App Dev - Java - Lead

App Dev - Java - Lead (Back end developer)Location: Wilmington, DE /McLean, VA/ Richmond, VA / NYC (Hybrid- 3 days onsite in a week)4 monthsMust have Skills: Java, Scala, SparkAWS Pipeline Experience - Hands-on with S3, Glue, Step Functions, and Lambda across multi-stage data pipelines.Event-Based Architecture - Understand EventBridge rules and S3 event notifications. Know how to handle reruns from event-based triggers.Step Functions - Understand state machine scheduling and downstream job synchronization.Glue and Scaling - Comfortable with Glue job configuration and scaling. Self-researched Glue 4.0 Iceberg limitations when he encountered them.Data Quality - Built a validation component for data security; understands schema drift and backfill handling.Interviews: Two rounds (tech and team fit) 1 hour zoom video interviews