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Joan Anselm Cardona SerraJA

Joan Anselm Cardona Serra

Senior iOS developer

€250/day
Barcelona, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Joan Anselm

I am a mobile developer with more than 7 years of experience in the sector.

I have been working as Lead iOS Developer in London for the last 4 years, in startups of different types, from Dating, Social Media and Fashion. My functions as Lead were to lead teams of programmers, define the architectures of the apps, what frameworks should be included, practices and style guides to follow... Apart from also programming, doing code reviews and 1-2-1s with the members of the teams.

3 of the apps that I have developed from scratch have been selected by Apple as App of the day in numerous countries.

I am always in continuous learning, reading and testing the latest trends in programming. I feel comfortable working in different types of architecture: MVC, MVVM and VIPER. I also have experience with Coordinators, ReSwift and RxSwift.

During my years as a developer, I have programmed in both Swift and Objective-C, as well as React on the web and Node.js on the backend.
  • English

    Fluent

  • Catalan

    Native or bilingual

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Clutch
    Clutch
    SPORTS
    October 2022 - February 2024 (1 year and 4 months)
    Copenhagen, Denmark
    First engineer in the AI company for racket sports Clutch. I was in charge of making the app from scratch and making a backend that could support it.
  • Once Dating
    Lead iOS Developer
    ENTERTAINMENT AND LEISURE
    July 2017 - July 2019 (2 years)
    City de Londres, United Kingdom
    During my time at Once, we developed 3 apps: Once (Wans in Spain), Pickable and Once Again.
    Of these, Once and Pickable were selected by Apple as App of the Day.

    All have an MVVM architecture, and are developed in Objective-C and Swift with the exception of Pickable, which is made purely in Swift.

    Pickable has the particularity that all the navigation comes from the backend, which makes it very flexible and allows to show different layouts depending on what the API returns.
    Swift MVVM ReSwift Coordinators
  • CarThrottle
    Lead iOS Developer
    PRESS AND MEDIA
    November 2015 - May 2016 (6 months)
    City de Londres, United Kingdom
    Development from scratch of the CarThrottle app, one of the largest communities of automotive fans in Europe.

    The app reached the rankings of the most downloaded apps in the first weeks of launch, reaching millions of active users.

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Skill set

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