Data Engineering
Learn Programming Languages
Python
SQL
Java or Scala (Optional)
Learn Databases
Relational Databases (PostgreSQL, MySQL)
NoSQL Databases (MongoDB, Cassandra)
Data Warehousing (Snowflake, Redshift)
Learn Big Data Concepts
Hadoop Ecosystem (HDFS, MapReduce)
Spark
Kafka
Learn Cloud Platforms
AWS Data Services (S3, EMR, Glue, Redshift)
GCP Data Services (Cloud Storage, Dataproc, Dataflow, BigQuery)
Azure Data Services (Blob Storage, HDInsight, Data Factory, Synapse Analytics)
Learn Data Orchestration
Apache Airflow
Luigi
Learn ETL/ELT Tools
Talend
Informatica
Learn Data Governance & Security
Data Cataloging
Data Masking
Access Control