Senior Data Engineer

For our Client, we are looking for an experienced person for the position of Senior Data Engineer who likes challenges, is not afraid of unstructured data, and can transform chaos from client sources into clean, trustworthy knowledge. This is a Forward Deployed role, you enter directly into the client's environment (US financial sector/funds), delve into the intricacies of their systems. Cooperation Model: B2B Rate: 170 – 190 PLN / h + VAT Location: 100% Remote Work Language Requirements: English C1 (fluent technical and business communication) Required Experience: Minimum 5 years What will be your responsibilities: Designing, implementing, and optimizing stable ETL processes (ingestion, integration, transformation). Integration of diverse sources, Data aggregation and processing, Data modeling, Implementing automatic validation mechanisms and quality tests. What we expect (Mandatory Requirements): Higher education (preferred fields: Computer Science, Quantitative Methods, Information Systems, Statistics or related). Minimum 5 years of experience in the role of Data Engineer / Data Architect. Very good knowledge of Snowflake or Databricks (SQL, Python, PySpark). Experience with BI tools (e.g., Sigma, Tableau, PowerBI). Practice in integrating data from diverse sources (ERP systems, financial/fund systems, APIs, SharePoint, CSV/Excel files). Fluent English spoken and written. Knowledge of best practices in data security and responsible AI usage. Why it's worth joining us? Real challenges: You don't build "for the drawer" – your work directly influences the client's financial decisions. Freedom and influence: You have a real impact on the architecture and technology selection in the project. Intimate teams: Working in a duo allows for quick decision-making and no unnecessary bureaucracy. Interested? Apply!