- Duration – A three-year contract covering system development and support during critical periods, such as the start of the school year.
- Team – Experts from various fields – developers, DevOps, testing teams, analysts, and project managers.
- 2005 – the year the system was launched, continuously developed to this day.

What was the business need?
Ensuring the stability and development of SIO – a system that collects, processes, and shares data about schools, educational institutions, students, and teachers.
What was the challenge?
- New system version for the start of the school year – Work began in April and concluded with an August deployment. The system handles up to 13,000 simultaneous sessions and 40,000 users during the peak period in
- Infrastructure modernization – The system environment consists of 13 Linux production servers and 70 Linux test servers, ensuring system stability and scalability.
- API Development – Development of an API for the mObywatel app (supporting teacher digital IDs). – Creation of an API for ZUS, supporting the “Active Parent” project.
