Job Title: Senior Data Engineer
Location: Krakow, Poland (Hybrid 3 Days in a week)
Job Type: Contract (B2B/Freelancing)
Job Description
Mandatory skills: Python, PySpark, Azure Databricks. Good to have SQL, ADF.
Key Responsibilities
- ideally 5+ years of experience as a Data Engineer, including exposure to large‑scale or Big Data environments
- strong experience with SQL and database systems (relational and NoSQL), including query optimization and schema design
- hands‑on experience with search platforms or information retrieval technologies (indexing, ranking, text search, semantic search, metadata modeling, vector search, relevance tuning, etc.)
- knowledge of Graph Databases (e.g., Neo4j, Cosmos DB Gremlin API) and their application to knowledge graphs or entity‑relationship search
- strong programming skills in Python, Scala, Spark, and experience with Big Data tools such as Azure Cloud, Databricks, and PowerBI (or equivalents)