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Dominik

Ruby dev. Always keen to learn new things.

Location Poland Joined Joined on  github website twitter website

Work

Application architect, Senior Ruby developer,

Hacktoberfest 2026 Completionist
Hacktoberfest 2026 Challenge Completion
Seven Year Club
Six Year Club
Five Year Club
Writing Debut
Four Year Club
Three Year Club
Two Year Club
One Year Club
I asked Gemma for Japanese homework. It wrote about eating a friend.

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

I asked Gemma for Japanese homework. It wrote about eating a friend.

Comments
5 min read

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Forest Radar: planning a walk with Polish forest data and local AI

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

Forest Radar: planning a walk with Polish forest data and local AI

Comments
6 min read
I wanted Claude to delegate to a local model. That became MAF.

I wanted Claude to delegate to a local model. That became MAF.

Comments
5 min read
I had Ruby running on a 2009 iPhone. Then I needed something to run.

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

I had Ruby running on a 2009 iPhone. Then I needed something to run.

Comments 1
4 min read
Reading The Pragmatic Programmer in the age of AI

Reading The Pragmatic Programmer in the age of AI

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5 min read
Rails Integration Testing with Fixtures: A Practical Approach for Complex Data Sets

Rails Integration Testing with Fixtures: A Practical Approach for Complex Data Sets

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Comments 1
2 min read
Memoization in Modern Ruby: How a Shape-Based Approach to Instance Variables Lookup Impacts Performance.

Memoization in Modern Ruby: How a Shape-Based Approach to Instance Variables Lookup Impacts Performance.

Comments
2 min read
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