- Maintenance and improvements of system responsible for subscriber retention management. - Working for clients such as NFL, Optus, NHL, MXGP, NordiskTechnologies used: PHP 8.0, MySQL, Docker, Github, RabbitMQ, Composer, Jira, Confluence

Created application "BML" from scratch:- Containing hundreds millions of data about Wroclaw's buildings, flats, premises- Allowing to generate 40+ different documents about city flat's sell/rent, ground's expropriation etc.- Migrated 30years old linux databases to SQL and optimized it to work fluently- Often led meetings with a customer to know exactly what he expectsDevelopment of a "CHIP" application:- Containing data about microchipping pets in Wroclaw- Continuous integration with Safe Animals about microchipsTechnologies used: ASP.NET MVC, EF, jQuery, SQL, Digital Signature, VBA, CSS, HTML, Kendo Framework

Created application "EON" from scratch:- Containing data about renting flats by individual people in city- Allowing to Digital Signature of documents- External iframes on www.wroclaw.plMaintenance of some old WebForms application e.g. managingWroclaw's fishing cardsTechnologies used: ASP.NET MVC, WebForms, EF, jQuery, SQL, CSS,HTML, Kendo Framework