About

Computer Science student and developer · A Coruña, Spain

Portrait of Daniel Callero

Bio

I'm Daniel Callero Costales, Dani for short. I'm studying Computer Science at the Universidade da Coruña and mostly write web and mobile apps.

I volunteer at GPUL, a local open-source community. For HackUDC 2026 I worked on the staff app, the accreditation passes, the website and the social media. I'm co-directing HackUDC 2027.

Interests

  • Web and mobile development
  • Apple platforms and iOS tooling
  • Real-time, full-stack systems
  • Open source and community
  • Interface and graphic design
  • Event organisation

Elsewhere