Arturo Carretero Calvo - Professional Software Developer specializing in iOS, iPadOS, macOS, watchOS and tvOS from Madrid, Spain

Arturo Carretero Calvo

I'm a Senior Apple Software Developer

Software Developer from Madrid, Spain. Expert in software development for the entire Apple ecosystem (iOS, iPadOS, macOS, watchOS, tvOS), working with Swift and Firebase, and creating developer tools like Xcode extensions.

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About Me

I'm a Software Developer based in Madrid, Spain, specializing in creating innovative applications and tools for the entire Apple ecosystem (iOS, iPadOS, macOS, watchOS, tvOS).

Achievements

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

Community

I actively contribute to the Apple development ecosystem through open source projects and technical content creation. Mentor for developers working with Apple platforms.

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.

Technical Experience

Over 10 years developing applications for Apple platforms (iOS, iPadOS, macOS, watchOS, tvOS) with Swift and Objective-C. Specialist in Firebase integration, REST APIs, MVVM, and VIPER architectures.

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 applications for Apple platforms

Firebase - Backend as a service for Apple platform 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 Apple platform applications

Localizapp

App localization

Objective-C - Programming language for Apple platform development

Objective-C

Classic Apple development

RevenueCat - Subscription management and app monetization

RevenueCat

Monetization and subscriptions

Swift - Main programming language for modern Apple platform development

Swift

Modern Apple platform 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 platform development

Xcode

Apple's official IDE

Projects

Applications for Apple platforms, developer tools and plugins I have developed

Commit Critters - A T. rex companion that grows with local Git commits on Stream Deck

Commit Critters

Raise a T. rex on Stream Deck with your local Git commits. Earn growth days and unlock rewards, with no streaks or cloud account.

Git Stream Deck
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Focus Buddy - Miso the cat, a focus companion for Elgato Stream Deck

Focus Buddy

A Pomodoro timer with three cozy companions and four synchronized Stream Deck keys. Local and account-free.

Pomodoro Stream Deck
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FreeLingo - Open source self-hosted language learning platform with AI

FreeLingo

Learn English with personalized AI lessons and voice tutoring. Self-host with local or cloud models.

AI Learning Self-hosted
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GitHub Contributions plugin for Elgato Stream Deck

GitHub Contributions

Your GitHub activity at a glance, with five contribution views and light or dark themes on Stream Deck.

GitHub Stream Deck
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Keychron Launcher Wrapper - Electron desktop utility for Keychron keyboards

Keychron Launcher Wrapper

Configure your Keychron keyboard over USB in a dedicated desktop app, powered by the official launcher.

Electron macOS
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Localizapp for Xcode - Extension for iOS app localization

Localizapp for Xcode

Edit and synchronize localization files directly in Xcode. Make multilingual Apple apps easier to maintain.

Localization Xcode Extension
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MacScan

Scan your Mac for malware with ClamAV, an interactive terminal interface and quarantine management.

ClamAV macOS
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miDNI Verification POC

A proof of concept for scanning and verifying Spain's miDNI QR codes, with an iOS app and Node.js backend.

Node.js SwiftUI
App source Backend source
MuseumAI - AI-powered museum guide application

MuseumAI

Explore museums with an AI guide. Identify artworks and discover their stories on your Apple devices.

AI Guide Apple Platforms
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Music Control - Apple Music controls for Elgato Stream Deck on Mac

Music Control

Control Apple Music on your Mac from Stream Deck, with album artwork, playback, favorites and volume. Free and local.

Apple Music Stream Deck
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OpenClient - Native Apple client for LiteLLM, Ollama and OpenAI-compatible servers

OpenClient

Chat with local or cloud AI models on iPhone, iPad and Mac, with voice support and image generation.

LLM Apple Platforms
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Repo Garden - Pixel plant plugin for local Git repositories on Elgato Stream Deck

Repo Garden

Turn local Git repositories into pixel plants that show changes and conflicts on Stream Deck. Read-only and local.

Git Stream Deck
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ScubaPlan - Dive planning and logging application

ScubaPlan

Plan dives, calculate decompression and keep your dive log together, with dive tables and a nitrox calculator.

Diving Apple Platforms
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Time Ledger - Local time tracking plugin for Elgato Stream Deck

Time Ledger

Track activities with one press on Stream Deck. Review your time, edit sessions and export CSV reports. Local and account-free.

Time Tracking Stream Deck
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Votice - User feedback and management platform for applications

Votice

Collect user feedback, organize suggestions and let your users vote on what your app should build next.

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

Votice SDK

Add feedback boards, suggestions and voting to your iOS app with a native, open-source Swift SDK.

SDK Swift
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More tools, experiments and open source on GitHub .

Contact

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

Specialties: Apple Software Development (iOS, iPadOS, macOS, watchOS, tvOS), Swift, Xcode Extensions, Firebase, API integration

Location: Madrid, Spain (remote work available)

Availability: Open to new opportunities and collaborations

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