Senior Backend Engineer (Java) - Payments Tribe
SumUp - Sofia, Bulgaria
Posted May 18, 2026
Benefits
- Parental leave
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- Non-birth-parent leave
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- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
- Surrogacy assistance: Not verified
- Mental health support
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- Relocation assistance
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- Childcare support
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- Learning budget
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- Salary
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- 401(k) match
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Schedule
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- Weekend work
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Application
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- Deadline
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Where they hire
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About this role
Senior Backend Engineer (Java) - Payments Tribe Sofia, Bulgaria Senior backend engineer Java - Payments tribe 📍 Sofia | Full-time | Office-first Check out our Sofia office WHO WE ARE: We've come a long way from our origins as a small startup. Today, we're a truly global fintech company, with over 3000+ people from 80 nationalities, spread across 22 offices on 4 continents. And we're growing and diversifying faster than ever before. SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive. The Team The Settlement Squad sits within SumUp's Payments Tribe and is responsible for the infrastructure that moves real money - managing settlement processes, banking integrations, and the financial controls that keep payouts running accurately across our merchant base. We're at a pivotal moment: alongside maintaining a business-critical legacy system, we're building a brand-new event-driven platform designed to scale across multiple markets and teams. This role is central to that transition - you'll help shape the architecture of a system where the quality of your decisions has a direct, measurable impact on SumUp's operations and reputation. What you'll do - Build and maintain integrations with banking partners that execute payouts to merchant bank accounts - Contribute to the design and development of a new event-driven microservices platform, moving away from legacy architecture - Work on reconciliation processes, prefunding calculations, and safeguarding flows for our
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