Consider the image above: what are the main differences when you apply to a big company or to a small company?
Think of a possible job you could take next summer in an English-speaking country, what would it be? What qualifications do you need? And experience? How would you tailor your CV? What would you explain in your cover letter? How would you prepare for an interview? (telephone, skype, face to face)...
I know you are also doing your CV in Spanish and Catalan. If you want to go beyond also in your language, here you have more ideas for a videocurriculum: