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Vincenzo S.VS

Vincenzo S.

Senior / Lead iOS Developer

€550/day
Palermo, IT
8-15 years

Average response time: 1 hour

About Vincenzo

Senior iOS Engineer with 13+ years shipping production apps for enterprise and consumer brands across Italy and Europe.

Lead engineer on Eolo (consumer ISP), Angelini Consumer's iMamma (3M+ users, 4.7★), and contributor on Italgas field operations.


I work where it matters most: large codebases that need to evolve without breaking, teams that need clear architecture decisions, and apps that need to ship reliably to users who depend on them.

My toolbox is Swift, SwiftUI, Combine, Swift Concurrency, MVVM/Clean Architecture, modular SPM, and CI/CD pipelines I've set up from scratch (Fastlane, GitLab CI.


What clients hire me for: SwiftUI/UIKit migrations on legacy codebases, modularizing monolith iOS apps, setting up release pipelines that cut deploy time from hours to minutes and stepping into projects where senior judgment is the bottleneck.


I'm available part-time (~10-15 hours/week) for project-based engagements.

Founder of Swift Italy User Group (2016-2023, 600+ members).

Italian native, English professional.
Based in Palermo, fully remote.
  • Italian

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Mashfrog Group,
    Senior / Lead iOS Developer
    December 2023 - Today (2 years and 6 months)
    Palermo, Italy
    Lead iOS engineer on Eolo (consumer ISP / connectivity); contributor on Italgas (field operations app for technicians and meter reading). Migrated 15+ legacy UIKit modules to SwiftUI + Combine, reducing average feature delivery time by approximately 30% and crash rate by approximately 25%. Introduced Swift Concurrency (async/await) across 8+ feature areas, replacing legacy callback-based networking. Set up CI/CD pipelines using Fastlane and GitLab CI, cutting release time from approximately 3 hours to under 30 minutes. Mentor 2 mid-level iOS engineers and lead architecture reviews; integrated AI coding agents into the GitLab workflow.
    SwiftUI UIKit Swift Combine
  • Angelini Consumer / iMamma,
    Senior / Lead iOS Developer
    December 2020 - December 2023 (3 years)
    Palermo, PA, Italy
    Lead iOS engineer on iMamma post-acquisition, maintaining the established 3M+ user base and 4.7-star App Store rating throughout 3 years of continuous evolution. Architected modular MVVM-C codebase split into 12+ Swift Packages, reducing incremental build time by approximately 40%. Shipped 15+ major releases (pregnancy tracker, fertility calendar, baby growth) co-designed with international medical specialists. Integrated Firebase Analytics, Crashlytics, and Remote Config; raised crash-free user rate from approximately 97% to 99.5%.
    iOS SwiftUI RealmDB CoreData
  • OB Science S.r.l.,
    Senior iOS Developer
    March 2020 - November 2020 (8 months)
    Palermo, PA, Italy
    Senior iOS engineer on iMamma (1M+ downloads at the time), leading feature expansion and codebase improvements on the existing maternity app. Continued on the same product after Angelini Consumer acquired iMamma and its team in late 2020.
    iOS SwiftUI Realm CoreData

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Education

  • BSc Computer Science
    Università degli Studi di Palermo
    2013
    BSc Computer Science

Skill set

Categories