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Karim-Pierre MaalejKM

Karim-Pierre Maalej

Lead iOS Developer with +15 years of experience

€650/day
1 project
Lille, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Karim-Pierre

⭐️⭐️⭐️⭐️⭐️ What my clients say about me (LinkedIn recommendations):

"Very motivated and involved, Karim-Pierre elevated his colleagues both technically and in terms of organization. He also possesses an impressive ability to implementsimple and robust solutionsto complex problems with remarkable speed." — P. Converset, iOS Manager

"Karim-Pierre stands out for their **exceptional autonomy**, consistent initiative, and benevolence towards colleagues. His commitment and ability to take the lead have significantly contributed to our shared success." — A. Guzman, Product Owner

"Working with Karim-Pierre is a daily pleasure. Always good-natured, full of ideas, and proactive,he smooths over difficultiesthrough communication and his great work ethic. When we self-censor due to fear of development cost or complexity, a discussion with Karim-Pierre is enough to find THE solution that provides the right compromise, often exceeding our expectations! Finally, Karim-Pierre is very sensitive to user experience and interface design issues." — A. Phinith, UX designer


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An iOS developer since the iPhone's release in 2007, I enjoy projects that allow me to express the full range of my skills. Over my fifteen years of experience, I have worked with clients of all sizes and types, from startups to multinationals (including  Apple), as well as public institutions and communication agencies.

My clients appreciate my understanding of their expectations, my initiative, my versatility, and my deep expertise fueled by over twenty years of passion.

I deliver quality work and listen to your needs.

My rate is progressive based on duration. The displayed rate is for long-term assignments.
  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Conversational

  • Spanish

    Conversational

  • Italian

    Conversational

Remote only
Primarily works remotely

Experience

  • CARREFOUR
    Senior iOS developer
    AGRICULTURE
    December 2024 - Today (1 year and 6 months)
    Design, development, and maintenance of Carrefour's e-commerce app, which centralizes Drive or Delivery orders and in-store assistance in a single app.

    Ambitious and complex project with numerous business constraints and a significant number of developers, requiring rigorous architecture and organization, and experienced developers.
    Swift SwiftUI Swift Concurrency Accessibility Git
  • France Télévisions
    Lead iOS developer
    TECH
    October 2020 - January 2024 (3 years and 3 months)
    Design, development, and maintenance of the France Info mobile app. I joined the team at the beginning of a major app redesign. We completely rewrote the existing mobile application, launched eight years prior.

    I then took the lead on several structuring topics, such as app modularization, SwiftUI adoption, and the implementation of a Design System. A very motivating project at the intersection of TV, radio, and web, carried out in a small agile team using Scrum methodology.
    Swift SwiftUI Swift Concurrency UIKit Accessibility Design System Git Cocoa Xcode
  • Simplon.co
    Lead Trainer Apple Foundation Program
    EDUCATION AND E-LEARNING
    October 2019 - January 2020 (3 months)
    Montreuil, France
    Intensive one-month training for complete beginners. All aspects of mobile development are covered: design, ergonomics, Swift basics, and iOS SDK usage (including the brand new SwiftUI, for which we were trained by Apple).

    Learners start with an idea and end up with a functional prototype demonstrated to a jury including an Apple representative.

    I was also responsible for producing new educational content for teaching SwiftUI.
    Swift swiftUI Training Xcode iOS User Experience Design pedagogy

Reviews

5.0

Out of 1 rating

A

Alix

Marlaguette

Reviewed on 1/9/2025

What a pleasure to work with Karim-Pierre! His professionalism, advice, enthusiasm, technical acumen, and attentiveness were all dedicated to our needs, which he took the time to fully understand and analyze.

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Education

  • General Engineer's Degree
    Telecom Physique Strasbourg
    2003

Certifications

  •  Apple Certified Trainer
    Apple
    2020

Skill set

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