# Przemek Mroczek

- **Website:** <https://mroczek.dev>
- **Primary alias:** `mroczek.dev`

## Description

Przemek Mroczek is a senior backend engineer whose work spans Ruby on Rails, AI integration, and system architecture. With more than 13 years of experience building and maintaining production systems, he brings a practical engineering perspective shaped by roles at Bamboo Health, PayPal/Braintree, Netguru, Fresha, and Visuality. His current work includes building AI-powered tools for prediction markets, while he is also completing an MSc in AI.

Through his website, Mroczek shares articles, projects, and details about the tools and technologies he uses. His writing explores distributed systems, self-hosting, software architecture, and the craft of building reliable software. Recent articles examine Rails’ place in modern development, coding agents, token compression, and codebase design for AI-assisted work. He is particularly interested in system engineering, early-stage product development, large language models, and self-hosted infrastructure.

The site offers readers an informed, experience-led view of backend development and emerging AI practices, alongside a record of his professional work and ongoing technical explorations.

## Industries

- 🖥 Computers Electronics and Technology
- 🖥 Artificial Intelligence and Machine Learning _(under Computers Electronics and Technology)_

## Links

- [twitter](https://twitter.com/mroczekdev)
- [youtube](https://youtube.com/channel/UCnRUyfxYgkkkB-GCuny8z-A)

## Logos & icons

- icon _(primary)_ — JPEG — [download](https://cdn.brandfetch.io/idXpki_ItS/w/326/h/326/theme/dark/icon.jpeg?c=1bxid64Mup7aczewSAYMX&t=1790497775034)

## Colors

| Name | Hex | Theme |
| --- | --- | --- |
| Old Brick | #85221d | accent |
| Deep Koamaru | #172087 | dark |
| Tacha | #d5ad63 | light |

## Fonts

- ui-sans-serif — asset _(custom)_
- ui-sans-serif — asset _(custom)_

## Imagery

- banner _(primary)_ — JPEG — [download](https://cdn.brandfetch.io/idXpki_ItS/w/1500/h/500/idI2i5bbDi.jpeg?c=1bxid64Mup7aczewSAYMX&t=1790497774841)

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_Source: <https://brandfetch.com/mroczek.dev>_
_See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._