Online Payment Platform Data Engineer

Data Engineer – Hybrid

Delft, Netherlands

Why Join Our Team as Data Engineer

• Data is your playground – and ours too. With over 10 million users and billions of transactions per month, your work directly influences the decisions that shape OPP's future.
• You won't just build pipelines – you'll help shape the foundation of a brand‑new data warehouse from scratch. This is your chance to leave a mark on a critical company‑wide initiative.
• Join a fast‑growing fintech with all the right ingredients: a collaborative culture, tech‑minded peers, and the energy of a scale‑up – backed by Worldline.

About OPP

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.

Role

As a Data Engineer, you'll join our dedicated data team in Delft, working closely with the CTO, Data Analysts, a Data Engineer, and the DevOps/Development team. Your primary mission? Build and deliver the ongoing initiative for a robust and scalable data warehouse to support better, faster decision‑making. You'll design and optimize data pipelines, ensure data quality, support data governance, and automate infrastructure with Terraform.

• Short‑term focus: Get our data warehouse live.
• Long‑term focus: Enable analytics and data‑driven strategies that help us outperform competitors and stay fast on our feet.

Requirements

• At least 5 years of experience in data (platform) engineering, preferably within high‑traffic or fintech environments.
• A 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 with developing and maintaining robust data ingestion pipelines with APIs, cloud services, and third‑party systems.
• Familiarity with data modeling (star/snowflake schemas) and GitLab CI/CD.
• Ownership of end‑to‑end data pipelines, collaboration with data analysts and developers, and strong troubleshooting skills.
• Detail‑oriented, proactive, and a team player who thrives in cross‑functional setups.

Offer

• A total yearly salary of up to €95 000.
• A modern, flexible workplace with hybrid working.
• 24 vacation days and 2 supercharge‑me‑days ⚡.
• 12‑month contract with the possibility of permanent extension.
• The tools you need: a MacBook, home office setup, and NS Business Card.
• An attractive bike plan if you work 24 hours or more.
• A developers‑only office at Lange Geer 26, within walking distance of our sales and product teams in the heart of Delft.
• A great work atmosphere with catered lunches and regular team drinks.

Application

Send your credentials our way and let's talk. More info? Direct your questions to at . Or give him a WhatsApp message at .

• Opleidingsniveau: HBO
• Carrièreniveau: Ervaren
• Uren: 1 – 40 uur per week