocated - Car park has shape of rectangle - The system should expose RESTAPI with an endpoint for car spot reservation. This endpoint should return reserved spots IDs

The live platform engineering assessment required me to debug issues on two VMs - one with a webserver and one with a database. The scenarios given are irrelevant to the role (I was told the likelihood of the scenario I worked on occuring was, essentially, zero given the technologies OneSignal uses).
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Staff Engineer, Platform/SRE

Interviewed at OneSignal

3.6
Apr 2, 2025

The live platform engineering assessment required me to debug issues on two VMs - one with a webserver and one with a database. The scenarios given are irrelevant to the role (I was told the likelihood of the scenario I worked on occuring was, essentially, zero given the technologies OneSignal uses).

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