Łódź, Poland · since 1999

Krzysztof
Balicki

CEO & CTO of Web Systems. Building software since 1999.

I design and run the systems companies rely on every day, today with the Web Systems team and AI agents.

Book a call →

Read the blog

Krzysztof Balicki in the Web Systems office — Web Systems office, Łódź2023

In the industry

since 1999

Running

Web Systems, Łódź

Latest on the blog · AI in practice

Zmiana modelu AI w działającym systemie: jak nie uzależnić firmy 5 min →

Clients include

What I do

How we can work together →

IT strategy and architecture

System audits, technology choices and a roadmap your budget and team can actually deliver.

AI implementation and automation

AI agents, search across company documents and process automation, from prototype to production.

Running projects and teams

I run projects from plan to launch: scope, deadlines, budget and communication with the team.

E-commerce and integrations

WooCommerce stores, B2B platforms, ERP and marketplace integrations, migrations without downtime.

Selected projects

All projects →

Telemedicine · approx. 4-5 months, cutover 08.2026Telemedicine platform: from WooCommerce to a custom application on AWSThe whole platform moved to a HIPAA-ready custom application without losing accounts or search traffic.AWSModSecurityOpenLiteSpeedPHP 8.5PostgreSQLRedisStripe Construction · 06-09.2026Construction cost estimator: from a WordPress plugin to a platform with an API and AIEstimating logic moved out of a plugin into a platform with an API, matching the old version in 30 out of 30 test cases.AIAPI PlatformPostgreSQL 17Symfony 7.4Vue 3 Public sector · approx. 12 months (09.2025-08.2026)AI assistant (RAG) for a large public institutionThe assistant answers from the institution’s documents and links to its sources. Accepted by the client.bge-m3BielikEntra IDn8nPresidioQdrantSymfonyWhisper

From the blog

All posts →

AI in practice Case study Guides CTO diaries

FeaturedAI in practiceZmiana modelu AI w działającym systemie: jak nie uzależnić firmyZmiana modelu AI w działającym systemie: co się psuje, co trzymać we własnym kodzie, jak przetestować przejście i co zapisać w umowie z wykonawcą.30.10.2026 · 5 min

CTO diariesGotowy moduł do sklepu czy projekt dedykowany: jak liczyć zwrotSprawdź, kiedy gotowy moduł do sklepu wystarczy, a kiedy potrzebny jest projekt dedykowany. Zobacz, jak policzyć zwrot na jawnych założeniach.29.10.2026 · 5 min GuidesTesty oprogramowania w czasach AI: czego wymagać od wykonawcyTesty oprogramowania w czasach AI: o co pytać wykonawcę, dlaczego procent pokrycia nie wystarcza i jak zapisać testy w umowie oraz przy odbiorze.27.10.2026 · 5 min GuidesPrzycisk odstąpienia od umowy i Omnibus: koszt czy szansaSprawdź, czego wymaga przycisk odstąpienia od umowy i zasada najniższej ceny z Omnibusa. Dowiedz się, jak wdrożyć oba obowiązki małymi modułami.22.10.2026 · 5 min

Web Systems products

I build them with the Web Systems team and use them every day. Mailcraft, for example, sends this blog’s newsletter.

Mailcraft

E-mail marketing for European companies: automation, dedicated IPs, data kept in the EU.

mailcraft.eu ↗

Botino

An AI voicebot that handles customer calls 24/7.

botino.eu ↗

Tenanto

A platform for managing rentals, units, payments and tenant communication.

tenanto.pl ↗

Tendario

AI that finds and analyses public tenders from 11 Polish portals.

tendario.pl ↗

EpicCRM

A CRM with AI: leads, sales and task automation.

epiccrm.eu ↗

Jalvo

A reverse proxy with IPs in Europe and the US for SEO and diverse backlinks.

jalvo.eu ↗

k4.pl

A store with WordPress/WooCommerce plugins and PrestaShop modules by Web Systems.

k4.pl ↗

Web Systems

The Łódź software house behind all of this. Building for companies since 2006.

web-systems.pl ↗

Testimonials

Krzysztof Balicki has a great approach to clients and was a pleasure to work with at every stage of building our new company website. I have no reservations about the skills of the rest of the Web Systems team either.

Małgorzata Grobelna
inspire.com.pl

We have worked with Web Systems for over a year on maintaining our online store. The cooperation goes very well. We can always count on a quick response from Web Systems specialists and help with the day-to-day running of the store.

Michał Gałaj
holdentalesklep.eu

IT companies are the stuff of legend, and the famous “works on my machine” is part of the canon. Web Systems breaks the mould: they are the first people who make it work on my machine too :) (…) The best IT team I have ever worked with.

Kasia Kostacińska
bambiboo.eu

Translated from Polish.

Have a project or a problem to solve?

Let’s start with a 30-minute video call. No sales pitch. I’ll tell you whether and how I can help.