Technical care for WooCommerce stores, always in person. From the first line of code to on-call cover in peak season.
If the store goes down through my fault and is not back within the SLA - you don't pay for that month.
Each of them comes from situations that keep repeating at the companies who come to me for help - lost time, lost money or a lost website.
One plugin update takes the store down for a whole weekend, because nothing had been tested first.
Architecture before code, PHPUnit / Pest and Playwright / Cypress tests, code review, CI/CD. That is the standard, not a surcharge.
The project is in its fourth month and there are still mockups to approve instead of a working website.
Decisions happen on the spot, because the same person designs and deploys. Every week you get a working demo.
When you ask about the state of the project, no single person knows the answer end to end.
I design, write, deploy and answer the phone. From the first call to production you are guided by one person - me.
A project in full, with numbers and a story: what I found, what I built, what changed. The rest is under NDA.
The old site dragged the brand down: Performance 38/100, a blurry offer, zero measurement. Five weeks later: a dark, cinematic layout with an interactive installation cost calculator that qualifies leads before the form is ever sent. Built on a separate staging site - only the tested version went live.
The site is up, Google sees it, clients find us.Michał Wacławik · Złota-FazaSee case study
Three trades, one conclusion. Quotes in full - no trimming, no polishing.
To be honest - in our trade people promise a lot. Krystian talked little and did more. He quoted it, gave a date, delivered. The site is up, Google sees it, clients find us. If you are looking for a proven partner for your company - I highly recommend him.
Before we started anything, we sat down and established what I needed the website for - what it should do and what matters most to me. Every decision had a concrete reason, nothing by eye. At all times it was clear why we were doing each thing. Recommended.
We work with Krystian on an ongoing basis and it is exactly what we were looking for - changes to the portal go smoothly, communication is concrete, and we do not have to worry about the technical side. Deadlines kept, work done properly. Recommended.
Pick a path or type what is going on - I match the scope to the problem.
The questions I hear most often - no beating around the bush.
The code and every access are yours from day one, on your repository - nothing is locked away with me. I work on a standard, proven stack, so for cover and overflow I have trusted specialists I collaborate with, plus a response time fixed in the maintenance agreement. You never end up blocked.
Zero dependence on one person. The repository, hosting and accesses are on your side from the start, and the stack is standard (WordPress / WooCommerce or TypeScript / Node) - any developer can take it over without archaeology. I do not build castles where only I know the entrance.
No - I am a fullstack developer and I cover the whole modern web: websites, stores, applications, APIs, admin panels and finance modules, including B2B systems under NDA. I match the technology to the problem, not the other way around - WooCommerce or Laravel are frequent client choices, not my limit.
Backend: PHP / Laravel (APIs, queues, permissions, Filament / Nova panels, Livewire / Blade), Node.js, Python. E-commerce: WooCommerce (HPOS, custom checkout, Subscriptions). Frontend: TypeScript, React, Next.js, Vue, Astro, Tailwind. Tests: PHPUnit, Pest, Playwright, Cypress + CI/CD. Databases: PostgreSQL, MySQL, Redis. AI: integrations with language model APIs, RAG. Infra: Docker, Linux, Nginx, Cloudflare, AWS. I deliberately leave only four ecosystems to others: C++, .NET / C#, Java and Go.
Because client code is private - it lands on their repositories, usually under NDA. A public wallet of commits would come at the cost of their confidentiality, and I do not agree to that. Publicly I maintain only my own tools (a WooCommerce plugin, a TypeScript library). Instead of commits I show results with hard numbers (Lighthouse, Speed Index) and share references on a call.
The CodeCollab.pl brand is from 2024, but I have been on production commercially since 2018 - 8 years of projects for clients in Poland and Ireland. My own studio is the next stage of the road, not its beginning.
Most projects run under NDA - that is the B2B standard - so I publish only those with the client’s written consent. References from clients on maintenance are shared on a call. The public case studies carry hard numbers, not generalities: e.g. Złota-Faza - Lighthouse performance from 38 to 100, Speed Index 4.5 s → 0.3 s.
A big one. I have already built backend under real load for B2B systems under NDA, so a large custom build or a B2B panel is my territory. My workshop and automation give me the pace of several people in a fraction of the time, and I answer for every line of code personally - one point of responsibility from the first call to ongoing care.
Describe it in a few sentences - I come back personally with a scope, a concrete price and a date.
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