Senior Big Data / Machine Learning Engineer

Job Title: Senior Big Data / Machine Learning Engineer
Location: McLean, VA (Hybrid - 3 days onsite)
Duration: 12 Months

Job Description:
We are looking for a Senior Big Data / ML Engineer to support a banking client's AML and Risk Technology team. The role involves building scalable data pipelines, processing large transaction datasets, and supporting fraud detection initiatives.

Key Skills

• 5+ years in Data Engineering
• Strong Python / PySpark and SQL
• Experience with AWS (Glue) and Snowflake / Data Warehousing
• Hands-on with distributed data processing and end-to-end pipeline development
• Strong understanding of data transformation and data quality checks

Responsibilities

• Build and maintain scalable data pipelines
• Ingest, transform, and validate large datasets
• Optimize SQL queries and data workflows
• Support production pipelines and deployments
• Collaborate with cross-functional teams

Nice to Have

• Banking/AML or fraud domain experience
• Delta Lake / OneLake exposure