Senior Data Engineer

1. Apache Spark                                                         Expertise in distributed data processing, Spark SQL, and performance tuning.

2. Airflow / Workflow Orchestration                Ability to design and manage complex ETL pipelines with dependency handling.           

3. BigQuery, SQL & PostGres                             Strong querying skills and experience with large-scale data analytics.        

4. Python                                                                     Proficient in writing ETL scripts, data validation, and automation.  

5. Linux & Git                                                            Comfortable with command-line tools and version control for data workflows.