Data Engineer

What started as five people, a small office, and a few nerf guns has now grown into one of Europe’s fastest‑growing fintechs. With 150+ colleagues, offices in Delft, Berlin, and London, and Worldline as a partner, we have the perfect mix: the resources of a global player with the energy of a scale‑up. At OPP, we build the technology that powers the next generation of e‑commerce.

From eBay to Ikea, billions in transactions already flow through our systems. We don’t just handle payments—we enable platforms to accept, hold, and disburse funds securely.

• Build and deliver the ongoing initiative for a robust and scalable data warehouse to support better, faster decision‑making.
• Design and optimize data pipelines, ensure data quality, support data governance, and automate infrastructure with Terraform.
• In the short term, focus on getting our data warehouse live.
• In the long term, enable analytics and data‑driven strategies to help us outperform competitors and stay fast on our feet.

• At least 5 years of experience in data (platform) engineering, preferably within high‑traffic or fintech environments.
• Bachelor’s degree in a relevant technical field.
• Advanced SQL (including window functions), Terraform, Python (Airflow, PySpark), and AWS services (Athena, Kinesis, Lambda).
• Strong experience developing and maintaining robust data ingestion pipelines with APIs, cloud services, and third‑party systems.
• Familiarity with data modeling (star/snowflake schemas) and Git Lab CI/CD.
• Ownership of end‑to‑end data pipelines, collaboration with data analysts and developers, and troubleshooting expertise.
• Detail‑oriented, proactive, and a team player who thrives in cross‑functional setups.

• Salary up to €95,000 per year.
• Modern, flexible workplace with hybrid working.
• 24 vacation days and 2 diversity days.
• 12‑month contract with the possibility of extension and eventually a permanent contract.
• Mac Book, €1,000 for home‑office setup, and an NS business card.
• Attractive bike plan for those working 24 hours or more.
• Developers‑only office at Lange Geer 26, within walking distance of sales and product teams in the heart of Delft.
• Great work atmosphere with catered lunches and regular team drinks.