Wix Backend Engineer Interview Questions
& Process

We started with a 30-minute video screening with the team lead. Then, a 90-minute video call where we discussed my past projects and their architecture, along with a simple live coding challenge, with the team lead and a guild member. The next step was another 90-minute video session focused on a coding exercise with a guild member. After that, we had a 90-minute in-person meeting to go over system design with a director and a guild member. Finally, a 60-minute in-person chat with HR.

So, I went through 5 stages at Wix. First, an HR screening call to talk about my background and if I'm a good fit. Then, a technical leader interview, about 30 mins, to dig into my tech experience from past jobs. After that, a technical interview with the Server Guild. They gave an intro to the company and the guild, then we talked about my past projects, especially one I liked. I had to explain it well, including problems and solutions, and use Excalidraw to show my thinking. Then a quick coding bit on Coderpad. Next was a coding challenge. I got a problem beforehand to review and set up my dev environment. It was a home assignment using the GitHub Query API, where I had to write code to read a file of queries, run them, and show the results and count. I had an hour to code it, then we discussed my solution on Zoom. They asked how I'd change it for parallel control. I sent the solution through WeTransfer. The last interview was system design. We talked about a project I did, focusing on the design and architecture. They wanted to know how I design systems for specific needs, my knowledge of distributed systems and OS. They also asked about implementing rate control for a mailing service. But then they realized my profile wasn't exactly what they needed, so the interview wrapped up.

The interview process started with a phone interview that included a short design question. This was followed by a technical interview where I was asked about a project I developed and given a coding question. Next, there was a home assignment that took about 1.5 hours to complete. After that, I had a system design question round. Finally, there was an HR interview. I was told I didn't get the job after the HR interview due to technical reasons, and that a developer would contact me with details. But no one ever got back to me. The interviewers were professional and pleasant, but I was disappointed by the lack of follow-up, which I didn't expect from this company. This led to a neutral experience.