Artur Wojnar
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arturwojnar.dev
Artur Wojnar
@arturwojnar.dev
250 followers 1.1K following 10 posts
I'm a software developer with 14 years of experience. I work as a hands-on Solutions Architect and a consultant.
I collaboratively design products with the full client context. Programming is a side effect of that design.

https://arturwojnar.dev/
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arturwojnar.dev
#eventsourcing #domaindrivendesign #softwarearchitecture

www.linkedin.com/posts/artur-...
#eventsourcing #eventsourcing #softwarearchitecture #domaindrivendesign | Artur Wojnar
👉 With #eventsourcing, you create thinner aggregates 👈 - thinner, and verb-oriented. The picture below 👇👀👇 shows the full path from the request (command) to the commit. 1️⃣ The command comes in - ...
www.linkedin.com
September 27, 2025 at 5:07 PM
arturwojnar.dev
I'm back!

Here you have a solid piece of an article: knowhowcode.arturwojnar.dev/articles/out...
Every* system you develop is distributed, and Hermes PostgreSQL supports you in that
Pretending it is not exposes your client’s system to the unpredictability of the world’s reality.
knowhowcode.arturwojnar.dev
March 2, 2025 at 9:04 PM
arturwojnar.dev
Solid is not dead. Check it here: www.linkedin.com/posts/artur-...
December 26, 2024 at 4:41 PM
arturwojnar.dev
Nothing has taught me so much assertiveness in discussions with clients than negotiating with my kid 😅
December 15, 2024 at 6:14 PM
arturwojnar.dev
👉 Be WET between modules, DRY within modules 👈

DRY (Don't Repeat Yourself)
WET (Write Everything Twice)

www.linkedin.com/posts/artur-wojnar-a19349a6_domaindrivendesign-softwaredesign-activity-7273679434891603969-HTIK
December 14, 2024 at 10:42 PM
arturwojnar.dev
Hi. I want to decide on a topic for my next presentation. Would you help me? I prepared a simple poll: www.linkedin.com/posts/artur-...
Artur Wojnar on LinkedIn: #domaindrivendesign #cqrs #eventdrivendesign #eventsourcing…
Folks, I need your help ‼️ I want to plan a topic for my next prelection 😔 For me, it is a chance to confront my reasoning with a broader audience 🎤 , as…
www.linkedin.com
December 12, 2024 at 6:53 PM
arturwojnar.dev
Have you ever wondered what types of coupling are in IT systems?

Check the list: www.linkedin.com/posts/artur-...
Artur Wojnar on LinkedIn: 👉 Types of coupling 👈 ↪️ INFRASTRUCTURE ↩️ ➡️ OS-level. Dependency on…
👉 Types of coupling 👈 ↪️ INFRASTRUCTURE ↩️ ➡️ OS-level. Dependency on sth we assume exists on the OS like a binary (audio codec, headless browser, file…
www.linkedin.com
December 9, 2024 at 10:30 PM
Reposted by Artur Wojnar
ducin.dev
#aDDDvent: day 5 📆🎄

ducin.dev/ddd-your-fro...

Partner in crime: @arturwojnar.dev 💪🌶️

Frontend and backend constitute a value together.

Frontend cannot be treated as a separate Bounded Context.

Applying DDD to Frontend only doesn't make sense.

#DDD #DDDesign #react #angular #typescript
Your Frontend itself is NOT a Bounded Context - Tomasz Ducin - blog
Frontend and backend constitute a value together. They share some data that has the same semantics. Frontend cannot be treated as a separate Bounded Context in a typical app with FE and BE. Hence, app...
ducin.dev
December 5, 2024 at 8:52 AM
arturwojnar.dev
Having an event-based system is one thing. But another thing is how your infrastructure components are configured.

We trust our code because tests pass. We shouldn't. The production environment introduces latency that can break our assumptions.

More www.linkedin.com/posts/artur-...
Artur Wojnar on LinkedIn: 👉 Distributed system: Infrastructure drives your code 👈 Having an…
👉 Distributed system: Infrastructure drives your code 👈 Having an event-based system is one thing. But another thing is how your infrastructure components…
www.linkedin.com
December 4, 2024 at 10:28 PM
arturwojnar.dev
I've been working on an open-source library (hermes.arturwojnar.dev) that implements the Outbox pattern. Initially, I implemented it on MongoDB's change stream, but now I'm implementing it on PostgreSQL's Logical Replication.
See my summary on LinkedIn😀: www.linkedin.com/posts/artur-...
December 2, 2024 at 10:39 AM
arturwojnar.dev
Hi! Let's check out this new app 😄
I'm hoping for interesting thoughts regarding software architecture and software development 🫣
I'll do my best to do the same! 💪💪😉

I'm glad I have you in my network!
November 30, 2024 at 10:33 AM