Experienced backend developer, with a long history of large database and microservice projects in banking (10 years, WestLB and Santander), governmental services (7 years, projects: e-Podatki and Twój e-PIT for the Ministry of Finance of Poland ), investment funds (1 year, Skarbiec TFI), and green energy solutions (since 2023, KMD). Weapon of choice: SQL Server and .NET C#.