Decentriq

Senior Data Pipeline Engineer, Freelance

Decentriq

contract

Posted on:

Location Type: Hybrid

Location: Zürich • Switzerland

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Job Level

Senior

Tech Stack

AirflowPySparkPythonRustScalaSpark

About the role

  • 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 modeling.
  • AI-Powered Productivity – Leverage LLM-based code assistants, design generators, and test-automation tools to move faster and raise the quality bar.
  • Share your workflows with the team
  • Drive Continuous Improvement – Profile, benchmark, and tune Spark workloads, introduce best practices in orchestration & observability, and keep our tech stack future-proof.

Requirements

  • Bachelor/Master/PhD in Computer Science, Data Engineering, or a related field and 5+ years of professional experience.
  • Expert-level Python and PySpark/Scala Spark experience.
  • Proven track record building resilient, production-grade data pipelines with rigorous data-quality and validation checks.
  • Data-platform skills: operating Spark clusters, job schedulers, or orchestration frameworks (Airflow, Dagster, custom schedulers).
  • (Plus) Working knowledge of ML lifecycle and model serving; familiarity with techniques for audience segmentation or look-a-like modelling is a big plus.
  • (Plus) Rust proficiency (we use it for backend services and compute-heavy client-side modules).
Benefits
  • Competitive rates
  • Ownership instead of simply an executor
  • An amazing and fun team that is distributed all over Europe.
  • No need for a formal motivational letter.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonPySparkScaladata pipelinesdata qualitydata validationML lifecycleaudience segmentationlookalike modellingRust
Soft Skills
team collaborationcontinuous improvementproblem-solving
Certifications
Bachelor's degreeMaster's degreePhD in Computer SciencePhD in Data Engineering