Apache Spark

Apache Spark is a powerful open-source engine that processes massive amounts of data incredibly fast – think analyzing millions of customer records in seconds rather than hours. Companies like Netflix, Uber, and Amazon rely on Spark to power their real-time recommendations, fraud detection, and business insights. For career changers, Spark skills open doors to high-demand roles in data engineering, analytics, and machine learning. You'll find opportunities across industries from finance to healthcare, where organizations desperately need professionals who can turn their growing data mountains into actionable intelligence.