Apache Hadoop Computer Science Data Modeling 
Dataconomy
MAY 26, 2025
Programming and data processing skills A solid grasp of programming languages such as C, C++, Java, and Python is crucial, alongside experience in creating data pipelines and utilizing data transformation tools.
Pickl AI
JUNE 5, 2025
Model Development and Validation: Building machine learning models tailored to business problems such as customer churn prediction, fraud detection, or demand forecasting. Validation techniques ensure models perform well on unseen data. Data Manipulation: Pandas, NumPy, dplyr. Big Data: Apache Hadoop, Apache Spark.
Pickl AI
JULY 25, 2023
Skills and Tools of Data Engineers Data Engineering requires a unique set of skills, including: Database Management: SQL, NoSQL, NewSQL, etc. Data Warehousing: Amazon Redshift, Google BigQuery, etc. ETL Tools: Apache NiFi, Talend, etc. Data Modeling: Entity-Relationship (ER) diagrams, data normalization, etc.
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