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Merchant Security Expert with Dutch and English

SumUp, Sofia, Bulgaria +1

Posted pay

Pay not posted

Location: Sofia, Bulgaria +1
Work type: Not given
Level: Not given
Posted: Oct 7, 2026
Last check: 7 h ago
Job type: Security engineering

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About SumUp: funding, hiring and pay

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What you will do

What you'll do

Support Dutch-speaking merchants with security and fraud-related questions, mainly by phone and email;
Investigate suspicious activity and follow up with merchants to resolve concerns quickly;
Spot patterns in merchant cases and flag process improvements that keep everyone safer;

Work closely with the engineering team and other departments to resolve more complex cases;

Help cover different shifts, including evenings and weekends, as part of a global, multilingual team;

You'll be great for this role if

Fluency in Dutch and strong English skills, written and spoken;
Comfort explaining technical or sensitive information clearly and calmly;
Strong attention to detail and a genuine curiosity for spotting what doesn't add up;
Resilience when handling difficult conversations, without losing patience or empathy;
Experience in customer support or operations is a plus, but not required; we'll teach you the rest;

Why you should join SumUp

🌍 You’ll play a key role in a scale-up that in turn is part of a truly global team of 3000+ people from 60+ countries, spread across 4 continents.
🚀 You'll have the opportunity to make an impact irrespective of your job description. You'll have the space to drive your career and take ownership of projects.
🌴 You’ll receive 25 days’ paid leave, increasing with tenure, and paid vacation for certain occasions. You’d enjoy a paid 1 month Sabbatical vacation after 3 years.
📚 You’ll receive an individual learning budget and can take 10 days educational leave to expand your skillset.
🍎 You’d have monthly digital food vouchers.
You’d have monthly budget for a wide choice of benefits and discounts ranging from transport, food, learning and more (re:benefit platform) 🚌🍗💡🎁.
❤️ You'd have access to additional health insurance, life insurance and co-sponsored Multisport card 🎾.
💜 You’d enjoy funded therapy & coaching sessions with licensed psychotherapists.
👶🏼You’d enjoy a child birth/adoption bonus.
👥 You’d have access to an attractive referral program.
🚌 You’d have access to a free shuttle buses from Joliot-Curie metro station and more.

This job is on-site - Sofia

Team description

The Merchant Security team is the frontline between SumUp and the millions of small businesses who trust us to keep their money safe. As the team grows alongside our merchant base, it's taking on more responsibility for spotting and resolving fraud and security issues before they become bigger problems. In this role, you'll be the voice of the Fraud Ops team for our Italian-speaking merchants, helping them feel confident and protected every time something looks off.

Job Application Tip

We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.

About SumUp

At SumUp, we believe in the everyday hero – small business owners. We create powerful, easy-to-use financial solutions to help them succeed. Our diverse teams across Europe, South America, and the United States work together with a founder's mentality and a 'team-first' attitude.

To apply, submit your resume directly; we do not accept unsolicited resumes from any source other than directly from a candidate.

Legal notes

SumUp is an Equal Employment Opportunity employer, promoting diversity and inclusion. We strictly prohibit harassment of any kind and ensure a healthy and safe workplace.

Read the job posting on the SumUp site

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Source: the SumUp Greenhouse job board. We last checked this job 7 h ago. We first saw it 8 days ago. A job on a job board does not always mean that the team interviews people now. We found this job board in a public list. We did not yet compare it with the careers page of the company.

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About SumUp: funding, hiring and pay