This diploma thesis is focused on designing and implementing a web solution to support the operation of a warehouse management system as requested by the system provider. The theoretical part of this paper analyzes the already existing approaches towards the problematic parts of web application development, such as the design of architecture and the method used to record the settings and permissions. The final portal is built using mainly Microsoft technologies. The thesis concludes with an evaluation of applicability of this solution from both technical and economical standpoints.