Arelance is a recruiter for the IT business. Most job offers are published on behalf of client companies.
In terms of recruitment areas, Arelance is primarily hiring new employees in the categories Software Development, Web Development, and SAP Software. They recruit for offices in Madrid, Barcelona, Málaga and 7 other locations. See below for a list of 114 job offers at Arelance, for example "Frontend Developer,United Kingdom" and "Consultores/as Magento".
Lastly, here's where to find the company's homepage to give you a better idea of their products and services: Arelance's website.