The MarTech team builds the marketing and growth systems that help SumUp reach more merchants around the world. We combine backend engineering, data engineering, data science and external marketing platforms to create reliable, scalable solutions that improve conversion, increase operational efficiency and unlock new acquisition channels.

Our work spans recommendation engines, promotion management, affiliate and referral platforms, campaign feed publishing, creative automation, localization and conversion tracking integrations that send signals to advertising platforms. We validate early ideas and prototypes into production-grade products that marketing teams can use independently, reducing manual work and helping campaigns reach customers faster.

You will join a diverse and distributed team that works closely with stakeholders across Acquisition Engineering squads, Online Marketing, Content & Localization, Engagement and Platform Infrastructure. Because our systems sit at the intersection of technology, data and business growth, you will work on meaningful problems with multiple technical dependencies and a visible impact on SumUp’s acquisition strategy.

What you’ll do:

Design, build and operate reliable backend services that support marketing and growth initiatives.
Own features and engineering projects from discovery and technical design through delivery and production support.
Build integrations with internal and external platforms, ensuring reliable data flows and maintainable interfaces.
Define and evolve architectures for distributed services and event-driven systems.
Improve the reliability, quality and operational excellence of existing services.
Collaborate with technical and non-technical stakeholders to clarify requirements, communicate trade-offs and shape priorities.
Contribute to a high standard of engineering through testing, code reviews, documentation and pragmatic technical decisions.

What you’ll do:

Design, build and operate reliable backend services that support marketing and growth initiatives.
Own features and engineering projects from discovery and technical design through delivery and production support.
Build integrations with internal and external platforms, ensuring reliable data flows and maintainable interfaces.
Define and evolve architectures for distributed services and event-driven systems.
Improve the reliability, quality and operational excellence of existing services.
Collaborate with technical and non-technical stakeholders to clarify requirements, communicate trade-offs and shape priorities.
Contribute to a high standard of engineering through testing, code reviews, documentation and pragmatic technical decisions.

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