01 / Developer profile

Full-stack developer

Fullstack developer with commercial background in PHP (Symfony), Vue.js, and TypeScript. Alongside web systems and backend modernization, I build mobile applications published on Google Play (React Native & Expo) and fast desktop tools (Tauri).

3+

commercial projects

7+

open-source / lab

E2E

features from idea to release

Full-stack

backend + frontend + integrations

Work

Selected Projects

Commercial client work, open-source tools, and engineering experiments.

Commercial Case Studies

NDA
Private PHP / Symfony

Legacy Backend Modernization

Comprehensive modernization of a critical business application. Safely upgraded aging core technologies (Symfony and PHP) across the entire platform, resulting in a +30% performance improvement and restoring active development capabilities.

PHPSymfonyMySQLVue.js
Private Astro / PayloadCMS

Monolith to Headless CMS Transformation

Transformed an outdated, slow website into a lightning-fast modern platform. Migrated 250+ articles to a new content management system, allowing the marketing team to publish independently without needing a developer.

AstroPayloadCMSVue.jsTypeScript
Private PHP / JavaScript

Polish Tax & Payroll Calculator

A comprehensive tax calculation engine covering all major Polish employment types: employment contracts, civil law agreements, B2B, and vacation equivalents. Deceptively simple on the surface — deeply complex under the hood.

PHPJavaScript

Open Source & Lab

7 items

RepMax

A production-ready mobile fitness tracker published on Google Play. Built with React Native, Expo, and TypeScript, featuring Google Play in-app subscriptions, AdMob monetization, and local-first offline state.

React NativeExpoTypeScriptZustandRevenueCat

GitHammy

A lightweight, high-performance desktop Git client built with Tauri and Svelte. Designed as a fast native alternative to heavy Electron-based GUIs.

TauriRustSvelteTypeScript
Soon

Kanbanomaly

An offline-first desktop and web Kanban board built with Tauri and Svelte. Features local state persistence and real-time cloud sync powered by Supabase.

TauriSvelteSupabasePostgreSQLTailwindCSS

GeekBaza

A modern tech publishing platform and blog built with Astro and a Git-based headless CMS. Scored 95–100 across all Google Lighthouse metrics with minimal client-side JavaScript.

AstroTypeScriptTailwindCSSPagesCMS

toast-mi1y

A lightweight and simple toast notification library for Svelte 5. It has zero external dependencies in the core code, keeping your application fast and lean.

SvelteTypeScriptnpm

Pokemon API

A REST API combining external PokeAPI data with a local MySQL database. Features custom Pokemon creation, a ban registry, Redis caching, and middleware-based authentication — built with Laravel 11 and Docker (Laravel Sail).

LaravelPHPMySQLRedisDocker
GitHub Soon

RoomBooker

A hotel room reservation management system built with ASP.NET Core MVC, Entity Framework Core, PostgreSQL, and full relational CRUD for customers, rooms, and bookings.

ASP.NET CoreC#.NETPostgreSQLEntity Framework
GitHub Soon

Technologies

Technical Background

Tools I use to build fast and reliable software.

JA

JavaScript/TypeScript

Work

PH

PHP

Work

SY

Symfony

Work

VU

Vue.js

Work

RE

React Native

Projects

TA

Tauri

Projects

Languages & Frameworks

JavaScript/TypeScriptPHPSymfonyVue.jsReact NativeTauriExpoSvelte/SvelteKitAstroTailwindCSSRustReactNext.jsLaravelC#/.NET

Databases & Cloud

SQLMySQLPostgreSQLSupabaseRedisMongoDB

Tools & Systems

GitLinuxDockerCloudflareCI/CDPostmanRector

Contact

Got a project in mind?

I am open to project work and product team opportunities - from modernizing existing systems to building new applications from scratch. Describe what you need and I'll get back to you within 24 hours with my thoughts.