DataEngineer(m/f)

**Job Description & Summary** **Location:****** Bratislava, Košice (Hybrid) — Engage with global teams across Western Europe and the USA **Team:** Advanced Technology Solutions (ATS) - AI Security Consulting at PwC Join PwC's pioneering **data & AI team** and help build the **data foundations** behind impactful **AI solutions**. We're growing quickly due to a strong pipeline of client work, and we're hiring across multiple seniority levels — from **junior to senior Data Engineers**. **Python** is the core skill we expect. Depending on your strengths, you may focus on **pipelines** , **platforms** , **SQL** , or designing **scalable data solutions**. Many roles also include "full-solver" flexibility — contributing where needed, including **automation** , **integration work** , or enabling **AI/GenAI use cases** on modern platforms (including **Microsoft technologies** where relevant). ## **Key responsibilities:** * **Build the Backbone of AI Solutions** : Design, implement, and maintain scalable **data pipelines** and **ETL/ELT processes** using **Python** and **Spark** (PySpark). You'll ingest, transform, and deliver data from diverse sources — from industrial sensor streams and satellite imagery to unstructured pharmaceutical documents — into **analytics and ML platforms** that power real impact. * **Design Data That Scales** : Create and optimize **data models**(star/snowflake schemas), build**data warehouses** and**data lakes** , and ensure your architecture supports everything from GenAI-powered dashboards and natural language interfaces to anomaly detection in financial systems and real-time industrial optimization. * **Enable Machine Learning: **Work hand-in-hand with **data scientists** and**ML engineers**. Implement robust **preprocessing** and **feature engineering** steps so that datasets feeding NLP models, computer vision pipelines, classification systems, and predictive analytics are clean, consistent, and production-ready. * **Make It Fast, Keep It Rel