orientdb , Kibana, Freemarker, Unix, MySQL, Elasticsearch, Java Jee, Python, Curl, Logstash, H2, Elk Stack, Bash Shell Scripting, Jms, Linux, Perl, Apache Cassandra, Apache Kafka, Log4j, Glassfish, Rest Apis, SOAP-based web services, Java Enterprise Technologies, OpenMQ

Spark SQL, Power Bi, Data Warehousing, Tableau, Sql, Git, Hive, Presto, Bitbucket, Spark, Oracle, Airflow, Big Data architecture, Data quality and reconciliation frameworks, dimensional modelling, Big Data Query performance tuning, Metabase, Trino, DBT Data Build Tool

Sql, Aws Redshift, Aws S3, Dynamodb, AWS Glue, Github, Apache Spark, Pyspark, Python, Amazon Kinesis, Apache Kafka, Databricks Workflows, Data Quality Validation, Data Governance Frameworks, Amazon Aurora, Delta Lake on Databricks

Java, BigQuery, Hadoop, Pyspark, Dataproc, Sql, Mapreduce, Cloud Storage, Hive, Gcp, Spark, DataFlow, Pub Sub, GCS

google sheets , RPA (Robotic Process Automation), Nosql, MySQL, Tableau, Python, Sql, SAP SQL Server, arc42 documentation standard, Microsoft or cloud-based data architectures, Google BigQuery