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JuanColilla/README.md

Juan Colilla

iOS Engineer @ IATI Travel Insurance

Owner of Dream Foundries


About Me

I’m an iOS Engineer based in Vila-Seca, Catalonia, with a passion for building clean, maintainable apps using modern Swift technologies. Since 2019 I’ve worked across startups and consultancies, gradually moving from junior roles to leading core features in production apps. I’m curious by nature and always eager to explore new ways to apply Swift.


Skills

  • Languages & Paradigms: Swift, SwiftUI, UIKit, Combine, async/await
  • Architectures & Tools: The Composable Architecture (TCA), MVVM, MVC, Xcode
  • Testing & CI: SwiftTest, Xcode Cloud
  • Integrations & SDKs: Twilio VoIP, Sentry, Datadog, MeetingDoctors, Firebase
  • Collaboration: Git, GitHub, code reviews, Agile workflows

Most Recent Professional Experience

iOS Engineer
IATI Travel Insurance (Remote, Barcelona)
July 2024 – Present

iOS Engineer
Napptilus Tech Labs (Remote, Barcelona)
Feb 2023 – June 2024

Associate iOS Engineer
Tymit Ltd. (Remote, London)

Earlier Roles Skipped


Most Relevant Projects

  • Tymit – Multi-brand credit card app
  • IATI – TOP Travel insurance with VoIP and analytics
  • Agendy – Swipe-based contact manager for iPhone that helps you declutter your agenda with a Tinder-like interface
  • Poolendar – iOS digestive health tracker for logging bowel movements and flatulence, designed for IBS/IBD/Crohn's patients with a lighthearted tone and full on-device privacy

Personal

  • Born July 28, 1995
  • Outside development, I enjoy cooking, following space exploration, and exploring the latest in technology and animation (Disney & Pixar).

“Curiosity fuels progress.”

Pinned Loading

  1. WeatherApp WeatherApp Public

    Full TCA implementation of a WeatherApp based on OpenWeatherMap API and with Apple Foundation Models integration. Covered Unit Tests and Snapshot Tests.

    Swift

  2. StoriesConcept StoriesConcept Public

    Development of a concept of stories feature (Instagram like) for a social networking app.

    Swift

  3. xcstrings-autotranslation-skill xcstrings-autotranslation-skill Public

    Skill for AI Agents to efficiently add translations to Apple Platform apps based on Xcode Strings Catalog.

    Python 3

  4. BusRouter BusRouter Public

    SEAT:CODE Skill Test.

    Swift