Lambda Days
@lambdadays.bsky.social
Your favourite Functional Programming conference is here 🥳
Mark your calendars for 2026: 11-12 June
2 days of full immersion in languages like #Haskell #Scala #Elm #Gleam #Elixir and #Clojure 🔥
Mark your calendars for 2026: 11-12 June
2 days of full immersion in languages like #Haskell #Scala #Elm #Gleam #Elixir and #Clojure 🔥
Thanks for joining us for Lambda Days 2024 💜 Mark your calendars and and see you next year 🐲
June 13, 2025 at 3:08 PM
Thanks for joining us for Lambda Days 2024 💜 Mark your calendars and and see you next year 🐲
We're wrapping up the conference with keynote talk by Romain Michon 🔥
June 13, 2025 at 2:40 PM
We're wrapping up the conference with keynote talk by Romain Michon 🔥
Time to thank our sponsors that made this event possible 👏
We appreciate your ongoing support, Standard Chartered, @erlangsolutions.bsky.social and @ahrefs.bsky.social 💜
We appreciate your ongoing support, Standard Chartered, @erlangsolutions.bsky.social and @ahrefs.bsky.social 💜
June 13, 2025 at 9:57 AM
Time to thank our sponsors that made this event possible 👏
We appreciate your ongoing support, Standard Chartered, @erlangsolutions.bsky.social and @ahrefs.bsky.social 💜
We appreciate your ongoing support, Standard Chartered, @erlangsolutions.bsky.social and @ahrefs.bsky.social 💜
We learned how to learn, now it's time to mingle! Enjoy your coffee break and get ready for next round of inspiring talks.
June 13, 2025 at 9:11 AM
We learned how to learn, now it's time to mingle! Enjoy your coffee break and get ready for next round of inspiring talks.
Starting day 2 with Martin Odersky, the creator of Scala himself 🙌
🔜 Panel discussion: Learning How to Learn
and Lightning talks ⚡️
#lambdadays @scala-lang.org #scalalang
🔜 Panel discussion: Learning How to Learn
and Lightning talks ⚡️
#lambdadays @scala-lang.org #scalalang
June 13, 2025 at 7:52 AM
Starting day 2 with Martin Odersky, the creator of Scala himself 🙌
🔜 Panel discussion: Learning How to Learn
and Lightning talks ⚡️
#lambdadays @scala-lang.org #scalalang
🔜 Panel discussion: Learning How to Learn
and Lightning talks ⚡️
#lambdadays @scala-lang.org #scalalang
Evan Czaplicki is wrapping up the talks part of the day with his presentation about language adoption.
Next stop ➡️ afterparty 🎉
#lambdadays #elm
Next stop ➡️ afterparty 🎉
#lambdadays #elm
June 12, 2025 at 3:03 PM
Evan Czaplicki is wrapping up the talks part of the day with his presentation about language adoption.
Next stop ➡️ afterparty 🎉
#lambdadays #elm
Next stop ➡️ afterparty 🎉
#lambdadays #elm
Talks are great but don't forget about the hallway track (a.k.a. gossiping and geeking out with friends and new people). Grab a coffee and enjoy being part of this amazing community!
June 12, 2025 at 1:30 PM
Talks are great but don't forget about the hallway track (a.k.a. gossiping and geeking out with friends and new people). Grab a coffee and enjoy being part of this amazing community!
Should we rename Lambda Days to Dragon Fest? 🤔
Check @erlangsolutions.bsky.social stand to see how you can win one of the brick dragons 🐉
Or make yourself one - origami instructions and paper are waiting for you downstairs.
#lambdadays
Check @erlangsolutions.bsky.social stand to see how you can win one of the brick dragons 🐉
Or make yourself one - origami instructions and paper are waiting for you downstairs.
#lambdadays
June 12, 2025 at 10:51 AM
Should we rename Lambda Days to Dragon Fest? 🤔
Check @erlangsolutions.bsky.social stand to see how you can win one of the brick dragons 🐉
Or make yourself one - origami instructions and paper are waiting for you downstairs.
#lambdadays
Check @erlangsolutions.bsky.social stand to see how you can win one of the brick dragons 🐉
Or make yourself one - origami instructions and paper are waiting for you downstairs.
#lambdadays
Pick your track! As always, we're giving you lots of incredible talks to choose from. But don't worry if some that you're interested in overlap - after the conference you get access to all recorded presentations.
#lambdadays
#lambdadays
June 12, 2025 at 9:05 AM
Pick your track! As always, we're giving you lots of incredible talks to choose from. But don't worry if some that you're interested in overlap - after the conference you get access to all recorded presentations.
#lambdadays
#lambdadays
Day 1 is 🔛! We're finishing first keynote, coffee is flowing and the venue is buzzing with all the tech gossip (a.k.a. networking) 💜
#lambdadays
#lambdadays
June 12, 2025 at 7:59 AM
Day 1 is 🔛! We're finishing first keynote, coffee is flowing and the venue is buzzing with all the tech gossip (a.k.a. networking) 💜
#lambdadays
#lambdadays
Thanks to our amazing volunteers, the venue is all ready for tomorrow! See you soon.
P.S. Don't forget to check the event app (works in the browser too), all the details are in your welcome email.
P.S. Don't forget to check the event app (works in the browser too), all the details are in your welcome email.
June 11, 2025 at 7:29 PM
Thanks to our amazing volunteers, the venue is all ready for tomorrow! See you soon.
P.S. Don't forget to check the event app (works in the browser too), all the details are in your welcome email.
P.S. Don't forget to check the event app (works in the browser too), all the details are in your welcome email.
We’ve already launched the Lambda Days app on SwapCard!
Check out this quick screen recording to see what it looks like.
If you’re registered, you’ll get an invite by email.
See you there (and in the app)! 👋
#LambdaDays #SwapCard
Check out this quick screen recording to see what it looks like.
If you’re registered, you’ll get an invite by email.
See you there (and in the app)! 👋
#LambdaDays #SwapCard
June 5, 2025 at 9:20 AM
We’ve already launched the Lambda Days app on SwapCard!
Check out this quick screen recording to see what it looks like.
If you’re registered, you’ll get an invite by email.
See you there (and in the app)! 👋
#LambdaDays #SwapCard
Check out this quick screen recording to see what it looks like.
If you’re registered, you’ll get an invite by email.
See you there (and in the app)! 👋
#LambdaDays #SwapCard
Shout-out to our amazing partner Women in Technology Poland 💜
They connect, support, and uplift women in IT across Poland - and we’re proud to have them with us at #LambdaDays 2025!
👉 womenintechnology.pl
They connect, support, and uplift women in IT across Poland - and we’re proud to have them with us at #LambdaDays 2025!
👉 womenintechnology.pl
June 4, 2025 at 9:19 AM
Shout-out to our amazing partner Women in Technology Poland 💜
They connect, support, and uplift women in IT across Poland - and we’re proud to have them with us at #LambdaDays 2025!
👉 womenintechnology.pl
They connect, support, and uplift women in IT across Poland - and we’re proud to have them with us at #LambdaDays 2025!
👉 womenintechnology.pl
☕ Java 21 + Vert.x + RxJava = not bad?
Thomas Gebert shares how modern #Java features finally made him stop complaining - and start enjoying concurrency, kinda.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
Thomas Gebert shares how modern #Java features finally made him stop complaining - and start enjoying concurrency, kinda.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
June 3, 2025 at 9:19 AM
☕ Java 21 + Vert.x + RxJava = not bad?
Thomas Gebert shares how modern #Java features finally made him stop complaining - and start enjoying concurrency, kinda.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
Thomas Gebert shares how modern #Java features finally made him stop complaining - and start enjoying concurrency, kinda.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
From global classrooms to real-time games - #FunctionalProgramming scales.
Hear from Merlin Pahic (#Kotlin + #eventsourcing for offline-first apps) and @ghostdogpr.bsky.social (#Scala + millions of players in CookieRun: Kingdom).
🗓 Lambda Days 2025
🌐 www.lambdadays.org
Hear from Merlin Pahic (#Kotlin + #eventsourcing for offline-first apps) and @ghostdogpr.bsky.social (#Scala + millions of players in CookieRun: Kingdom).
🗓 Lambda Days 2025
🌐 www.lambdadays.org
June 2, 2025 at 9:19 AM
From global classrooms to real-time games - #FunctionalProgramming scales.
Hear from Merlin Pahic (#Kotlin + #eventsourcing for offline-first apps) and @ghostdogpr.bsky.social (#Scala + millions of players in CookieRun: Kingdom).
🗓 Lambda Days 2025
🌐 www.lambdadays.org
Hear from Merlin Pahic (#Kotlin + #eventsourcing for offline-first apps) and @ghostdogpr.bsky.social (#Scala + millions of players in CookieRun: Kingdom).
🗓 Lambda Days 2025
🌐 www.lambdadays.org
Code that rewrites itself? 🌀
Dave Kimber presents #Autology, a self-rewriting #Lisp for #metaprogramming on another level. Written in #Clojure, powered by wild ideas.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
Dave Kimber presents #Autology, a self-rewriting #Lisp for #metaprogramming on another level. Written in #Clojure, powered by wild ideas.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
May 30, 2025 at 9:19 AM
Code that rewrites itself? 🌀
Dave Kimber presents #Autology, a self-rewriting #Lisp for #metaprogramming on another level. Written in #Clojure, powered by wild ideas.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
Dave Kimber presents #Autology, a self-rewriting #Lisp for #metaprogramming on another level. Written in #Clojure, powered by wild ideas.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
"If it compiles, it works" - for #infrastructure too?
Łukasz Biały explores how #algebraic laws and #FunctionalProgramming shape modern infra with #Besom & #Yaga.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
Łukasz Biały explores how #algebraic laws and #FunctionalProgramming shape modern infra with #Besom & #Yaga.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
May 29, 2025 at 2:30 PM
"If it compiles, it works" - for #infrastructure too?
Łukasz Biały explores how #algebraic laws and #FunctionalProgramming shape modern infra with #Besom & #Yaga.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
Łukasz Biały explores how #algebraic laws and #FunctionalProgramming shape modern infra with #Besom & #Yaga.
🗓 Lambda Days 2025 · Krakow
🌐 www.lambdadays.org
Drowning in nulls & side effects? Haemin’s talk shows how FP turns chaos into clean, composable code. No fluff, just startup-tested hacks.
⏳ Regular sale ends today — grab your ticket! lambdadays.org
⏳ Regular sale ends today — grab your ticket! lambdadays.org
May 28, 2025 at 9:19 AM
Drowning in nulls & side effects? Haemin’s talk shows how FP turns chaos into clean, composable code. No fluff, just startup-tested hacks.
⏳ Regular sale ends today — grab your ticket! lambdadays.org
⏳ Regular sale ends today — grab your ticket! lambdadays.org
Dynamic, #functional & ready for the real world 💥 @lambduhhh.bsky.social shows how #Clojure + #Datomic handle complex systems with surprising ease. Still doubting #dynamic typing in FP? Think again! 🟣💛
🎥 Hear it from Jordan + grab your ticket: lambdadays.org
🎥 Hear it from Jordan + grab your ticket: lambdadays.org
May 27, 2025 at 2:31 PM
Dynamic, #functional & ready for the real world 💥 @lambduhhh.bsky.social shows how #Clojure + #Datomic handle complex systems with surprising ease. Still doubting #dynamic typing in FP? Think again! 🟣💛
🎥 Hear it from Jordan + grab your ticket: lambdadays.org
🎥 Hear it from Jordan + grab your ticket: lambdadays.org
Profunctors for UI?
Eryk Ciepiela shows how #CategoryTheory concepts can power fully #declarative, composable user interfaces in #PureScript.
📅 12–13 June 2025 in Krakow
🌐 www.lambdadays.org
Eryk Ciepiela shows how #CategoryTheory concepts can power fully #declarative, composable user interfaces in #PureScript.
📅 12–13 June 2025 in Krakow
🌐 www.lambdadays.org
May 27, 2025 at 9:19 AM
Profunctors for UI?
Eryk Ciepiela shows how #CategoryTheory concepts can power fully #declarative, composable user interfaces in #PureScript.
📅 12–13 June 2025 in Krakow
🌐 www.lambdadays.org
Eryk Ciepiela shows how #CategoryTheory concepts can power fully #declarative, composable user interfaces in #PureScript.
📅 12–13 June 2025 in Krakow
🌐 www.lambdadays.org
⏳ Just 2 days left to grab your regular ticket for #LambdaDays 2025! Don’t miss your chance to join amazing talks, meet great people, and level up your FP game.
Get your ticket before prices go up! lambdadays.org 🚀
Get your ticket before prices go up! lambdadays.org 🚀
May 26, 2025 at 2:30 PM
⏳ Just 2 days left to grab your regular ticket for #LambdaDays 2025! Don’t miss your chance to join amazing talks, meet great people, and level up your FP game.
Get your ticket before prices go up! lambdadays.org 🚀
Get your ticket before prices go up! lambdadays.org 🚀
⚠️ Stickers spoiler alert ⚠️
No tech event is complete without cool stickers. Here’s a sneak peek at some you’ll be able to grab at Lambda Days! 🙌
@scalatimes.com @scala-lang.org @erlangsolutions.bsky.social @gleam.run
No tech event is complete without cool stickers. Here’s a sneak peek at some you’ll be able to grab at Lambda Days! 🙌
@scalatimes.com @scala-lang.org @erlangsolutions.bsky.social @gleam.run
May 23, 2025 at 2:29 PM
⚠️ Stickers spoiler alert ⚠️
No tech event is complete without cool stickers. Here’s a sneak peek at some you’ll be able to grab at Lambda Days! 🙌
@scalatimes.com @scala-lang.org @erlangsolutions.bsky.social @gleam.run
No tech event is complete without cool stickers. Here’s a sneak peek at some you’ll be able to grab at Lambda Days! 🙌
@scalatimes.com @scala-lang.org @erlangsolutions.bsky.social @gleam.run
No #LLM s needed! Juan M. Serrano shows how types can guide #CodeGeneration — automatically. From recursion schemes to #Scala 3 #macros, it's logic all the way down.
📅 12–13 June 2025 in Krakow, Poland!
🌐 www.lambdadays.org
📅 12–13 June 2025 in Krakow, Poland!
🌐 www.lambdadays.org
May 23, 2025 at 9:19 AM
No #LLM s needed! Juan M. Serrano shows how types can guide #CodeGeneration — automatically. From recursion schemes to #Scala 3 #macros, it's logic all the way down.
📅 12–13 June 2025 in Krakow, Poland!
🌐 www.lambdadays.org
📅 12–13 June 2025 in Krakow, Poland!
🌐 www.lambdadays.org
🎥 Hear it from the creator of Scala himself!
Martin Odersky is joining Lambda Days in June to share how #Scala’s #type system is evolving to make capability-based #security both safe and ergonomic.
Don't miss his keynote on rethinking access control in modern software systems.
🎟️ www.lambdadays.org
Martin Odersky is joining Lambda Days in June to share how #Scala’s #type system is evolving to make capability-based #security both safe and ergonomic.
Don't miss his keynote on rethinking access control in modern software systems.
🎟️ www.lambdadays.org
May 22, 2025 at 2:32 PM
🎥 Hear it from the creator of Scala himself!
Martin Odersky is joining Lambda Days in June to share how #Scala’s #type system is evolving to make capability-based #security both safe and ergonomic.
Don't miss his keynote on rethinking access control in modern software systems.
🎟️ www.lambdadays.org
Martin Odersky is joining Lambda Days in June to share how #Scala’s #type system is evolving to make capability-based #security both safe and ergonomic.
Don't miss his keynote on rethinking access control in modern software systems.
🎟️ www.lambdadays.org