About me

Working on a project for the events industry

• refactoring and improving several legacy PHP projects (PHP 5.4 & 8.3), cleaning up old logic, stabilizing existing features and building new functionality
• migrating and unifying old database tables (including full table moves, ID remapping and relation updates)
• refactored and optimized legacy PHP 5 code to modern PHP 8.3 standards, removing deprecated logic, suppressors and warning-prone areas
• working with EV2 (legacy form-builder platform): creating and updating dynamic forms, fixing broken templates
• tech stack: PHP 5.4/8.3, MySQL/MariaDB, internal agnostic framework, REST APIs, Docker/Docker Compose, Linux, macOS, Git, jQuery/JavaScript

Advanced product configurators

Sectional and roller garage doors, roller shutters and shutter curtains, awnings, pleated blinds, windows and doors – for manufacturers with their own shop and for online retailers.

• built product configurators for garage doors, roller shutters, awnings and pleated blinds
• roller shutter and roll-up door manufacturer: production data (JSON) generated from each order replacing manual cutting calculations. The system has been in use for 12 years
• German online gate retailer: configuration to paid order – size-tiered price tables, option surcharges, dependency rules, PDF quote, cart, checkout, payment, customer accounts, admin (Laravel, Vue 3)
• online gate shop: made-to-measure ordering in place of 12 standard sizes – every millimetre became a sellable product
• roller shutter curtain seller: the manufacturer's order form filled in automatically after checkout
• Renovet (building materials): pack counts and price calculated from insulation thickness and lambda value – order processing went from five people to one
• tech stack: PHP 8, Laravel, Symfony, Vue 3, MySQL/PostgreSQL, Docker

New e-commerce platform for the catering industry

• developing a new e-commerce platform and launching the new brand, including backend development (REST API) and preparing the system for multi-store support
• developing unit tests and functional tests (PHPUnit)
• preparing detailed technical documentation
• serving as the Single Point of Contact (SPOC) for system architecture, ensuring consistency and compliance with requirements
• tech stack: PHP 8.2, Symfony 5, Domain-Driven Design (DDD), PostgreSQL, PHPUnit, Docker, Docker Compose, CI/CD, Kafka, Swagger, Composer, Redis, RabbitMQ

Made-to-measure garage door configurator with an online shop

• architecture and implementation: live price calculation and dependency rules driven by the configuration, PDF quote, cart, checkout, payment
• Product Owner role: kick-off and walkthrough sessions with the client, task breakdown and estimation in Jira
• tech stack: Laravel 9, Vue 3, Pinia, TypeScript

PHP Team Leader

• leading a software development team in the Fitme.pl project – virtual gym with streaming video in one application
• business analysis and estimation of new projects, close cooperation with clients and the team
• leading kick-off and walkthrough sessions for the clients
• creation, description and estimation of tasks in Jira
• management of the development team and support (code review)

Full-stack Developer

• creating architecture and leading implementation of a custom transport system for one of the leaders in the Polish electronics sector
• maintenance and development of new functionalities on a custom online shop for Hasta.pl
• tech stack: Yii2, Symfony 3.2 – 6.0, Laravel 5.8, PHP 7.0 – 8.1, HTML5, CSS3, Vue, Vuex, SASS, LESS, WordPress

Development of loyalty programs

• Laravel 5.8 – eloquent, middleware, validation, notifications, pagination, migrations, seeding
• Vue.js – based on Laravel
• Zend Framework – HTML, CSS/SASS, JS

Product configurators integrated with Shopware – rolladenplanet.de

• designed and implemented a fully-functional user panel for company employees, written in PHP, HTML5, CSS3 and based on the jqGrid JavaScript plugin
• created dynamic statistics on the basis of clients' orders
• managed a dedicated server through WHM and CPanel
• integrated an advanced product configurator in eCommerce Shopware
• built configurators for garage doors, roller shutters, awnings and pleated blinds

Development of the web system – kasomat.pl

• developed web application based on CMS WordPress and Zend Framework
• developed presentation layer based on HTML4 and CSS2
• modified website with dynamic content load using ajax and the jQuery library
• extended database for new functionalities

Web development – online shops / web services

• fixed and modified projects based on PHP and MySQL technologies
• developed an online shop based on the OSClass platform
• integrated PayPal Payment Standard with OSClass

Specialisation: Information Systems Security and Reliability