Rock the JVM Courses

For the busy programmer: learn Scala's most important features in the time it takes to watch a movie

Discover Scala 3's new features without re-learning the language — a concise course designed for Scala 2 developers

Now with Scala 3 – become a Scala developer by mastering the essentials of Scala and functional programming with our comprehensive, hands-on course – also available for Scala 2

Master data structures, algorithms, and the pure functional programming mindset with Scala to ace your Scala interview

Now with Scala 3 – become a Scala rockstar by mastering Scala and functional programming with our comprehensive, hands-on advanced course – also available for Scala 2

For the busy programmer: learn Kotlin's most important features in the time it takes to watch a movie

Become a Kotlin developer by mastering the essentials of Kotlin with our comprehensive, hands-on course

Master Kotlin coroutines and build massively parallel and concurrent applications with our hands-on course designed for pro Kotlin developers

Become a Kotlin rockstar by mastering Kotlin with our comprehensive, hands-on advanced course

Unlock the potential of ZIO: master writing powerful applications with parallelism, concurrency, and pure functional programming

Build your own full-stack Scala application with ZIO: from credit card checkout to AI and emails, experience real-world development with our comprehensive course, and see the live app here

Master Scala and functional programming with the Cats library: Learn to write high-level, grounded code using one of the most popular libraries in the functional programming ecosystem

Write composable, high-performance, purely functional applications and boost your productivity with Cats Effect, one of the most powerful libraries for Scala

Build your own full-stack Scala application with Typelevel: working on credit card checkout and emails, experience real-world development with our comprehensive course, and see the live app here

Stream big data like a pro using Apache Flink with Scala: Process millions of events in real time using one of the most powerful libraries and engines for stateful data streaming

Become an Apache Spark developer by mastering the essentials of Apache Spark with Scala and big data with our comprehensive, hands-on course

Master Apache Spark Streaming with Scala: process massive data as it arrives, integrate with Kafka, JDBC, Cassandra, and more – handle live data streams effortlessly

Write performant code: master Apache Spark with Scala's tools and techniques to make your applications run blazing fast and learn the strategies used by top developers

Optimize Apache Spark with Scala for peak performance: master Spark internals and configurations to achieve maximum speed and memory efficiency for your cluster

Say goodbye to threads, locks, and headaches: meet the Actor Model and discover a smarter approach to concurrent and distributed coding — classic actors also available

Harness the power of reactive streams using Akka/Apache Pekko Streams with Scala: learn to implement scalable, data-rich systems efficiently, writing in a few lines what takes others thousands to achieve

Build microservices in minutes using Akka/Apache Pekko HTTP with Scala: Develop stream-based REST APIs, backends, and microservices with ease, sending and receiving JSON effortlessly using a powerful server DSL

Become a Scala and functional programming expert from scratch with our all-inclusive course bundle: master everything you need in one complete package, at a discount

Become a Kotlin expert from scratch with our all-inclusive course bundle: master everything you need in one complete package, at a discount

Become a Apache Spark and big data expert from scratch with our all-inclusive course bundle: master everything you need using Scala in one complete package, at a discount

Become a Akka/Apache Pekko and distributed JVM applications expert from scratch with our all-inclusive course bundle: master everything you need with Scala in one complete package, at a discount