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Senior Staff Data Engineer- Data Platform

Netherlands, Amsterdam · Job Posted January 25, 2026
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Job Description

At Marktplaats, data is at the heart of everything we do, but Intelligence is what differentiates us. We are building the Data Platform that powers innovation across our entire Product & Technology landscape. You will join the Data Platform team—the engineering backbone of the Data & Analytics crew. We are a group of passionate engineers building the ecosystem that powers innovation across Marktplaats. Rather than just maintaining pipelines, we are architecting a high-scale environment where backend services meet analytical insights. You will be stepping into a collaborative culture that values autonomy and solving complex distributed systems problems, acting as a pivotal player in our evolution.

Job Responsibility

  • Lead the evolution of our Data Platform and architect the "Data Exchange" strategy
  • define robust patterns for API-based ingestion, Event-Driven Architectures (Kafka), and Reverse ETL
  • ensure architectures are optimized for cost and performance on AWS
  • act as a catalyst for technical evolution
  • constantly scan the horizon for next-generation technologies
  • lead the implementation of new paradigms
  • design the strategy for Unity Catalog implementation and Data Contracts
  • champion FinOps, automating cost controls for our highest-volume workloads
  • build the underlying infrastructure that allows Analytics/DWH teams to run efficient transformations
  • elevate the technical bar of the team, mentoring Staff and Senior engineers
  • translate complex architectural trade-offs into clear strategies for Product Managers and Backend Leads

Requirements

  • 10+ years of hands-on experience in Software Development or Data Engineering
  • at least 5+ years specifically focused on building Data Platforms
  • deep understanding of how Platform infra supports Analytics workloads
  • proven experience evolving complex platforms from legacy patterns to modern, cloud-native solutions
  • deep knowledge of Spark internals, JVM tuning, and performance optimization for high-scale batch and streaming datasets
  • deep expertise in Unity Catalog, Delta Lake internals, and optimizing high-volume workloads
  • strict software engineering discipline (CI/CD, Testing, OOP) applied to data pipelines
  • understanding of microservices architecture
  • understanding the needs of Analytics/DWH teams (Data Modeling, dbt)
  • strong background in building automated pipelines using Terraform/Terragrunt and ensuring system observability
  • ability to bridge the gap between "Application Data" and "Analytical Data"
  • Expert level Python
  • Strong proficiency in Scala for backend integration

What we offer

  • An attractive Base Salary
  • Participation in our Short Term Incentive plan (annual bonus)
  • Work From Anywhere: Enjoy up to 20 days a year of working from anywhere
  • A 24/7 Employee Assistance Program for you and your family
  • a collaborative environment with an opportunity to explore your potential and grow
  • a range of locally relevant benefits

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