
SumUp Interview Questions
& Process
Real candidates share what happened, how many rounds they had,
and how the experience turned out.
Based on 413 interview experiences · FREE TO READ
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30 roles · 413 reportsCandidate interview experiences
First-hand accounts from people who interviewed at SumUp.
Software Engineer
I had an HR Screen, which was a relaxed interview. The recruiter made me feel really comfortable. The questions and explanations were very relevant and good. There was also a brief conversation in English. I didn't pass because I lacked some details in my examples, which hurt me. However, the feedback was very valuable, and I had a great impression of the company; I definitely recommend it. The other steps would have been about 2-3 more technical interviews and maybe 2 more for cultural fit and a conversation with someone high-level at the company, but I didn't reach those next steps to say for sure.
- Could you share details about your past projects, including the challenges you faced, the achievements you made, and their impacts?
Onboarding Specialist
The first interview was a bit disorganized. However, the interview itself went very well. The manager told me at the end that I was moving on to the next step, which was to meet with her superior, because she liked my profile. She even told me it would happen in about a week or 10 days because her superior would be on vacation at that time. 10 days later, with no news, I finally received an automatic email with a rejection, without any explanation or details. I shared this feedback via the satisfaction form I was sent and I have received no response to date. Very negative experience.
- Tell me about yourself, your previous experiences, and your motivations.
Sales Associate
The hiring process had a few steps: first, I sent in my application and my resume was checked by HR. Then, they called me for an initial chat where we talked about my background, skills, and why I wanted the job. After that, I had a technical interview to test my practical abilities and knowledge for the role. Finally, I met with the managers for a last interview to see if I'd fit the company culture and sort out any contract details. After it was all done, I got feedback on whether I got the job.
- Tell me about a time you had to solve a difficult problem.
Product Designer
I had three interview stages for a senior product designer position in Berlin. It started with a recruiter screen, then I spoke with the hiring manager, and finally did a detailed portfolio review with two designers. Everything seemed to go well, and the interviewers were nice, but the follow-up was terrible. I put in a lot of time and effort, but after the last stage, I got no feedback or update at all. I reached out several times, and the recruiter ghosted me. To top it off, they relisted the job on LinkedIn without telling me anything. It's really unprofessional to ghost candidates after multiple interviews and gives a bad impression of their hiring process.
- Can you tell us about a project you particularly enjoyed?
- Regarding that project, what was your specific contribution, and with hindsight, what adjustments would you make?
SumUp Interview Questions
Quoted word for word from SumUp interview reports.
“Could you write an algorithm for encoding and decoding strings, making sure to cover edge cases?”
Read reports →“Can you explain the different stages a payment goes through in the backend?”
Read reports →“Could you please refrain from ghosting candidates after they invest significant time in preparing for your interviews? Providing faster feedback would be appreciated.”
Read reports →“What are your thoughts on holding off on tasks until they are sufficiently clear to begin working on them?”
Read reports →“What would you do in a situation where the customer was no longer using our services?”
Read report →“Could you describe how you would design a REST endpoint for a specific situation?”
Read report →“Can you propose a novel and creative content partnership concept for SumUp?”
Read report →“What would be your approach if a stakeholder requested a deliverable within two weeks?”
Read report →“Have you encountered challenges with metrics and performance when dealing with imbalanced datasets in your experience?”
Read report →Formats, difficulty and experience
Across all 413 SumUp interview reports.