High Availability, identity management systems, DevOps practices, event-driven architectures, fault-tolerant systems, complex state management, cross-regional data consistency, Security Protocols, asynchronous processing patterns, distributed transaction management, scalable detection and fraud prevention systems, cache invalidation strategies

Software Development, Design Patterns, MySQL, Postgres, AWS, Reliability, Amazon Aurora, Scaling

Java, Scala, Apache Spark, Kafka, Databricks, Python, AirFlow, Hive SQL, AWS EMR, Big Data ecosystems, GCP BigQuery