PostgreSQL, SQL Server, AWS database services, Rollback strategies, Migration runbooks, Aurora PostgreSQL, Post-migration stabilization activities, Cutover procedures, Validation plans, Production database operations

Spark SQL, S3, RDS, Aws Services, Pyspark, Emr, Jenkins, Git, Devops Tools, Python, Big Data concepts, AWS architecture, AWS cloud microservices, cloud implementation projects, Aurora, Snowflake SQL, Glue, Data Vault 2.0

Pyspark, Spark, Databricks, Python, Sql, AWS, ELT, Etl, Delta Lake

Oauth, Git, Docker, API design, Spring Framework, Kubernetes, JWT authentication, Java Spring Boot

stream processing , Java, Distributed Systems, API design, Lucene, Cloud Infrastructure, Microservices, Elasticsearch, AWS, Compliance, SaaS architectures, ML Infrastructure, Security, OpenSearch, Vector Databases, Reliability