Senior Data Engineer (Python)

Headquarters: Sweden URL: http://career.proxify.io The Role: We are looking for a Senior Data Engineer to architect and scale the data foundations for one of our high-growth client products. The ideal candidate is a Python expert who treats data infrastructure as software, implementing CI/CD, unit testing, and observability into every layer of the modern data stack. You are a perfect candidate if you are growth-oriented, you love what you do, and you enjoy working on new ideas to develop exciting products. What we’re looking for: • 5+ years of experience building complex data processing applications using Python (Pandas, PySpark, or Dask). • Advanced SQL skills for complex transformations, window functions, and query optimization in cloud warehouses. • Deep experience with dbt (data build tool) for managing the T in ELT, including documentation and testing. • Proven experience with Apache Airflow, Prefect, or Dagster for managing complex dependency graphs. • Hands-on experience with Snowflake, BigQuery, or AWS Redshift. • Strong understanding of Dimensional Modeling (Star/Snowflake schema) and Data Vault 2.0. • Experience with Git, Docker, and implementing CI/CD for d