What Data Engineers Really Do: It’s Not Pipelines — It’s Guarantees, Contracts, and Cost-Aware Systems
Modern data engineering isn’t about building pipelines — it’s about building trust, reliability, and cost-aware systems. This article reframes the role and explains what experienced engineers actually do.
Why Data Formats Matter More Than You Think
Parquet, ORC, Arrow, Delta, Iceberg, and Hudi — not just file formats, but architectural levers. Storage layout, compression, and schema semantics define how data moves, scales, and fails across distributed systems.
Introduction to MLOps: Managing the Machine Learning Lifecycle
Learn how to manage the machine learning lifecycle with MLOps. Follow a fintech team’s journey to build, deploy, and monitor a fraud detection model, ensuring scalability and GDPR compliance.
4 Types of Analytics That Matter
Explore the 4 types of analytics—descriptive, diagnostic, predictive, prescriptive—and learn how they drive business decisions with real-world examples.