Scalendar August 2025

Event-driven Newsletter

Scalendar August 2025 is here, and despite the summer season, it’s hitting hard – with major Scala conferences, fronted and architecture meetups.
Scala Days are finally landing in Switzerland, backed by legends and community momentum.
From fs2 streaming deep-dives in London to live coding with Li Haoyi in Stockholm and architecture strategies at NFJS Chicago, August is full of talks, real-world takeaways, and new connections.

Whether you’re in it for the code, the people, or the ideas – August brings all three.

Scala conferences in August 2025

Scala Days Switzerland!

• August 19 -21, 2025
• Lausanne, Switzerland
• https://scaladays.org

Scala Days are finally around the corner – and we couldn’t be more excited to be part of it, and this time as a Gold Sponsor!

If you will be there, make sure to stop by our booth for a bit of everything: a fun Scala quiz, our State of Scala 2025 survey (which we’re co-creating with Scala Days!), and of course, our fantastic team ready to chat about tech, projects, or anything in between.

Don’t miss our CTO’s talk: “Akka Unplugged – the anti-patterns that kill performance (and how to fix them)” – it’s going to be packed with insights.
Read the full abstract here: https://scaladays.org/editions/2025/talks/akka-unplugged

Still on the fence about attending? Check out our blog post on Why Scala Days 2025 is a must-attend for CTOs – and where to find Scalac there.

And psst… reach out to us – we have a discount for Scala Days tickets available for you. Send an email to anton.galynya@scalac.io, connect with Anton on LinkedIn, or fill out our Ticket Sales Form, and we’ll help you get it sorted.

Scala conferences in August 2025

Bi-monthly virtual meetup | The Atlanta Scala Meetup Group

• August 06, 2025
• Online 
• https://www.meetup.com/atlanta-scala/events

The Atlanta Scala Meetup’s Bi‑Monthly Virtual Meetup on July 8, at 7 PM, is a live online event hosted by Ibrahim M. and Joe K.

This session brings together Scala professionals and enthusiasts, ranging from beginners to seasoned functional programmers – for a flexible agenda featuring community stories, technical talks, and hands‑on workshops.
It’s an ideal space to connect, share expertise, and grow your network in the Scala ecosystem.

Scala Talks: A deep dive into streaming with fs2 & Scala Meets GenAI | London Scala User Group 

• August 13, 2025
• London, UK 
• https://www.meetup.com/london-scala/events

Dive into advanced Scala at this in-person event hosted by the London Scala User Group at The Trade Desk, London.
The agenda begins with Zainab Ali’s technical overview, “Taking the plunge: a deep dive into streaming with fs2”, followed by a talk by Kannupriya Kalra and Rory Graves: Scala Meets GenAI: Build the Cool Stuff with LLM4S.
Expect open networking, drinks, and a post‑event pub meetup – ideal for technical community building, sharing real‑world stream processing use cases, and boosting domain expertise.

Scala Discussion and Conversation | Dallas Scala Enthusiasts

• August 15, 2025
• Online
• https://www.meetup.com/dallas-scala-enthusiasts

The Dallas Scala Enthusiasts host this online event for developers, architects, and engineering leaders. Community.
Networking begins at 6:30 PM, followed by a deep technical session at 7:00 PM.
This meeting is for those who are looking for general conversation, discussion, and socializing.

Scala Summer Meetup @ Rocker | Scala Stockholm

• August 18, 2025
• Stockholm, Sweden
• https://www.meetup.com/scala-stockholm

Hosted by Scala Stockholm, this meetup features Li Haoyi for a live‑coding session titled “Simpler Scala Builds with the Mill Build Tool”.
Discover how Mill offers a tangible boost over SBT: faster compilation, cleaner configuration, and better scalability for enterprise codebases.
Talk starts at 18:00, followed by community networking.

Scala talks @ Rivero | Zurich Scala Enthusiasts 

• August 25, 2025
• Zurich, Switzerland
• https://www.meetup.com/zurich-scala/events

Join the Zurich Scala Enthusiasts group for an in-person talk by Kannupriya Kalra, co-creator of LLM4S – a Scala-first AI toolkit.
Kannupriya will share how contributing to open-source Scala projects – like Scala CLI, Scaladex, and LLM4S – can accelerate real-world skills, unlock networking opportunities, and strengthen your resume through hands-on experience, even as a beginner.
Expect a mix of technical insight and peer networking.

Software Architecture

Great Lakes Software Symposium | NFJS 2025

• August 1-2, 2025
• Chicago, USA
• https://dev.events/conferences/great-lakes-software-symposium-kdxsmmf

The Great Lakes Software Symposium is designed for hands‑on developers and software architects seeking technical depth. Expect two full days of vendor‑free sessions covering Java 17+, Spring 6, microservices, Kubernetes, DevOps, AI/ML, big data, and software architecture best practices. Sessions are delivered by industry experts like Venkat Subramaniam, Craig Walls, and Brian Sletten, and all in‑person attendees receive access to the NFJS Virtual Workshop Subscription, extending learning through live workshops and on‑demand content.

Software Architecture Conference 

• August 5-8, 2025
• Online
• https://dev.events/conferences/software-architecture-conference-eo0-mbe

Software Architecture Conference from August 5 to 8, 2025, featuring global industry leaders in architecture and engineering.
Expect in-depth sessions on resilient system design, cloud-native patterns, scalability, generative AI, security, and more. Designed for senior engineers, architects, and tech leads, this conference offers live‑stream access and extended on‑demand content, perfect for tech teams focused on architectural excellence and operational resilience.

Dev up 2025

• August 6-8, 2025
• St. Charles, MO, USA
• https://dev.events/conferences/dev-up-2025-fv8-ystr

Dev Up brings together developers, engineers, and technologists across disciplines, from .NET and Java to Rust, DevOps, cloud platforms (AWS, Azure), Agile and more. With 150+ workshops and sessions, plus evening networking events, lunch, and on-site peer engagement, it’s built for hands‑on learning, community connection, and real-world impact

Frontend

WarsawJS Jam

• August 07, 2025
• Warsaw, Poland
• https://crossweb.pl/en/events/warsawjs-jam-sierpien-2025/

WarsawJS Jam is hosting an event that brings together JavaScript and AI practitioners for a fast-paced evening of project-building and skill-sharing. With expert coaches, attendees receive real-time mentorship on AI-enhanced coding workflows using tools such as Cursor AI, while also networking with developers at all levels.
Limited to just 16 participants, it’s free to attend (registration required) – ideal for anyone looking to sharpen their JavaScript, AI/ML integration, and prototyping capabilities.

Summer meet.js

• August 12, 2025
• Cracow, Poland
• https://crossweb.pl/en/events/summer-meet-js-sierpien-2025/

Hosted by the meet.js community, a well-established, non-commercial JavaScript meetup network across Poland. This midsummer meetup drops formal presentations and slides in favour of relaxed networking, open conversation, and peer-to-peer knowledge exchange. With a cozy setup capped at 30 participants, Summer meet.js offers a low-pressure setting ideal for frontend and full‑stack developers to unwind, connect, and swap stories in a friendly atmosphere.

WarsawJS Meetup #129 – oniste

• August 13,  2025
• Warsaw, Poland
• https://crossweb.pl/en/events/warsawjs-meetup-129-onsite/

Join the WarsawJS community for an evening of practical JavaScript innovation and networking.
Highlights include:
Marcin Borkowski, presenting “Taming massive files in the browser: chunking, streaming & reviewing” – expert techniques for slicing multi-gigabyte uploads, streaming large CSVs, and building responsive high-volume UIs.
Piotr Migdał with “Thanks to AI, you can WASM. Yes, even in Rust!” – learn how thoughtfully crafted prompts let you unlock Rust and WebAssembly capabilities on the frontend. 
Plus a lightning talk by Oskar Korczak on “Prompt compressor” – an immediately implementable strategy to reduce LLM API costs.
Expect dynamic tech talks, peer networking, and challenging questions in a code-first setting.

Conclusion 

From architecture blueprints and event-sourced systems to open-source career stories and AI-enhanced JavaScript, August events offer no shortage of technical depth and community firepower.

Stay curious, stay connected, and keep building awesome things.

PS. See you in Lausanne at Scala Days 2025!

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Previous Scalendar Editions

• Scalendar April 2025
• Scalendar May 2025
• Scalendar June 2025
• Scalendar July 2025