Engineer · Warsaw

Maciej Tomaszewski

I build websites and online stores, and design the processes and systems behind them.

Get in touch See experience

Now

What I am working on now

Moving from building products to designing the systems and processes that ship them.

Developing towards analysis and design of processes and systems: systems architecture and project management.

B.Eng. thesis in system modelling and architecture design, built in Visual Paradigm (UML).
Own the end-to-end release process at Softman.
Treat AI tooling as an engineering process: Claude Code, MCP, agent skills, context engineering.

Full timeline

Work

Selected work

Websites and stores I have built, with one taken apart in detail.

Case study

2026 · Architecture, front-end, DevOps

MediaVision

Bilingual marketing site for MediaVision, a technology and marketing partner for the pharmaceutical industry. A static-exported Next.js front-end fed by headless WordPress, with a staging/production pipeline that rebuilds on every content change. Built with an AI-assisted engineering process.

Next.js 16
TypeScript
Tailwind 4
GSAP
Headless WordPress (ACF, Polylang, Yoast, Contact Form 7)
GitHub Actions

Front-end

3team

Website for Event Team (3team), a Warsaw-based event agency, built on Next.js with a Strapi headless CMS for content editing.

Next.js
Strapi

Store setup & front-end

Veranord

Online store for a Polish natural essential-oils brand, built on the Shoper platform: theme customisation and content.

Shoper

Front-end

DG Portfolio

Portfolio site for a graphic and UI/UX designer, a single-page React application.

React

Contact

Let us talk

A website, a store, or help untangling a process. Write me an e-mail or a message on LinkedIn and I will get back to you.

Write an e-mail Message on LinkedIn