Here's a list of every tech and language that I've heard as "extremely important" for data engineering:
Languages:
- Python
- Scala
- R
- GroovyScript
- Bash
- C
Technologies:
- Spark
- Hive
- Hadoop
- Airflow
- Spring Boot
- Great Expectations
- Flink
- Kafka
- Iceberg
- Delta Lake
- Storm
- Pig
- React
- Kubernetes
- D3
- Tableau
- PowerBI
- Trino
- MySQL
- Postgres
- Oracle
- Sadness
- BigQuery
- Snowpark
- Gremlin
- JanusGraph
- Neptune
- Neo4j
Cloud Platforms:
- GCP
- Databricks
- Snowflake
- Confluent
- AWS
- Azure
Anything I miss?