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Rubén G.RG

Rubén G.

cyrks.com / Swift Developer

€300/day
Madrid, ES
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Rubén

6 apps published on the Apple App Store.
→ OnStream | Live streaming from Apple Vision Pro to Twitch and YouTube
visionOS · SwiftUI · AVFoundation · VideoToolbox · AudioToolbox · Network.framework · async/await
→ Rastro | Logic and deduction game with daily challenge and +10M unique combinations
SwiftUI · Liquid Glass · StoreKit 2 · Backtracking/CSP · String Catalogs · async/await
→ OnBD2 | Real-time OBD-II diagnostic scanner for iPhone and Apple Watch
SwiftUI · CoreBluetooth · Network (WiFi TCP) · WatchConnectivity · async/await · Native hexadecimal parsing
→ OnShelf | Personal book library
SwiftUI · SwiftData · CloudKit · StoreKit 2 · async/await
→ OnBoard | Professional appointment and agenda management
SwiftUI · SwiftData · CloudKit · StoreKit 2 · async/await · Export JSON/CSV
→ OnLeitner | Spaced repetition study system (Leitner method)
SwiftUI · SwiftData · CloudKit · StoreKit 2 · async/await · Export JSON/PDF

Professional with over 14 years of experience at Apple Inc., leading operations and developing teams in high-demand environments. Currently with six applications published on the App Store under the Cyrks brand, including an app for Apple Vision Pro, all built entirely in Swift 6 and SwiftUI without third-party dependencies. I combine a solid operational foundation with updated technical skills, a focus on quality, and training experience in technical environments.

TECH STACK
Swift 6 · SwiftUI · SwiftData · StoreKit 2 · async/await · strict concurrency · REST APIs · Codable · CloudKit ·
CoreBluetooth · Network · WatchConnectivity · AVFoundation · Vision · VideoToolbox · AudioToolbox · MapKit ·
App Store Connect · TestFlight · Git · Vapor · Leaf
  • Spanish

    Native or bilingual

  • English

    Fluent

Can work on-site
Madrid (up to 20km)

Experience

  • Apple
    Operations Specialist
    TECH
    August 2011 - December 2025 (14 years and 4 months)
    Madrid, Spain
    Responsible for backstage operations in high-volume stores, leading extended teams and ensuring operational excellence under constant pressure.
    • Sustained inventory accuracy guarantee >99% for almost 10 years, mastering corporate systems (SAP, GBI, POSAdmin) and adapting to constant changes in processes and tools.
    • Operational leadership in physical inventories, receiving, returns, and discrepancy resolution, ensuring continuity and efficiency in high-pressure environments.
    • Development and training of teams in critical procedures, strengthening operational resilience against rotations, absences, and demand peaks.
    • Cross-functional collaboration with Technology, Merchandising, IS&T, Support, and Leadership to align objectives, optimize processes, and improve customer experience.
    • Driving data-based improvements through proprietary tools, commercial deviation analysis, and participation in store openings.
    • Active participation in 4 store openings, training and operational deployment (Core and NSO), leading Visual Merchandising initiatives and coordinating overnights with the Visual Manager.
    • Maintenance of exceptional satisfaction levels (NPS 100% for several months) through comprehensive and personalized solutions in products and services.
    • Recognition for high performance with promotion to Full Time contract, being the first Specialist to achieve it at Gran Plaza 2.
    • Strategic transition from Product Zone to Back of House Specialist, assuming leadership in key processes such as Cycle Counts and internal inventories.
    Complexity management Action-oriented Resilience Quick learning Excellence
  • UTE VEA
    IT Team Lead and Application Development
    TECH
    December 2009 - July 2011 (1 year and 7 months)
    Madrid, Spain
    IT Technician
    • Administration and maintenance of office IT infrastructure, managing over 20 workstations and 100+ mobile devices in a production environment.
    • Training staff on corporate tools and updates, along with managing CAD databases and files in production environments.
  • Yelmos Cines
    Research and Development Technician
    ENTERTAINMENT AND LEISURE
    June 2008 - April 2009 (10 months)
    Madrid, Spain
    Research and Development Technician
    • Development, maintenance, and operation of the Cinegames room, integrating over 50 computer systems and participating in the technical construction of rooms at the Islazul Shopping Center.
    • Design and implementation of software solutions for digital signage and ticket printing systems, optimizing operational workflows.

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Education

  • Swift Developer Program 2025
    Apple Coding Academy
    2026
    Swift · SwiftUI · SwiftData · async/await · APIs REST · Codable · Arquitectura Nativa · Xcode · Git · TestFlight · Liquid Glass

Skill set

Categories