10+
years with WordPress
From simple websites to complex platforms and custom WordPress development.
WORDPRESS / WEB DEVELOPMENT
I build WordPress sites that work well long after launch.
Custom WordPress development, accessibility, performance and long-term development. I help companies, institutions and agencies build sites that remain fast, maintainable and easy to develop.
A new build, a redesign or a difficult issue no one wants to touch.
You don’t need another website. You need something that will still be easy to develop one, two or five years from now.
That means thinking beyond launch — about content editing, maintenance, future development and the people who will work with the site every day.
Custom
Custom WordPress
Custom themes, Gutenberg blocks, ACF, post types, integrations and project-specific solutions.
AA
WCAG & accessibility
Accessibility treated as part of the product, not as a checklist added before an audit.
∞
Built for the long term
Code that can be maintained, extended and handed over without locking the project to one developer.
HOW I CAN HELP
I’m most useful when WordPress stops being a simple website.
When content gets complex, multiple languages enter the picture, accessibility matters, performance starts slipping or the code has already passed through several hands — you need development, not another plugin.
01 / CUSTOM
Custom WordPress
WordPress shaped around the project — not a project forced into an off-the-shelf theme.
Custom themes, Gutenberg blocks, ACF, custom post types, integrations and solutions built around the way the site actually needs to work.
02 / WCAG
Accessibility & performance
A site should be accessible and fast in real use, not only in an audit report.
I diagnose and fix accessibility issues, Core Web Vitals, frontend bottlenecks and WordPress performance problems.
03 / RESCUE
Existing WordPress sites
Not every project needs to be rebuilt from scratch.
I take over existing sites, fix bugs, clean up code, solve update-related problems and develop projects left behind by previous developers.
04 / AGENCIES
White-label development for agencies
Senior WordPress support when your team needs extra technical capacity.
I can step into a project to handle complex development, code reviews, integrations or the parts your internal team simply does not have time for.
SELECTED WORK
Projects where good design is only the beginning.
Website development & maintenance
ICM UW
Ongoing development of the main website of the Interdisciplinary Centre for Mathematical and Computational Modelling at the University of Warsaw. The work covers WordPress development, multilingual content, accessibility, performance and tools supporting a large publishing workflow.
- WordPress
- Gutenberg
- PHP
- JavaScript
- ACF
- Bootstrap
- GitHub
- Figma
EDUCATIONAL WEBSITE
Computational Engineering - ICM UW Master’s programme
An informational website for the Computational Engineering Master's programme at ICM UW. The website combines information about the programme, specialisations, teaching staff and admissions.
- WordPress
- Gutenberg
- PHP
- GitHub
COURSE PLATFORM
OMICS Data Science - ICM UW postgraduate programme
A WordPress website presenting the OMICS Data Science postgraduate programme at ICM UW. The project brings together information about the curriculum, teaching staff, admissions and course organisation in one consistent website.
- WordPress
- Blocksy
- PHP
DEVELOPMENT + UI/UX REFINEMENT
Social Science Data Consortium
A website for the Polish Social Science Data Consortium presenting its mission, member institutions, the Social Data Repository and activities connected with national and European social science data infrastructure.
- WordPress
- Sage
- PHP
- ACF
- Tailwind CSS
- GitHub
- Figma
Does this sound familiar?
The frontend usually isn’t the hardest part.
The real problems tend to appear underneath: content, integrations, accessibility, multilingual logic, performance and decisions made years ago.
01
“It works in Polish. Not in English.”
Multilingual WordPress can quickly complicate routing, search, menus, custom post types and plugin data.
I help untangle it.
02
“Editors need to be able to do this themselves.”
A CMS should help editors work independently instead of requiring a developer for every content change.
I build Gutenberg and ACF interfaces that people can actually use.
03
“The audit says WCAG. What now?”
An accessibility report alone does not fix the website.
I turn accessibility requirements into concrete changes in code, components and content workflows.
04
“We added caching. It’s still slow.”
Because caching is not always the problem.
I look at the frontend, queries, plugins, PHP, database and architecture instead of guessing.
ABOUT
I’m Marek. I’ve been solving WordPress problems for over 10 years.
I’m at my best when the project is no longer simple.
I work on institutional websites and commercial projects. I build custom solutions, develop existing systems and step in when WordPress needs a more engineering-focused approach.
You talk to me.
I write the code.
I take responsibility for the solution.
HOW I WORK
Less ceremony. More responsibility for the outcome.
I keep the process as simple as the project allows. Understand the problem, make sensible decisions and leave the project in a better state than I found it.
01
DISCOVERY
I understand the problem
I don’t start with technology. First I work out what needs to improve, who will use it and where the actual problem lies.
02
DELIVERY
I make sensible decisions
I choose the solution to fit the problem, not the other way around. No technology for technology’s sake, unnecessary dependencies or shortcuts that make future development harder.
03
LONG-TERM DEVELOPMENT
The project keeps moving
A project should remain easy to develop after launch. I leave behind readable code and solutions that can be maintained, handed over and extended without starting again from scratch.
Launch ≠ the end of the project. It’s when its real life begins.
HAVE A PROJECT?
Tell me what you need.
Have a new project, an existing site that needs work or a problem nobody wants to touch? Send me a few details. I’ll tell you whether I can help and where I’d start.
