The process was pretty long, taking around 1-2 months.

It included:

• A coding assessment
• A hard behavioral phone screen
• A 2-hour behavioral/technical final round

Definitely be as specific as possible in your answers and don't underestimate the behavioral round.

1. Create an addCommas(s) function.

2. Create it by adding to the prototype.

3. Create a custom logger function.

4. Extend it using bind.

5. Implement a memoize function.

6. Merge 2 sorted arrays.

7. Find the most common k-length substring.