Interflex(link is external) is a German part of the worldwide Allegion plc. network delivering individual security concepts for access control, biometric identification, video surveillance, security control centres and visitor management.

Interflex requested to develop a Mobile Web Application that would allow employees to view their work schedule, swap shifts with other employees, create a vacation and sick leave blocks in a calendar, manage attendance and receive a shift and work-related notifications. The app also had to store the employee’s personal data such as phone numbers, e-mails, etc., run offline and be installable without an App Store. CN Group was expected to design the whole solution and recommend a technology stack.


Technologies: React, PWA, Typescript