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Berlin Software Designers

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What we’re about

Welcome to Berlin Software Design — a community for engineers and architects who want to sharpen their software design and architecture skills through practice, discussion, and collaboration.

We focus on learning by doing: software architecture katas, design challenges, system walkthroughs, and peer feedback sessions. Each meetup is a chance to tackle real-world design problems, share approaches, and improve how we think and communicate about architecture.

Whether you're an experienced architect or a developer curious about system design, join us to grow your skills, exchange ideas, and connect with like-minded tech professionals in Berlin.

Upcoming events

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6 seats left
Sun, Oct 26 · 1:00 PM CET
[Software Architecture Kata] Design a vending machine
Rosenthaler 40/41, 10178, Berlin, DE
Join us for a hands-on architecture kata! We’ll start with a simple system design challenge. Each participant will spend 30 minutes designing a solution individually (on paper or whiteboard), then share their approach, key decisions, challenges, and lessons learned.

This is a great way to practice system design, get feedback, and learn from different perspectives in a collaborative, low-pressure environment. All experience levels welcome!

Today’s topic: Design the software for a vending machine — think product selection, payment handling, inventory management, and error recovery. Bring your creativity and architectural thinking!

What We’ll Do:
We’ll explore the problem using a variety of architecture and design diagrams, such as:

Flow Diagram – to visualize the overall process and interactions.

State Diagram – to model machine states and transitions.

Class Diagram – to define key software components and relationships.

Sequence Diagram – to show how objects interact over time.

Deployment Diagram – to illustrate how software components map to hardware.
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Related topics

Software Architecture

Software Craftsmanship

Software Engineering