Data Engineer

SumUp; Berlin; On-site; EUR 90,000 - 130,000; Full time

Job summary

SumUp in Berlin is building a self-service, AI-ready Data Platform. You will help scale infrastructure to support our data, AI, and real-time analytics initiatives.

You will implement infrastructure as code, containerized services, and modern data engines; you will work with Python or Go and collaborate across squads.

Join us to empower small businesses with reliable data tools and scalable systems that drive growth.

Qualifications

• Experience building scalable data infrastructure.
• Proficiency with Terraform, Helm, Docker, Kubernetes.
• Strong problem-solving and collaboration skills.
• Experience with self-service data platforms.

Responsibilities

• Build and maintain best-in-class data infrastructure for critical processes.
• Develop features that strengthen self-service, including ETL and orchestration.
• Optimise processes to use compute more efficiently and reduce cost.
• Automate operations so the platform stays highly available.
• Contribute to the design and implementation of new services.

Skills

Infra as code

Containerisation

Python

Go

Tools

Terraform

Docker

Kubernetes

Airflow

Dagster

Snowflake

Databricks

BigQuery

Trino

Job description

As part of the Platform tribe, you will help build a self-service, AI-Ready Data Platform. The Data Platform team supports our next big bets: Data, AI, and real-time analytics. We are a team focused on building scalable, reliable infrastructure to enable our global data community.

What you’ll do

• Build and maintain best-in-class data infrastructure for critical processes.
• Develop features that strengthen self-service, including for ETL and orchestration.
• Optimise processes to use compute more efficiently and reduce cost.
• Automate operations so the platform stays highly available.
• Contribute to the design and implementation of new services.

You’ll be a strong fit if you

• Have experience with infrastructure as code and containerisation (e.g. Terraform, Helm, Docker, Kubernetes).
• Have used modern query engines (e.g. Snowflake, Databricks, BigQuery, Trino).
• Have worked with modern data orchestration tools (e.g. Airflow, Dagster).
• Are proficient in at least one of our main languages: Python or Go.
• Bring a pragmatic, team-first mindset.
• Are self-motivated, work well independently, and can balance stakeholder needs.

Nice to have

• Experience building and operating performant API layers.
• Experience with dbt for transform, test, and documentation workflows.
• Query optimization at scale.
• Real-time streaming (e.g. Kafka, Flink, StarRocks, Pinot, Druid, ClickHouse).
• Experience with systems at petabyte scale.
• Experience implementing AI-enabled systems (e.g. agentic SRE, AI automation).

About SumUp

We believe in the everyday hero. Small business owners are at the heart of all we do, so we’re creating tools that help them run their businesses. With a founder’s mentality and a ’team-first’ attitude, our diverse teams across Europe, South America, and the United States work together to ensure that the small business owners we partner with can be successful doing what they love. SumUp is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. SumUp does not make hiring or employment decisions on the basis of race, colour, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age or any other basis protected by applicable laws or prohibited by company policy. SumUp also strives for a healthy and safe workplace and strictly prohibits harassment of any kind. SumUp will not accept unsolicited resumes from any source other than directly from a candidate.