Arturo Carretero Calvo - Professional iOS Developer and Apple Developer from Madrid, Spain

Arturo Carretero Calvo

I'm

Freelance developer specialized in Apple devices from Madrid, Spain. Expert in iOS application development with Swift, Firebase integration, and creating developer tools like Xcode extensions.

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About Me

I'm a freelance iOS developer based in Madrid, Spain, specialized in creating innovative mobile applications and tools that improve other developers' productivity.

Technical Experience

Over 10 years developing iOS applications with Swift and Objective-C. Specialist in Firebase integration, REST APIs and MVVM and VIPER architectures.

Innovation

Creator of tools like Localizapp for Xcode and Votice SDK. I'm passionate about solving complex problems and creating solutions that positively impact the developer community.

Community

I actively contribute to the iOS development ecosystem through open source projects, YouTube tutorials and Udemy courses. Mentor for new iOS developers.

Achievements

Applications published on App Store with thousands of downloads. Creator of popular Xcode extensions and Stream Deck plugins used by developers worldwide.

My Development Philosophy

"I believe in the power of clean code, intuitive interfaces and solutions that truly solve problems. Each project is an opportunity to create something that improves people's lives and makes other developers' work easier."

Technologies and Tools

Technology stack I use daily to develop high-quality iOS applications

Firebase - Backend as a service for iOS applications

Firebase

Backend and real-time database

Git - Version control for collaborative development

Git

Version control and collaboration

GitHub - Repositories and source code management

GitHub

Repositories and CI/CD

Localizapp - Localization tool for iOS applications

Localizapp

App localization

Objective-C - Programming language for legacy iOS development

Objective-C

Classic iOS development

RevenueCat - Subscription management and app monetization

RevenueCat

Monetization and subscriptions

Swift - Main programming language for modern iOS development

Swift

Modern iOS development

Votice - User feedback and engagement platform

Votice

User feedback and engagement

VS Code - Code editor for cross-platform development

VS Code

Cross-platform editor

Xcode - Apple's official IDE for iOS development

Xcode

Apple's official IDE

Featured Projects

iOS applications, developer tools and plugins I have developed

GitHub Contributions plugin for Elgato Stream Deck

GitHub Contributions

Elgato Stream Deck plugin that displays GitHub contributions in real time. Perfect for streamers and developers who want to show their development activity during live streams.

Stream Deck GitHub API JavaScript
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Localizapp for Xcode - Extension for iOS app localization

Localizapp for Xcode

Xcode extension that simplifies localization management in iOS applications. Allows editing and synchronizing Localizable.strings files directly from the IDE, saving time in the internationalization process.

Xcode Extension Localization Swift
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MuseumAI - AI-powered museum guide application

MuseumAI

Innovative iOS application that uses artificial intelligence to create interactive museum experiences. Users can get detailed information about artworks through visual recognition and natural language processing.

iOS App AI/ML Computer Vision
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ScubaPlan - Dive planning and logging application

ScubaPlan

Complete application for divers that allows planning dives, keeping detailed dive logs and calculating decompression. Includes dive tables, nitrox calculator and personal dive logbook.

iOS App Core Data SwiftUI
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Votice - User feedback and management platform for applications

Votice

Complete SaaS platform to collect, manage and act on user feedback from mobile applications. Includes suggestion boards, voting system and sentiment analysis to improve user experience.

SaaS Platform User Feedback Analytics
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Votice SDK - Native development kit to integrate user feedback

Votice SDK

Native Swift SDK that allows integrating user feedback systems, suggestion boards and voting mechanisms in iOS applications with a clean interface and simple setup. Open source on GitHub.

Swift SDK Open Source SwiftUI
View Project

Contact

Do you have a project in mind? Need to develop an iOS application or a developer tool?
I'm always interested in new opportunities and collaborations.

Specialties: iOS Development, Swift, Xcode Extensions, Firebase, API integration

Location: Madrid, Spain (remote work available)

Availability: Freelance projects and consultancies