Rock the JVM

New podcast episode! Stephan Janssen (@stephanjanssen.be), creator of @devoxx.com - agentic engineering, staying ahead of the curve, and memorable conferences links below

New podcast episode! Victor Rentea on agentic engineering, training, patterns that are still relevant, and how "AI didn't replace you, it promoted you":

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open.spotify.comVictor Rentea on Agentic Engineering, Training, and Getting Promoted with AIRock the Code · Episode

Spotify: open.spotify.com/episode/2ist...

podcasts.apple.comVictor Rentea on Agentic Engineering, Training, and Getting Promoted with AIPodcast Episode · Rock the Code · 14 October · 1hr 9min · Video

New podcast episode! Victor Rentea on agentic engineering, training, patterns that are still relevant, and how "AI didn't replace you, it promoted you":

youtu.beAI Didn't Replace You, AI Promoted You | Victor RenteaYouTube video by Rock the JVM

YouTube: youtu.be/-Q3Gx0-fZYI

open.spotify.comStephan Janssen on Devoxx, Agentic Engineering and Staying Ahead of the CurveRock the Code · Episode

New podcast episode! Stephan Janssen (@stephanjanssen.be), creator of @devoxx.com - agentic engineering, staying ahead of the curve, and memorable conferences links below

Spotify: open.spotify.com/episode/09g6...

podcasts.apple.comStephan Janssen on Devoxx, Agentic Engineering and Staying Ahead of the CurvePodcast Episode · Rock the Code · 16 September · 1hr 10min · Video

New podcast episode! Stephan Janssen (@stephanjanssen.be), creator of @devoxx.com - agentic engineering, staying ahead of the curve, and memorable conferences links below

youtu.beDevoxx, Agentic Engineering, and Staying Ahead of the Curve | Stephan JanssenYouTube video by Rock the JVM

YouTube: youtu.be/a6kpgz9Lj1Y

youtu.beAlgebraic Data Types (ADTs) in JavaYouTube video by Rock the JVM

2 Sept

New video on Algebraic Data Types (ADTs) in Java: youtu.be/4f_ACZBKtZM

open.spotify.comTrisha Gee on the Software Job Market, Skill Atrophy, and the Death of Stack OverflowRock the Code · Episode

New podcast episode! Trisha Gee on AI & the software job market, skill atrophy and the death of Stack Overflow:

Spotify: open.spotify.com/episode/4Gir...

podcasts.apple.comTrisha Gee on the Software Job Market, Skill Atrophy, and the Death of Stack OverflowPodcast Episode · Rock the Code · 19 August · 1hr 42min · Video

New podcast episode! Trisha Gee on AI & the software job market, skill atrophy and the death of Stack Overflow:

youtu.beTrisha Gee on the Software Job Market, Skill Atrophy, and the Death of Stack OverflowYouTube video by Rock the JVM

YouTube: youtu.be/SKrOSpInUtk

open.spotify.comDaniel Spiewak on Cats Effect, Underrated Scala, and Becoming a Distinguished EngineerRock the Code · Episode

4 Aug

New podcast episode! Daniel Spiewak (@djspiewak) on Cats Effect, underrated Scala, and becoming a Distinguished Engineer:

Spotify: open.spotify.com/episode/69CT...

10 Aug

podcasts.apple.comDaniel Spiewak on Cats Effect, Underrated Scala, and Becoming a Distinguished EngineerPodcast Episode · Rock the Code · 9 August · 1hr 37min · Video

4 Aug

New podcast episode! Daniel Spiewak (@djspiewak) on Cats Effect, underrated Scala, and becoming a Distinguished Engineer:

youtu.beDaniel Spiewak on Cats Effect, Underrated Scala, and Becoming a Distinguished EngineerYouTube video by Rock the JVM

4 Aug

YouTube: youtu.be/_xkSfoP0fVo

rockthejvm.comADTs (Algebraic Data Types) in JavaDiscover ADTs (Algebraic Data Types) in modern Java: how records and sealed interfaces bring sum types and product types to Java 25

20 July

New article - ADTs (algebraic data types) in Java: rockthejvm.com/articles/alg...

open.spotify.com18 - Venkat Subramaniam on System Design, a Rich Career, and Responsibility in the Age of AIRock the Code · Episode

New podcast episode! Venkat Subramaniam (@venkat_s) on System Design, a Rich Career, and Responsibility in the Age of AI:

Spotify: open.spotify.com/episode/0owy...

podcasts.apple.com18 - Venkat Subramaniam on System Design, a Rich Career, and Responsibility in the Age of AIPodcast Episode · Rock the Code · 9 July · 1hr 48min · Video

Apple Podcasts: podcasts.apple.com/gb/podcast/r...

New podcast episode! Venkat Subramaniam (@venkat_s) on System Design, a Rich Career, and Responsibility in the Age of AI:

youtu.beVenkat Subramaniam on System Design, a Rich Career, and Responsibility in the Age of AIYouTube video by Rock the JVM

YouTube: youtu.be/U8goS6B3BbI

youtu.beMagnus Madsen on Flix, Scala Inspiration, AI, and the Relevance of Programming LanguagesYouTube video by Rock the JVM

25 June

New podcast episode! Magnus Madsen on everything about the Flix programming language, effect oriented programming, AI and the relevance of programming languages: youtu.be/qMyl2kyDI0I

open.spotify.comMagnus Madsen on Flix, Scala Inspiration, AI, and the Relevance of Programming LanguagesRock the Code · Episode

25 June

Spotify: open.spotify.com/episode/49NV...

podcasts.apple.comMagnus Madsen on Flix, Scala Inspiration, AI, and the Relevance of Programming LanguagesPodcast Episode · Rock the Code · 24 June · 1hr 16min · Video

25 June

Apple Podcasts: podcasts.apple.com/gb/podcast/r...

20 June

The Spark Performance Tuning course is updated for Spark 4.1, and with new content on shuffle compression. That makes the Spark Bundle the most complete training on Apache Spark anywhere. You'll get better hands-on skills than $3000 worth of Databricks trainings, >15x cheaper.

rockthejvm.comThe Apache Spark Bundle with ScalaEverything you need to become an expert Apache Spark developer. Master Spark with Scala and big data through clear lessons, practical exercises, and a smooth learning curve. Ideal for those with some ...

20 June

Check out the complete Spark Bundle if you're interested: rockthejvm.com/courses/the-...

20 June

By the way, all updates are free for everyone currently enrolled, including member subscribers. Enjoy!

10 June

Massive update landed on the Spark Optimization course: Everything updated for Spark 4.1, about 25% lessons updated + a brand new chapter. No other course on the market shows all the techniques in this course, and it's > 10x cheaper than equivalent Databricks training.

rockthejvm.comApache Spark Optimization with ScalaUnlock the secrets to writing high-performance code with Apache Spark with Scala. Our course covers essential tools and techniques to optimize your applications, ensuring they run blazing fast. Learn ...

10 June

For everyone interested: rockthejvm.com/courses/apac...

10 June

All updates are free for everyone currently enrolled. Enjoy!

youtu.beRichard Eisenberg on OCaml, Effective AI, Teaching FP and Hiring for FundamentalsYouTube video by Rock the JVM

9 June

New podcast episode! Richard Eisenberg on OCaml, effective AI, teaching programming, career pivot points, Haskell, language design, hiring and much more: youtu.be/PpSIhcJOfbw

open.spotify.com16 - Richard Eisenberg on OCaml, Effective AI, Teaching FP and Hiring for FundamentalsRock the Code · Episode

9 June

Spotify: open.spotify.com/episode/7LNu...

podcasts.apple.com16 - Richard Eisenberg on OCaml, Effective AI, Teaching FP and Hiring for FundamentalsPodcast Episode · Rock the Code · 5 June · 1hr 40min · Video

9 June

Apple Podcasts: podcasts.apple.com/gb/podcast/r...

5 June

"Hiring Scala developers is hard" is a myth. You can far more easily hire for good foundations and train them to use the language properly. Good people get productive in a few days. All that, and about 5x cheaper than hiring the perfect developer with all the checkboxes.

3 June

MASSIVE update for the Spark Streaming course: About 60% of the course re-recorded or brand new. Spark 4.x, better integrations, new stateful transformations, and a brand new project. It's now the most complete Spark Streaming course on the market, >15x cheaper than Databricks.

rockthejvm.comApache Spark Streaming with ScalaUnlock the power of Apache Spark Streaming with Scala. Learn to process massive data in real time, integrate with Kafka, JDBC, Cassandra, and other tools, and manage live data streams with ease. Ideal...

3 June

Check it out: rockthejvm.com/courses/apac...

youtu.beReal-Life Scala Capture Checking by Daniel Ciocîrlan | Scalar 2026YouTube video by SoftwareMill

29 May

My live-coding talk at Scalar Conference about capture checking in Scala 3 is out! youtu.be/bbBwqdrRoEI

youtu.beSam Newman on Microservices, Monoliths, and Building Resilient Distributed SystemsYouTube video by Rock the JVM

28 May

New podcast episode! Sam Newman on resilient distributed services, monoliths, microservices and how to deploy good software at scale: youtu.be/XV1hf8BwvXc

18 May

What would you like to learn, that the AI can't teach you?

14 May

MASSIVE update landed on the Spark Essentials course for the latest Spark 4.x, with UDFs, UDAFs, Variant types, advanced SQL, etc. Right now it's the most comprehensive Spark fundamentals course on the market, and >15x cheaper than Databricks training.

youtu.beJosé Valim on Elixir, AI Tools, Gradual Type Systems, and Being a Prolific Open-Source ContributorYouTube video by Rock the JVM

12 Mar

New long-form conversation! José Valim on all things Elixir, gradual type systems, open-source, AI and how Elixir positions itself in this day and age, community leadership and a lot more: youtu.be/OjgZ8vOHE6I

Rock the JVM reposted

Scala.IO

@scalaio.bsky.social

17 Aug 2025

📢 Second batch ! To Effect or Not to Effect: clear perspective (& tradeoffs) into all the effect systems in the Scala ecosystem @rockthejvm.com AI Assistance for Scala Developers: What JetBrains Brings to the Table: let's discuss of JetBrains solutions (agent, MCP etc.) @makingthematrix.github.io

youtu.beJohn De Goes on API Design, Effect Systems, Entrepreneurship and The Ultimate CoderYouTube video by Rock the JVM

29 July 2025

New long-form conversation: John De Goes (@jdegoes.bsky.social) on good API design, timeless skills for software engineers in the age of AI, improving communication skills as programmers, and making programming entertaining: youtu.be/q90QZ05wddU

youtube.comRobert Martin on Clojure, AI, Programming Languages and the Craft of Good CodeYouTube video by Rock the JVM

18 July 2025

New long-form conversation! Robert Martin aka "Uncle Bob" on AI, good programming principles, Clojure, type systems, discipline, productivity and more: www.youtube.com/watch?v=FWQ5...

Rock the JVM reposted

Akka

@akka.io

25 June 2025

Some people refer to Jonas as a '𝗹𝗲𝗴𝗲𝗻𝗱'... In this @rockthejvm.com episode, Jonas Bońer discusses the future of open-source sustainability and how the actor model powers #agenticAI systems. Watch the full discussion: akka.io/blog/the-bac... #AgenticAI #AI #DistributedSystems #Developer

akka.ioThe backbone of agentic AI, distributed systems, and OSS sustainabilityJonas Bonér talks Akka’s evolution, open-source challenges, BSL licensing, and how Akka powers scalable, agentic AI systems.

30 June 2025

Good Scala developers tend to be amazing engineers overall. This explains (at least in part) why good Scala developers may seem hard to find - there's a lot of competition for them from other ecosystems too.

6 June 2025

Now also for the Typelevel GSoC projects!

Rock the JVM@rockthejvm.com

Rock the JVM is supporting Google Summer of Code with #Scala by providing all students free access to the Scala courses on the site

youtu.beJonas Bonér on Akka, Distributed Systems, Open-Source Sustainability and the Backbone of Agentic AIYouTube video by Rock the JVM

27 May 2025

New long-form video! Jonas Bonér on Akka, distributed systems, the sustainability of open-source, and the backbone for agentic AI: youtu.be/wXM3-jAKDfQ