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Ricardo CastellanosRC

Ricardo Castellanos

Flutter, iOS, Android, AI, RAG, Unity

€300/day
6 projects
Madrid, ES
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ricardo

Professional with over 20 years of experience in the IT sector. The last 16 years focused on mobile application development. Great experience in native development for iOS (Objective-C, Swift) and Android (Java, Kotlin). Also great experience with Flutter.

Some of the most notable projects I have worked on:

- Fnac (iOS)
- Entradas.com (iOS, Android)
- Air Europa (iOS)
- eDreams (iOS)
- Opodo (iOS)
- Pepe Jeans (iOS)
- Santillana (iOS, Android, Windows)
- Cepsa (iOS, Android,)
- Drive Smart (iOS, Android)
- Bkool (iOS, Android, Swift, Kotlin, MVVM)
- Cetelem (iOS, Swift, VIPER)
- Bankia (iOS, Swift, MVVM)
- Vesta.works (SaaS, PHP)
- Azbox.io (SaaS, Flutter, Astro, Node.js)
  • Spanish

    Native or bilingual

Can work on-site
Madrid (up to 50km)

Experience

  • Tech Universidad
    Master's Professor in AI
    EDUCATION AND E-LEARNING
    January 2023 - Today (3 years and 5 months)
    Madrid, Spain
    Professor of Master's courses in AI and Machine Learning. Content creation, tests, exams, videos, exercises...
    Machine Learning Python AI Generative AI AWS
  • OWQLO
    Chief Technology Officer
    January 2020 - Today (6 years and 5 months)
    Madrid, Spain
    Definitely another exciting challenge. This is probably the greatest achievement of my working career. We have fought Covid and won. Through hard work and applying everything, we have learned so far. Team management, implementing Scrum, choice of architectures and technologies, recruitment, development...
    Leadership Flutter Swift Kotlin AI
  • MMG
    Mobile Team Leader
    April 2019 - January 2020 (9 months)
    Madrid, Spain
    At MMG I was in charge of leading and managing the technical team, collaborating in the architectural decisions, reviewing and participating with the developers in defining the new functionalities, implementing Scrum as a framework, defining repository policies, and adding a QA team to the development process. I also discovered Machine Learning, since then I have not stopped training, practicing with exciting projects such as discovering exoplanets through Kepler photos.
    Team Leadership Android iOS Swift Kotlin

Reviews

5.0

Out of 6 ratings

F

Francisco

THINKLAB NEXT, SL

Reviewed on 8/19/2020

It has been a real pleasure working with Ricardo. A serious and committed person.
AD

Account deleted

Reviewed on 6/15/2020

Very good treatment and professionalism. I like his way of dealing with clients. Fast and approachable. I will continue to assign him projects as needed.

Recommendations

Borja AriasBA
Verónica GonzálezVG
Borja Arias and 1 other person have recommended Ricardo

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Education

  • Computer Systems Engineering
    UCLM
    2010

Certifications

Skill set

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