Senior Data Engineer — Advertising Insights

Bol.Com B.V.; Utrecht; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

Bol.com B.V. in the Netherlands is looking for an Expert Data Engineer to join the AdInsights team to build scalable data pipelines and models that turn advertising and commerce data into reliable campaign insights.

You’ll own data quality, observability and performance, collaborate with engineers, analysts and product managers, and shape data contracts and metrics across the ecosystem to support advertiser dashboards and APIs.

Qualifications

• Expert-level SQL and Python skills with strong data modelling.
• Experience building and operating large-scale data pipelines (Airflow/dbt).
• Strong understanding of cloud data warehouses; BigQuery a plus.
• A strong focus on data quality, observability, performance, cost and maintainability.
• Ability to turn complex data from multiple sources into reliable, reusable datasets and metrics.
• Ability to influence technical decisions and explain trade-offs to engineers, analysts, product managers and stakeholders.
• Experience raising the data engineering craft level of a team.
• Experience with advertiser-facing data products, dashboards, APIs, Java or Kotlin is a plus.

Responsibilities

• Define and improve technical approach for AdInsights data pipelines, models and aggregation logic.
• Solve complex data engineering challenges in combining advertising and commerce data from multiple sources.
• Improve data quality, observability, testing and operational reliability within the team.
• Help the team make better trade-off decisions around performance, scalability, cost and maintainability.
• Align with adjacent teams on shared datasets, metric definitions, data contracts and dependencies.
• Bring data engineering knowledge to other engineers and help raise the craft level of the AdInsights team.
• Act as a technical sparring partner for engineers, analysts and product managers when decisions depend on data engineering depth.
• Translate relevant data engineering practices and learnings into practical improvements for AdInsights.
• Take ownership of difficult technical problems while helping others make better technical decisions independently.

Skills

SQL

Python

Data modelling

Analytical data products

Airflow

dbt

BigQuery

Data quality

Observability

Performance optimization

Tools

Airflow

dbt

BigQuery

Job description

Bol.com B.V. in the Netherlands is looking for an Expert Data Engineer to join the AdInsights team to build scalable data pipelines and models that turn advertising and commerce data into reliable campaign insights.

You’ll own data quality, observability and performance, collaborate with engineers, analysts and product managers, and shape data contracts and metrics across the ecosystem to support advertiser dashboards and APIs.