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  • Flix
  • Warsaw, 14
  • 6 days ago
Flix VERIFIED EMPLOYER

Data Engineer.

Data Engineering & Architecture
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Data Engineer: our view in 3 lines...

  • The Role:This role is for a data engineer who builds pipelines and data products that help marketing teams make budget decisions.
  • The Person:The person will use Python, SQL and Airflow to build reliable data pipelines, validate and monitor data quality, take part in code reviews, and work with the Product Owner to turn marketing data needs into technical solutions.
  • Requirements:The ideal candidate has experience in data engineering with Python, CI/CD, Terraform, SQL, relational databases, Git and Airflow, with AWS, Docker or Kubernetes preferred.

About the role

Rate: 89 – 119 PLN/hour (B2B)

We are looking for an experienced Data Engineer to join Flix on a freelance/service agreement basis (B2B contract).

Scope of Services

As a Data Engineer at Flix, you can make an impact by building the data pipelines and products that power marketing budget decisions for one of Europe's fastest-growing mobility platforms and contributing to team’s expansion into marketing attribution.

About the Engagement

  • Use Python, SQL, and Airflow to develop reliable data pipelines that empower marketing stakeholders with timely, actionable data
  • Be a good judge of when to delegate to AI, when to trust, and when to meticulously review AI-generated work
  • Ensure data quality through validation, monitoring, and clear documentation
  • Participate in code reviews and contribute to engineering best practices within the team
  • Collaborate with the Product Owner and team to understand marketing stakeholders' data needs and translate them into technical solutions
  • Contribute to the design, optimization, and continuous improvement of scalable data pipelines and infrastructure
  • Understand data products deeply enough to independently investigate data questions, spot anomalies, and explain what the numbers mean to non-technical stakeholders 

About You

  • 2–4 years of hands-on experience in data engineering
  • Degree in Computer Science or a related field - candidates from Business or Marketing backgrounds with technical exposure are also welcome
  • Solid experience with Python, CI/CD, Terraform, SQL, relational databases, and Git
  • Familiar with ETL orchestration tools such as Airflow
  • Naturally curious - comfortable digging into data independently to find the root cause, framing questions about data and developing deep domain expertise over time 
  • Communicates well and works effectively with both technical and non-technical stakeholders; fluent in English 
  • Preferred: experience with AWS, Docker, Kubernetes, or foundational marketing knowledge 

Cooperation model

  • Cooperation based on a service agreement (B2B/freelance contract), not an employment contract
  • You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices
  • Location: open for contractors based in Poland 

 

Published November 4, 2026
Location Warsaw, Poland
Category Data Engineering & Architecture  

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