Data Engineer

Rate: 90 – 120 PLN/hour (B2B)

We are looking for an experiencedData 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…