All 5 days in office Required Skills: 1. Core Java (Concurrency & Multithreading) – Expert 2. Core Java (Collections & Object-Oriented Concepts) – Expert 3. Spring Framework – Expert 4. Kafka – Intermediate or above 5. SQL and NoSQL Databases – Intermediate or above 6. Hands-on experience with Flink, Spark, or Databricks for data processing 7. Databricks exp – Mandatory