Welcome to the technical challenge for the Backend Engineer role at Sakneen.
The goal is to evaluate not only your proficiency with NestJS + Mongoose, but also your ability to make thoughtful design decisions, identify edge cases, and handle uncertainty — just like in real-world software projects.
You're tasked with implementing a property viewing reservation feature for a real estate platform. Potential buyers or renters can request to view available properties, by reserving a slot to view the property, so each request must respect certain conditions and availability logic.
You will likely need to represent the following:
- Property Viewing
Represents a reserved scheduled viewing by a potential customer.
At a minimum, your solution should allow:
- Scheduling a viewing on a property
- Ensuring viewing times do not conflict for the same property
- Fetching available time slots for a property on a given day/week/month
You may choose to implement any of the following enhancements:
- Authentication & role separation (e.g., user vs. agent)
- Handling agent unavailability (blocking out time ranges)
- Email confirmation mock (real or simulated)
- Any thing needs fixing in the existing APIS ... ?
Use these to showcase architectural thinking — don’t overbuild unless it adds clarity or value.
Your solution should use:
# 1. Clone the repo
# 2. Install dependencies
npm install
# 3. Start the app
npm run start:dev- There is a seed script that seeds the mongo memory server with some different properties
- It runs at application bootstrapping process
- Make a PR on the our Github repo with your adjustments as needed
- Try to follow a readable/reviewable structure for your PR