P. León
@leonpedro.bsky.social
Products & Services builder - λ - Event Sourcing + DDD - F#, Elixir, Ruby, JS
Reposted by P. León
"F# Advent Calendar in English 2025" is complete and all slots are filled 🎉 #fsharp #fsadvent sergeytihon.com/2025/11/03/f...
F# Advent Calendar in English 2025
🎄 It’s that magical time of year again! 🎅🏻Christmas is twinkling on the horizon, and that means one thing — it’s time for the 12th annual F# Advent in English! It’s incredible to think that our tra…
sergeytihon.com
December 27, 2025 at 9:13 AM
"F# Advent Calendar in English 2025" is complete and all slots are filled 🎉 #fsharp #fsadvent sergeytihon.com/2025/11/03/f...
My post for #FsAdvent 2025 is live 🎄
I write about a challenge implementing Spain’s antifraud law for invoicing software using F# and Event Sourcing with Equinox
www.wearestrings.com/blog/2025-12...
Thanks @sergeytihon.com for organizing this great initiative!
I write about a challenge implementing Spain’s antifraud law for invoicing software using F# and Event Sourcing with Equinox
www.wearestrings.com/blog/2025-12...
Thanks @sergeytihon.com for organizing this great initiative!
Complying with the Law with F# and Event Sourcing | STRÏNGS
www.wearestrings.com
December 24, 2025 at 12:04 AM
My post for #FsAdvent 2025 is live 🎄
I write about a challenge implementing Spain’s antifraud law for invoicing software using F# and Event Sourcing with Equinox
www.wearestrings.com/blog/2025-12...
Thanks @sergeytihon.com for organizing this great initiative!
I write about a challenge implementing Spain’s antifraud law for invoicing software using F# and Event Sourcing with Equinox
www.wearestrings.com/blog/2025-12...
Thanks @sergeytihon.com for organizing this great initiative!
Reposted by P. León
My #fsharp #FsAdvent post for 2025 is up. It's about applying my functional DDD design principles to an unusual non-business domain, which is my hobby of hand weaving! Anyone else weave? I'd love any comments.
fsharpforfunandprofit.com/posts/design...
Thanks as always to @sergeytihon.com
fsharpforfunandprofit.com/posts/design...
Thanks as always to @sergeytihon.com
Designing weaving software
Applying my design principles to an unusual domain
fsharpforfunandprofit.com
December 22, 2025 at 8:57 PM
My #fsharp #FsAdvent post for 2025 is up. It's about applying my functional DDD design principles to an unusual non-business domain, which is my hobby of hand weaving! Anyone else weave? I'd love any comments.
fsharpforfunandprofit.com/posts/design...
Thanks as always to @sergeytihon.com
fsharpforfunandprofit.com/posts/design...
Thanks as always to @sergeytihon.com
Reposted by P. León
Most talks about software architecture that I've watched lately focus on structure—how to decompose a system into bounded contexts, slices, modules, etc.
But structure is only a single aspect of a software architecture amongst many others:
But structure is only a single aspect of a software architecture amongst many others:
Software Architecture is more than Boxes as Arrows
I watch many software architecture talks (on-site and virtually), and I am starting to think that my understanding of software architecture differs from that of most speakers. I see a lot of talking…
www.planetgeek.ch
March 4, 2025 at 4:21 PM
Most talks about software architecture that I've watched lately focus on structure—how to decompose a system into bounded contexts, slices, modules, etc.
But structure is only a single aspect of a software architecture amongst many others:
But structure is only a single aspect of a software architecture amongst many others:
Just read www.planetgeek.ch/2024/09/19/o... by @ursenzler.bsky.social.
Great article about architecture and why each problem and context require different approaches (much better than having a golden hammer). Thanks for sharing! 🙏
Great article about architecture and why each problem and context require different approaches (much better than having a golden hammer). Thanks for sharing! 🙏
Onion, Hexagonal, Clean or Fractal Architecture? All of them, and more!!
Onion, Hexagonal, Clean, or Fractal Architectures aim to organize how we deal with dependencies in our software architectures. But which one should we choose? After distilling the essence of each appr...
www.planetgeek.ch
January 31, 2025 at 1:32 PM
Just read www.planetgeek.ch/2024/09/19/o... by @ursenzler.bsky.social.
Great article about architecture and why each problem and context require different approaches (much better than having a golden hammer). Thanks for sharing! 🙏
Great article about architecture and why each problem and context require different approaches (much better than having a golden hammer). Thanks for sharing! 🙏
Reposted by P. León
It's done! After *checks notes* 6 months of yak shaving, I finally finished Part 3 of my Pragmatic Category Theory series!
In this part, I give three more real-world examples of applying Semigroup while exploring why Associativity truly matters in detail.
chshersh.com/blog/2024-12...
In this part, I give three more real-world examples of applying Semigroup while exploring why Associativity truly matters in detail.
chshersh.com/blog/2024-12...
Pragmatic Category Theory | Part 3: Associativity
Dmitrii Kovanikov's Personas Web Space
chshersh.com
December 20, 2024 at 8:31 AM
It's done! After *checks notes* 6 months of yak shaving, I finally finished Part 3 of my Pragmatic Category Theory series!
In this part, I give three more real-world examples of applying Semigroup while exploring why Associativity truly matters in detail.
chshersh.com/blog/2024-12...
In this part, I give three more real-world examples of applying Semigroup while exploring why Associativity truly matters in detail.
chshersh.com/blog/2024-12...
Really interesting article with useful references to tools and libraries. Thanks for sharing this valuable info!
My F# advent calendar post showing you a complete feature slice through our real-world application:
www.planetgeek.ch/2024/12/13/f...
#fsharp #dotnet
(thanks @sergeytihon.com for organising)
www.planetgeek.ch/2024/12/13/f...
#fsharp #dotnet
(thanks @sergeytihon.com for organising)
Your First day on the team = releasing Your first feature
Welcome to our team! Today is your first day, which means it's the day you'll release your first feature. You'll see everything needed to design, implement, and release a feature in our system. We'll ...
www.planetgeek.ch
December 14, 2024 at 8:26 AM
Really interesting article with useful references to tools and libraries. Thanks for sharing this valuable info!