Paweł Potacki in a black shirt, author photo for the About Me page.

I build systems for the people who will actually use them.

It is easy to focus only on code, performance scores or the tools used in a project. These things matter, but they are not the final goal. A website, online store or internal tool should make a specific task easier to complete.

I work with web platforms, Linux servers, performance optimization and Android-related open-source projects. I am most comfortable with problems that require looking at several layers at once: application code, database queries, cache, integrations, server configuration and the way the user actually works with the system.

My background connects web development with electronics, telecommunications and practical system maintenance. This helps me look beyond the visible interface and find the part of the system that really needs attention.

Technology should make work easier, not add more complexity

I do not treat a web platform as a random collection of plugins, themes and external services. A good system should be understandable, maintainable and ready for the changes that appear after launch.

In my work, I look not only at how the website looks, but also at code structure, backend response time, image loading, cron processes, sitemaps, cache, form security, integrations and later maintenance.

Very often, the biggest gain does not come from adding a new feature. It comes from removing the unnecessary layer that slows the whole system down.

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Useful Hardware Should Stay Useful

Part of my work goes below the usual web development layer. I also work with Android tooling, ADB, bootloader workflows, kernel logs and device recovery projects.

I do not like when functional hardware becomes electronic waste only because software support ended or maintenance access was restricted. This is one of the reasons why open-source Android and recovery-related work matters to me.

It is a practical type of engineering: understand the system, find the blocker and keep useful hardware working where it is technically possible.

WordPress

Web Development and E-commerce

WordPress backend work, WooCommerce setups, custom Craft CMS plugins, PrestaShop performance tuning, PHP development and clean frontend implementation.

Linux

Linux and DevOps

Debian server deployments, Nginx and Apache configuration, Varnish cache layers, ISPConfig setups and deployment automation for production websites.

Cloudflare

Performance

Cloudflare CDN configuration, Redis object caching, media optimization, REST API integrations and Core Web Vitals improvements based on real site behavior.

dev.to

Android and the System Layer

ADB tooling, debugging, log analysis, bootloader workflows, Linux kernel work and device recovery.

Neurodiversity and the Way I Work

Neurodiversity affects the way I analyze problems. I can stay with one technical issue for a long time, follow details across logs, code and configuration, and notice things that are easy to miss during a quick review.

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It also makes me sensitive to interface overload. A well-designed system should help users complete a task instead of constantly asking for their attention.

My Video Content

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