SumUp interview process & guide 2026
Everything we know about interviewing at SumUp: the process stage by stage, what each round tests, and compensation by level.
- 1Initial Screening
- 2Technical Assessment
- 3Leadership Interviews
Interviewing at SumUp
SumUp's interview process is structured to evaluate both technical and cultural fit across various roles. The process typically begins with an initial screening, followed by technical assessments, and concludes with leadership interviews. This structured approach ensures that candidates are thoroughly evaluated for their skills and alignment with the company's values.
The interviews at SumUp focus on a wide range of topics, with particular emphasis on UX/UI Design, Kotlin, JavaScript, and Full-Stack Development. Candidates should also be prepared for questions on Backend Engineering, System Design, and Engineering Management. The process tests not only technical skills but also stakeholder management and conflict resolution abilities.
Candidates can expect a multi-stage process that may include technical assessments and behavioral interviews. The overall difficulty is reported as medium by most candidates, and the offer rate stands at 28.8%. After completing the interviews, candidates should anticipate a decision-making period, though specific timelines are not detailed in the data.
SumUp places a strong emphasis on technical skills such as UX/UI Design and programming languages like Kotlin and JavaScript, so focus your preparation accordingly.
How hard is the SumUp interview?
Aggregated from 480 interview experiencesAbout 1 in 4 candidates with a known outcome convert.
The interview process, end to end
3 rounds · based on 480 candidate reports- 1Initial Screening
This stage involves a preliminary assessment of your qualifications and fit for the role. It is typically conducted by a recruiter and sets the stage for further evaluations.
- 2Technical Assessment
You will undergo a detailed evaluation of your technical skills, including coding and problem-solving abilities. This may involve coding tasks and pair-programming sessions.
- 3Leadership Interviews
Final interviews with leadership focus on evaluating your strategic thinking and cultural fit within the company. Be prepared to discuss your management style and decision-making processes.
What SumUp actually tests for
How prominent each skill is across reported loopsFind the guide for your role
This is your next step: open the guide for the role you are interviewing for. Each one carries the questions SumUp interviewers actually ask that position, the loop structure, and pay by level.
What SumUp pays, by level
Estimated total compensation: base salary plus stock and annual cash bonus.
What separates offers from rejections
Patterns from candidates who got offers, and the mistakes that most often sink a loop.
Do this
- Prepare thoroughly for technical assessments, especially in areas like UX/UI Design and Full-Stack Development, which are highly emphasized.
- Demonstrate strong problem-solving skills during coding tasks and pair-programming sessions, as these are key components of the technical evaluation.
- Showcase your ability to manage stakeholders and resolve conflicts, as these soft skills are also assessed.
- Be ready to discuss your strategic thinking and cultural fit during leadership interviews, as these are crucial for final evaluations.
Avoid this
- Do not underestimate the importance of the initial screening, as it sets the stage for the rest of the process.
- Avoid focusing solely on technical skills; neglecting soft skills like stakeholder management can be detrimental.
- Do not go into technical assessments unprepared; failing to demonstrate your expertise in key areas can hurt your chances.
- Avoid being vague about your past experiences; provide specific examples that highlight your skills and achievements.
SumUp interview FAQ
Answered from real candidate and workplace dataHow difficult are the interviews at SumUp?
The interviews are generally rated as medium difficulty by most candidates, with a mix of technical and behavioral questions.
What topics should I prioritize in my preparation?
Focus on UX/UI Design, Kotlin, JavaScript, and Full-Stack Development, as these are highly emphasized in the interviews.
How long does the interview process take?
The data does not specify exact timelines, but candidates should be prepared for a multi-stage process with several rounds.
What is the offer rate for candidates?
The offer rate for candidates at SumUp is 28.8%, indicating a competitive selection process.
Can I reapply if I am not successful?
The data does not provide specific information on reapplication policies, so it is best to inquire directly with the recruiter.
Ready for your SumUp interview?
Practice the exact questions from this guide with AI feedback, and walk into your loop knowing what to expect.