Engineering and Product

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Who we are

Our global community is made up of hundreds of talented Engineers and Product Managers. We collectively build, plan and fine-tune the technology that drives SumUp and empowers small businesses around the world. We’re on a mission to redefine financial inclusion through accessible technology and products.


We believe real innovation happens when barriers are removed and teams are empowered to own their work. Our agile framework allows us to adapt quickly and foster an environment fuelled by curiosity. We’re efficient, collaborative and constantly improving the way we work through self-reflection.


We’re composed of several teams we call tribes. Each tribe consists of several smaller, cross-functional squads. Equipped with the necessary skills to realise their missions, squads are completely autonomous. Whether it’s building a product for our merchants or an internal platform, each team is the owner of their domain.

"During my 4 years at SumUp, I’ve worked on several products, became an Engineering Lead and moved to Berlin. My opinion is trusted here, and I love that we get to build valuable tools that positively impact merchants.”

Sophia Antipenko, Engineering Lead

Our technology

Following a platform-first approach, we're building our products and services with open APIs and are structured into a microservices-based architecture. We’re always open to exploring new languages or services. Here’s a glimpse of the technologies we currently use.

  • Elixir

  • Golang

  • Javascript/Typescript

  • Kotlin

  • Swift

  • C/C++

  • Python

  • Kafka

  • Kubernetes

  • React

  • Helm

  • Gradle

  • Ktor

  • Arrow.IO

  • Docker

  • Github Package Manager/Container Registry

  • Java

“I'm able to express my creativity without blockers. We're trusted to work independently and given resources to improve our soft skills like prioritisation and communication. SumUp helped me settle into my new role, providing full relocation support and a safe space to grow.”

Gabriele Lo Castro, Android Developer

What makes us unique


Exercise your mind on a daily basis by solving complex problems and building products for the ever-evolving world of fintech.


Be empowered with the freedom and resources necessary to own your work from start to finish within your team.


Add an extra layer of purpose to your daily grind by directly empowering small business owners through your work and seeing real impact.


We're on a mission to lead payment solutions for small merchants globally. To achieve that, we need to deeply understand the user's needs and foster innovation among our tech teams to deliver cutting-edge products.

Hack Week is an opportunity to unite members of our Engineering, Product and Design community in one place to step away from their daily tasks, collaborate, unleash creativity and bring new ideas to life.

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