In construction companies, labor represents between 30% and 40% of the total cost of the work. The leading company in this area in Peru managed the workforce through a manual workflow, with many operational activities, subject to errors, without traceability and without being able to track the process. A paper format was used for the registration and approval of man hours (this record is known as task), multiple verifications and controls were carried out in parallel to complete the process, which ended with the payment of payroll. Given the importance of this process, it was decided to develop an information system that, through an application for mobile devices and a web application, allows the digitization of the registration and approval of man-hours worked on the works. In this way, foremen can record daily tasks on their mobile devices and assign the corresponding cost center; then...