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15,496 backend developer interview questions shared by candidates

- Calculating highest number of steps taken by a person in last 5 minutes, from a data, from a device like fit bit, which stored the information for many people. (Approaches, pseudo code, data storage structure) - Discussions on how an app like split wise could be made.
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Backend Engineer

Interviewed at smallcase

3.9★
Apr 7, 2021

- Calculating highest number of steps taken by a person in last 5 minutes, from a data, from a device like fit bit, which stored the information for many people. (Approaches, pseudo code, data storage structure) - Discussions on how an app like split wise could be made.

export class MeetingRoom { roomName: string; capacity: number; constructor(roomName: string, capacity: number) { this.roomName = roomName; this.capacity = capacity; } } import { MeetingRoom } from "./MeetingRoom"; export class MeetingRoomFinder { private meetingRooms: MeetingRoom[]; constructor(meetingRooms: MeetingRoom[]) { this.meetingRooms = meetingRooms; } bookMeetingRoom(numberOfPeople: number, date: Date): MeetingRoom | null { return null; // Default implementation } } add your code to here bookMeetingRoom make sure to handle
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Senior Backend Software Engineer

Interviewed at HiBob

4.3★
May 1, 2025

export class MeetingRoom { roomName: string; capacity: number; constructor(roomName: string, capacity: number) { this.roomName = roomName; this.capacity = capacity; } } import { MeetingRoom } from "./MeetingRoom"; export class MeetingRoomFinder { private meetingRooms: MeetingRoom[]; constructor(meetingRooms: MeetingRoom[]) { this.meetingRooms = meetingRooms; } bookMeetingRoom(numberOfPeople: number, date: Date): MeetingRoom | null { return null; // Default implementation } } add your code to here bookMeetingRoom make sure to handle

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