AI security in a nutshell
Prompt injection, attacks on agents and MCP, RAG poisoning – deploying AI that survives contact with an attacker (OWASP LLM Top 10).
Senior CMS Developer · Studio
Less technical noise. More shipped systems.
I design and build websites, stores, and tools that solve concrete business problems – not just look good in a demo. I take each project from requirements through launch.
WordPress · WooCommerceAstro · custom sitesB2B · process improvementPython · FastAPICloudflare PagesAI-assisted delivery
7+
Years exp.
24+
Projects
B2B
Focus
Services
What I do
Four areas where I help companies organize sales, content, and day-to-day work on the web.
B2B WooCommerce & wholesale
Wholesale platforms and B2B stores on WooCommerce – client panels with individual pricing, automation of repetitive sales and warehouse operations. I help streamline processes that used to run manually or in Excel.
View B2B pricing →Custom sites & fast services
Fast company sites, content services, and multilingual sites with a comfortable editing panel. I pick the stack per project – sometimes classic WordPress, sometimes a lightweight frontend with a CMS underneath.
View headless pricing →Content operations & SEO
Sites and knowledge bases designed for real SEO and content quality. I help organize research, structure, publishing, and updates so content has intent, not just volume. Add-on module for any package. Pricing depends on the number of pages, research, content structure, and publishing process.
Let's talk – Content & SEO →AI-assisted delivery
AI as process support, not decoration. I automate repetitive tasks in content, admin, and e-commerce – with clear quality rules and human review where it matters. Add-on module for any package. Pricing depends on the scope of automation, integrations, and process control.
Let's talk – AI workflow →Tech stack
What I work with
Technologies chosen for company sites, stores, and services that need to run fast and stay stable.
WordPress
CMS, content backend, and integrations. Years of specialization.
WooCommerce
B2B e-commerce: wholesale, per-customer pricing, order panels.
NEW
Astro
Fast frontends for company sites, blogs, and content services.
NEW
Python
Automation, scripts, integrations, PDF generation.
TypeScript
Typed JS for reliable frontends.
NEW
Supabase
Open-source backend: database, auth, storage.
PHP & MySQL
Solid foundation for WordPress projects.
NEW
Laravel
Web apps and internal panels with a database, roles, and automation.
UI/UX Design
SXO – Search Experience Optimization.
Track record
Community & activity
Industry events, CMS/WordPress community, and projects that build practical experience.
CMSConf co-organizer Co-creating an event for people working with CMSs, WordPress, content, and web technology
2025– Conferences & meetups Repeat WordCamp volunteer, event co-organizer, and active participant in web, CMS, and WordPress communities in Poland and Europe
2019– StackCompass.dev Personal expert blog on technology decisions, CMSs, and site architecture
2026– Third-party integrations Online payments, ERP, couriers, and other systems connected to a store or site
2023– Poznań University of Technology graduate Software Engineering Technologies
2016 0+
Completed projects
0+
Years in the industry
0+
Industry events & meetups
Work
Selected projects
Stores, sites, and tools shipped for real businesses – from vouchers and B2B to content services.
Vouchers · WooCommerce
Zymon Kupony
New voucher sales channel built from scratch: online purchase, payment, automatic PDF, and sync with the main store.
B2B + retail · WooCommerce
Czysta Chata
Professional cleaning supplies wholesale store with different views per client type, unit pricing, Omnibus, GPSR, and B2B rules.
Company site · PL/EN
mjswro.pl
Bilingual wholesale site with a fast frontend and a simple panel for content, forms, and project galleries.
Expert blog · Astro
StackCompass.dev
Content service on technology decisions, with a fast static frontend and an organized article publishing process.
Client testimonials
What clients say
Recommendations from companies I work with long-term in production.
We have worked with JC Web Studio for over a decade. They built our professional website and still improve and update it. Individual approach and full commitment meant every stage went smoothly, and the final result met – and exceeded – our expectations. I recommend them wholeheartedly!
Paweł Malinowski
Malinowski Recycling
Working with Jakub is a pleasure – a true professional. Patient, listens to the client and their vision, offers expert advice, always available for consultation. Our collaboration went smoothly and without problems – I wish everyone a project in such an atmosphere. Highly recommended!
Michał Szymański
Hurtownia Kwiatów Ciętych MJS
Working with Jakub is not only pleasant but also a guarantee of professional approach and full commitment. Every stage went smoothly, and the final result met our expectations. I recommend JC Web Studio without hesitation!
Mariusz Buczkowski
Kwiaciarnia ALMA
Individual approach to our agritourism business made building the site a pleasure. The JC Web Studio professional not only created a professional project but also keeps improving and updating it. Full commitment and professionalism – our expectations were met 100%.
Karolina Szczepańska
Agroturystyka „Pod Bocianem"
About
Jakub Czechowski
For over 7 years I have built websites and online stores for small and medium businesses. I choose tools for the client context – from classic WordPress to modern frontends and CMSs.
I combine development with design and process thinking. Projects should help run the business, not just look good in a demo.
I actively participate in industry events and the CMS/WordPress community. I keep improving how I deliver projects – toward modern frontends, automation, and AI-assisted delivery.
WordPressWooCommerceAstroPythonTypeScriptB2B / WholesaleCMSConfCMS ConferencesUI/UXSXO
Certificates for specific skills
Selected training that shows up in daily work – not a full list, only what I use in projects.
Practical frontend security for web applications
WordPress/WooCommerce hardening, secure forms and checkout, OWASP top 10 in practice.
From model to system: Bielik in RAG architectures
Hands-on workshop with local LLMs – RAG architectures, retrieval over your own content, and offline work without sending data out.
AI data leaks in companies
AI in content and automation workflows without data leak risk – what can go through a model and what never should.
Practical Python – 12 projects
Python for automation: PDF generators, FastAPI, API integrations, and content pipelines.
10xDEVS – development program
Full program: AI-assisted delivery, code quality, architecture, and developer operations in 2026.
Contact
Let's talk about your project
I will help define requirements and scope a quote for your business.
Ready to talk?
Describe your project in the form
The more detail, the more accurate the initial quote. I reply within 24h on business days – no obligation, no hard sell.