onsite
Senior Data Engineer ETL/Big Data/Python - Assistant Vice President - Citi
Data Engineer
Senior Data Engineer leading the Reporting Framework, driving ETL pipelines, Big Data processing, and automated billing across analytical platforms using Python, Spark, and AWS.
About the role
Key Responsibilities
- Design, develop, and maintain scalable ETL pipelines for large‑volume data ingestion and transformation.
- Implement and optimize Apache Spark jobs to process analytical service metrics at scale.
- Build and manage automated billing and chargeback workflows, ensuring accuracy and compliance.
- Collaborate with data scientists and business analysts to create insightful dashboards and reports.
- Leverage AWS services (S3, Glue, Redshift) for data storage, orchestration, and analytics.
Requirements
- 5+ years of experience in data engineering with a focus on ETL and Big Data technologies.
- Strong understanding of data modeling, schema design, and performance tuning.
- Excellent problem‑solving skills and ability to work in a fast‑paced, collaborative environment.
Skills
pythonsqlapache sparkaws