Key Skills

Job Description

Job Description 3 reasons you should join our team as Data Platform Engineer: High-throughput payments scale: With over 10 million users, millions of transactions, and billions in volume flowing through our platform, you’ll tackle complex, real-world data challenges where consistency and millisecond precision actually matter. Production scale meets greenfield freedom: While our core Snowflake data warehouse is live in production, major platform pillars (from modern orchestration and reporting architecture to automated team onboarding) are still genuine greenfield domains waiting for your blueprints. The best of both worlds: The flat hierarchy and autonomy of an ambitious fintech scale-up in the heart of Delft, backed by the stability and reach of Worldline. The Role: Scale & harden our data backbone As our Data Platform Engineer, you will join our core data platform team working alongside your colleague Data Engineer, the DevOps team (4 engineers), and our Data Analyst. We maintain a clear distinction between platform engineering and business analytics. While our Data Analysts drive business intelligence and reporting insights, your dedicated focus will be purely on the infrastructure, streaming pipelines, cost-efficiency, and data integrity that power our core platform. What You Will Be Working On Real-time DWH & Pipeline evolution: Transition our current architecture toward a robust, real-time data warehouse. Build and optimize streaming and batch ingestion pipelines with minimal production disruption. Orchestration architecture: Implement and own orchestration tooling (such as Dagster or Airflow) to automate pipelines and enable self-service onboarding for other teams. Data quality & validation controls: Establish automated validation checks, schema enforcement, and reconciliation mechanisms across pipeline stages to guarantee high-integrity payment data. Monitoring, notifications & alerting: Build end-to-end observability across the data lifecycle, ensuring timely alerts and actionable metrics before anomalies hit downstream systems. Cost control & resource optimization: Actively monitor, analyze, and optimize AWS and Snowflake usage to keep pipeline execution and storage lean and scalable. Integration architecture: Implement scalable ingestion patterns, utilizing tools like AWS DMS, Glue, and Snowflake native connectors to streamline our data ingestion. Infrastructure as Code & Security: Automate cloud resources using Terraform and CI/CD pipelines, enforcing strict IAM and RBAC policies aligned with industry standards and security best practices OPP is not just a powerful payment solution - we’re one of the fastest-growing fintechs in Europe. In 2016 we were 5 people and some nerf guns. Today, we’re 100+ people across offices in Delft, Berlin, and London. Fully backed by Worldline but still in the driver’s seat - with no plans of slowing down any time soon. Join us in supercharging marketplaces around the globe. We’re hiring a (XXXXX) ! Make paying online easy and safe for everyone If you’ve ever paid other users on platforms like Marktplaats, eBay-Kleinanzeigen, and Gumtree, or booked a holiday home via Nature.house or Micazu, chances are you’ve already met us. Our fintech platform powers marketplaces. Not just by arranging payments, it also allows marketplaces to accept, hold, and disburse funds for their users. That makes our solution a bit more sophisticated, yet ready to continue growing internationally. Job Requirements Your trackrecord Core Data Engineering Principles: Solid foundation in distributed systems, stream & batch processing, modern data orchestration (e.g., Dagster, Airflow), and schema modeling. Cloud & AWS Ecosystem: Practical experience architecting data services on AWS. Strong working knowledge of services like Kinesis, DMS, Glue, and Lambda. Modern Data Stack: Hands-on experience with modern cloud data warehouses such as Snowflake (Databricks, BigQuery, or ClickHouse experience is also welcome). Software Engineering Mindset: Advanced SQL, production-level Python (or Scala), and clean code engineering practices (GitLab CI/CD, testing, containerization). Infrastructure, Networking & Security: Experience with Infrastructure as Code (Terraform), foundational cloud networking concepts (VPC, subnets, routing), and robust security practices (IAM roles, RBAC, encryption at rest/in transit). Engineering Ownership: You care about system resilience, dig deep to uncover root causes, keep an eye on operational costs, and enjoy sparring with DevOps and data peers to build dependable systems. What We Offer A company is only as strong as the people building it. We provide competitive compensation, clear progression through our transparent Salary House, and an environment where you have real ownership: An all-in annual salary between €60.000 and €97.000 (depending on experience). A modern, flexible workplace with hybrid working. 24 vacation days and 2 Diversity Days ⚡. 12-month contract with the possibility of extension and a permanent contract. The tools you need: a MacBook, €1.000 budget for your home office setup, and an 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. From contact to contract Good to know: a reference check is part of our hiring process, as we love hearing from your former colleagues about what makes you great to work with! Inclusion matters at OPP At OPP, we believe that different perspectives make better decisions. We are a diverse team and value you for who you are, not just your CV, so we encourage you to apply even if you don't check every box. We are committed to building an inclusive environment where everyone can make an impact. If you need any adjustments or accommodations to participate fully in our recruitment process, please let us know so we can support you. Ready to supercharge yourself? Let’s talk! We’ll tell you everything you need to know. Send your CV or get in touch with our recruiter XXXX at [email protected] 👋 Hey! I’m Mike , CTO at OPP and your hiring manager for this role. “Did you know that our APIs are called millions of times a day? Help us keep our platform lightning fast - let’s meet!”

Core Responsibilities

Build and evolve real-time and batch data pipelines, orchestration, ingestion patterns, and data quality controls for a high-volume payments platform. Own observability, cost optimization, and secure infrastructure automation across AWS and Snowflake.

Requirements

Candidates should have strong experience with distributed data systems, streaming and batch processing, orchestration, schema modeling, and AWS data services, along with hands-on experience using a cloud data warehouse such as Snowflake. The role also requires advanced SQL, production-level Python or Scala, Terraform, CI/CD, cloud networking and security knowledge, and an ownership mindset focused on resilience and operational efficiency.

Benefits

• Competitive Compensation
• Flexible Hybrid Working
• 24 Vacation Days
• 2 Diversity Days
• 12-Month Contract With Possibility of Extension and Permanent Employment
• MacBook
• €1,000 Home Office Budget
• NS Business Card
• Bike Plan
• Catered Lunches
• Team Drinks