Senior Data Pipeline Engineer - Freelance (80-100%, remote/Zurich/Berlin)

Das ist der Job

Decentriq is the rising leader in data‑clean‑room technology.

Darum lohnt es sich

We are looking for a Senior Data Pipeline Engineer freelancer (≥ 80 %, start as soon as possible) for 6 months (possible conversion into FTE) to support our team during a crunch time driven by customer demand. Share your workflows with the team.

With Decentriq, advertisers, retailers, and publishers securely collaborate on 1st‑party data for optimal audience targeting and campaign measurement. Headquartered in Zürich, Decentriq is trusted by renowned institutions in the DACH market and beyond, such as RTL Ad Alliance, Publicis Media, and PostFinance.

Our analytics & ML pipelines are the heartbeat of this platform. Built in Python and Apache Spark, they run in Databricks workspaces. The role can be fully remote (± 4 h CET) or based in our Zürich/Berlin office. Would you like to help us make the advertising industry ready for the 1st‑party era? Then we’d love to hear from you!

Tasks Own, Design, Build & Operate Data Pipelines – Take responsibility for our Spark‑based pipeline, from development through production and monitoring. Advance our ML Models – Improve and productionise models for AdTech use‑cases such as lookalike modelling and demographics modelling.

AI‑Powered Productivity – Leverage LLM‑based code assistants, design generators, and test‑automation tools to move faster and raise the quality bar. Drive Continuous Improvement – Profile, benchmark, and tune Spark workloads, introduce best practices in orchestr