
Scalendar April 2025

Event-driven Newsletter
April 2025 is almost here, and so is your Scalendar with lots of opportunities for tech growth! From functional programming deep-dives to software architecture best practices, these carefully selected gatherings offer both technical insights and valuable networking. April 2025 is bringing a fresh batch of conferences for all Scala lovers, front-end wizards, and software architects out there. Discover which events will help you sharpen your skills and connect with other fellow professionals.
Scala conferences in April 2025
ScaLatin #10 | Una Typeclass para Gobernarlos a Todos
- April 23, 2025
- Online
- https://www.meetup.com/scalatin/events/306845164/?slug=scalatin&isFirstPublish=true

Join our next edition of ScaLatin, where we explore the power of typeclasses in Scala. This session will cover their theoretical foundations, real-world applications, and their comparison to other functional patterns. Our speaker, Rafael Fernández Ortiz, a Software Engineer with a background in mathematics and formal methods, will share expert knowledge on scalable and maintainable solutions in functional programming.
The event will be conducted in Spanish.
Scala-Pils
- April 2, 2025
- Oslo, Norway
- https://www.meetup.com/scalabin/events/306704096

Oslo’s monthly Scala meetup at Nedre Foss Gård is packed with informal discussions, networking, and good beer in a relaxed setting. All Scala enthusiasts are welcome, so don’t hesitate and join fellow developers in this free community gathering! Drop by to connect, share ideas, and enjoy the social side of coding.
ScalaBridge London
- April 3, 2025
- Online
- https://www.meetup.com/scalabridge-london/events/306457799/

Unlock your Scala potential! Join a free virtual workshop where coding skills flourish regardless of experience level. Whether you are writing your first line of code or refining advanced concepts, this welcoming online space has a place for you. Hosted by Noel, this accessible workshop breaks down barriers to learning and makes programming approachable for everyone.
London Scala User Group | Women in Scala: Career Changers
- April 9, 2025
- London, UK
- https://www.meetup.com/london-scala/events/campaignlleng_event_announcement_prod_unfiltered_v7_en&utm

The London Scala User Group offers a supportive event for women interested in Scala development. Whether you are exploring a career change or looking to grow your skills in this field, this session will help you navigate your journey. Led by Amy Lee, a Scala developer with a background in philosophy, the event will include a collaborative presentation where participants will contribute to creating a valuable guide for career changers in Scala.
Dallas Scala Enthusiasts
- April 11, 2025
- Online
- https://www.meetup.com/dallas-scala-enthusiasts/events/306556860/

Join the Dallas Scala Enthusiasts for their monthly online meetup. This informal virtual gathering welcomes Scala developers of all levels to share ideas, ask questions, and engage in open discussion about the Scala ecosystem. Connect with fellow Scala enthusiasts in this free, discussion-based event.
London Scala User Group | Scala Talks
- April 16, 2025
- London, UK
- https://www.meetup.com/london-scala/events/306436544/

This month, London Scala User Group is hosting another event, this time featuring two compelling talks. Haoyi Li will demonstrate how the Mill Build Tool solves Scala’s build problems with improved performance and usability, while Jędrzej Rochala will present a mystery talk (details coming soon). After the presentations, continue discussions at The Butcher’s Hook and Cleaver pub.
Bay Area Scala
- April 22, 2025
- San Francisco, US
- https://lu.ma/dccyo635

Join Bay Area Scala meetup featuring Li Haoyi as he presents “Solving Scala’s Build Problem with the Mill Build Tool.” Discover how Mill offers advantages over SBT and explore innovative techniques in modern build tools. Hosted by Tubi, this gathering is perfect for Scala enthusiasts of all levels. Attendees can enjoy post-event discussions at a nearby venue and take advantage of a 20% discount on Data Council conference tickets with code SCALA20.
Functional Programming Madrid
- April 22, 2025
- Madrid, Spain
- https://www.meetup.com/fp-madrid/events/306590658

Join this event, featuring Juan Manuel, co-founder of Habla Computing and professor at Universidad Rey Juan Carlos. Juan Manuel will explore alternatives to LLM-based code generation through logical deduction mechanisms. This one is perfect for functional programming enthusiasts looking to deepen their understanding of automated code generation.
The event will be conducted in Spanish.
London Scala User Group | Scala Open Source Hack Night
- April 23, 2025
- London, UK
- https://www.meetup.com/london-scala/events/306961432/?eventOrigin=group_events_list

In April, Scala London Group is truly spoiling us with its events. This time, join fellow Scala enthusiasts for an evening of hacking! This event is perfect for Scala developers of all levels, from beginners to experienced coders. Get ready to collaborate on exciting projects, improve your skills, and connect with the Scala community. Whether you’re looking to contribute to existing projects or kickstart your own, this is a great opportunity to get involved in the Scala open source world.
Software Architecture
AGILE MEETS ARCHITECTURE 2025
- April 3-4, 2025
- Berlin, Germany
- https://dev.events/conferences/agile-meets-architecture-2025-nyxxyfn7

Agile meets Architecture 2025 is a two-day conference that bridges the worlds of agile software development and software architecture. The event features more than 25 sessions across two tracks with a diverse international speaker lineup. Attendees can expect networking opportunities, engaging conversations, and meaningful exchanges on how agile approaches and architecture intersect in modern product development.
CODEMOTION ROME 2025
- April 14, 2025
- Rome, Italy
- https://dev.events/conferences/codemotion-rome-2025-r-35mtpc

Codemotion Rome 2025 brings together tech professionals for Italy’s premier developer conference. This dynamic event features expert speakers, hands-on workshops, and networking opportunities focused on cutting-edge technologies and industry trends. Perfect for developers of all levels looking to enhance their skills and stay ahead in the rapidly evolving tech landscape.
EXPLORE DDD 2025
- April 14-17, 2025
- Denver, US
- https://dev.events/conferences/explore-ddd-2025-8r6dozla

Explore DDD 2025 brings together software architects, developers, and technical leaders. This unique conference includes expert talks with alongside workshops focused on domain-driven design and software modeling. Perfect for practitioners looking to enhance their software design practice through immersive learning experiences.
THE COMPOSABLE CONFERENCE 2025
- April 22-24, 2025
- Chicago, US
- https://dev.events/conferences/the-composable-conference-2025-uu5gtnj9

The Composable Conference 2025 brings architects, developers, and tech leaders together to explore the future of composable architecture and MACH technologies. This event features industry experts sharing practical insights on microservices, API approaches, cloud-native solutions, and headless systems. Join fellow professionals in London for valuable networking opportunities and discussions that will shape the next generation of flexible, scalable digital experiences.
Frontend
meet.js [with Grand Parade]
- April 3, 2025
- Cracow, Poland
- https://www.meetup.com/krakowjs/events/306665146/

meet.js with Grand Parade brings together JavaScript enthusiasts in Cracow. This free meetup features Kuba Wąsik’s presentation on implementing browser Push notifications, with more speakers to be announced. Hosted by Grand Parade, attendees will enjoy pizza, beer, and connections with fellow JS developers of all experience levels. Whether you’re a seasoned pro or just starting out, this community gathering offers valuable insights in a relaxed, social atmosphere.
dotJS 2025
- April 3, 2025
- Paris, France
- https://www.dotjs.io

dotJS celebrates its 10th anniversary on April 3rd at the historic Folies Bergère theater in Paris. The conference includes extensive tech talks exploring AI integration, local-first architecture, and modern frontend routing, complemented by lightning talks on specialized topics. Set in the heart of Paris, the event offers excellent networking opportunities in a beautiful theatrical setting that enhances the collaborative atmosphere.
React Native Connection 2025
- April 3-4, 2025
- Paris, France
- https://reactnativeconnection.io

Paris is giving us another opportunity to explore more at React Native Connection 2025, a conference dedicated to React Native developers. This event combines engaging technical talks from industry experts at companies like Microsoft, Meta, and Shopify with practical training sessions focused on animations and gestures. Attendees will explore deep technical topics from JavaScript to native platform APIs while connecting with developers from around the world.
SUGCON EUROPE 2025
- April 3-4, 2025
- Antwerp, Belgium
- https://dev.events/conferences/sugcon-europe-2025-sr-bwmcs

SUGCON Europe 2025 brings together Sitecore enthusiasts for a conference packed with expert insights. During the event you will gain valuable knowledge from sessions like “Events, Webhooks, & the Authoring API” and “Managing Thousands of Websites in a Single Sitecore Instance” while connecting with peers during networking buffets. Perfect for developers and marketers looking to enhance their Sitecore skills through educational content and community engagement in the heart of Belgium.
COMMIT CONF 2025
- April 4-5, 2025
- Madrid, Spain
- https://dev.events/conferences/commit-conf-2025-2iewffsg

Join Commit Conf 2025 in Madrid for two days of presentations, practical workshops, and valuable networking. This diverse conference welcomes developers of all experience levels to explore the latest technologies, connect with industry professionals, and step outside their comfort zones. Join hundreds of tech enthusiasts to learn, collaborate, and expand your professional network in this engaging Spanish tech gathering.
Node.js Course
- April 22, 2025
- Online
- https://crossweb.pl/en/events/node-js-course-kwiecien-2025/

The Node.js Course offers developers a comprehensive introduction to server-side JavaScript programming. Through guided exercises and real-world examples, participants will gain experience with Express.js, database integration, and deployment strategies. Whether you are new to backend development or looking to expand your JavaScript skills beyond the browser, this focused course provides the technical foundation needed to create efficient, scalable web applications.
CityJS London 2025
- April 23-25, 2025
- London, UK
- https://london.cityjsconf.org

CityJS London 2025 brings together JavaScript enthusiasts for a comprehensive event. With a mix of technical deep dives and networking opportunities, this event offers valuable insights for JavaScript developers of all levels while providing conference swag, meals, and early access to recordings in a collaborative atmosphere born from London’s thriving JavaScript community.
Conclusion
As April unfolds, the tech community offers a wealth of opportunities to expand your knowledge and professional network. These Scala conferences not only provide technical insights but also create spaces for meaningful connections with fellow developers and industry leaders. As the weather (finally!) warms, take advantage of these spring events to refresh your skills, gain new perspectives, and build relationships that can propel your career forward – mark your calendars and register early!
Explore new career opportunities
Ready for your next professional challenge? Discover the latest job openings at Scalac! We’re currently seeking talented engineers based in Europe:
Senior Rust Engineer (blockchain domain)
Developer Experience Engineer (blockchain domain)
Senior Scala Developers w/ Akka
Senior Scala Developers w/ ZIO
Or apply to Scala Talent Pool – send your CV, and we’ll contact you whenever a project matching your skill set comes up!


