Rock the jvm!
The zero-to-master online courses and hands-on training for Scala, Kotlin, Spark, Flink, ZIO, Akka and more.
No more mindless browsing, obscure blog posts and blurry videos. Save yourself the time and frustration and follow a smooth learning curve where code is king.
NEW! The Typelevel Rite of Passage
The experience of a software engineer. Use the Typelevel stack to build your own full-stack product in Scala 3, with credit card checkout, emails, the real deal. The app we build is live here.
Latest Articles
Scala Courses
FREE! Scala at Light Speed
For the busy programmer. Learn Scala's most important features in the time it takes to watch a movie.
NEW! Scala 3 New Features
A jam-packed course for Scala 2 developers. Learn everything you need to know about Scala 3 without starting from scratch.
Scala & FP Essentials
Now with Scala 3. Become a Scala programmer. Dive head-first and hands-on into the fundamentals of Scala and functional programming. Also available for Scala 2.
Advanced Scala
Now with Scala 3. Become a true Scala rockstar. Master multithreading, abstractions, advanced functional programming and more. Also available for Scala 2.
Scala & FP Interview Practice
Nail that Scala interview. Master data structures, algorithms and the pure functional programming mindset with Scala.
The Scala Bundle
Become one of the best Scala programmers. Take all of the above at a discount, where you have everything you need to work with Scala, from zero to master.
ZIO
NEW! ZIO 2.0
Learn to write powerful applications with parallelism, concurrency and pure functional programming with one of the hottest tools in the Scala ecosystem.
Typelevel
Cats Effect 3
Write composable, high-performance, purely functional applications and become productive with Cats Effect, one of the most powerful libraries for Scala.
Cats
Think higher level, write grounded code. Everything you need to know to write Scala with one of the most popular libraries for functional programming.
Flink
NEW! Apache Flink
Stream big data like a boss. Process millions of events in real time with one of the most powerful libraries and engines for stateful data streaming.
Spark Courses
Spark Essentials
The only Big Data course on the web with real big data. Learn the most popular big data toolkit while crunching billions of records, live, in record time.
Spark Streaming
Process massive data as it arrives. Integrate Spark with Kafka, JDBC, Cassandra and anything you want. Process live tweets in real time and stream data like you own it.
Spark Optimization
Write perfomant code. Learn the ins and outs of Spark and make your code run blazing fast. Master tools and techniques used by the very best.
Spark Performance Tuning
Tune Apache Spark for best performance. Master Spark internals and configurations for maximum speed and memory efficiency for your cluster.
The Spark Bundle
Take all of the above at a discount and you won't need another book, video or blog again. Enjoy a complete structured journey from zero to master in Apache Spark.
Akka
Akka Typed
Enough threads and locks and headaches. Meet the Actor Model. Dive into a better way of thinking concurrent and distributed code. Also with classic actors.
Akka Streams
The power of Reactive Streams in your hands. Learn to implement reactive data-rich systems at any scale. Write in 10 lines what other people write in 3000.
Akka HTTP
Build microservices in minutes. Write stream-based REST APIs, backends and microservices, send and receive JSON auto-magically, all with a powerful server DSL.
Akka Classic Persistence
Hello, Event Sourcing: a different way of thinking persistence and storage. And it just so happens it fits the Actor Model like a glove.
Akka Classic Clustering
Distributed systems, baby: Akka was designed to be distributed from the get-go. Learn to use the power of clustering for large-scale, reactive distributed systems.
Akka Classic Serialization
In short: Java serialization sucks for fast data. Learn to use Avro, Kryo or Protobuf to max-out the performance of your Akka system.
The Akka Bundle
Take the only complete journey with Akka on the web at a discount, write 10k lines of code, and just rock those distributed systems.
The Membership
Now also for teams!
All of Rock the JVM, at your service. Access ~250 hours of the best content you'll ever find, write more code than many write in their careers, and be welcome in a community of driven people like you.
The Instructor
Daniel Ciocîrlan
Software engineer and best-selling instructor. I'm an avid fan of Scala, Kotlin, functional programming, big data and streaming. As of May 2023, I've taught more than 80000 people all over the world.
I've taught Scala, Kotlin, Akka, Spark and more in live trainings at some of the best companies in the world.
Reviews
(San Francisco Bay Area, California)
(Athens, Greece)
(Cupertino, California)