Hi, I'm Julien ๐Ÿ‘‹ Passionate about mobile development since the beginning of my career, I started as an Android engineer, coding in Java and then Kotlin. After working for startups and SMEs, I gained solid experience in creating native mobile applications. Over time, I shifted towards cross-platform development: thanks to my mastery of Flutter & Dart, I was able to apply my skills to faster and more flexible mobile development (iOS & Android). To go even further, I adopted FlutterFlow, which now allows me to offer my clients a dual expertise โ€” the robustness of native development combined with the agility of low-code. ๐ŸŽฏ What I bring to the table: Comprehensive technical expertise: Native Android, Flutter, FlutterFlow, Firebase/Supabase backend, API/AI integration, payments, monetization, etc. A product-business perspective: I support startups and SMEs from the initial idea to deployment, structuring a scalable and market-ready product. Agile execution: Functional MVP in a few weeks, rapid iterations, maintenance & evolution. A genuine UX/UI sensibility: I work from your mockups, or I co-design them with you, for a professional and consistent result. If you're looking for a developer who can combine scalability, speed of implementation, and quality, I'm ready to help you. ๐Ÿ‘‰ Let's schedule a call to discuss your project and see how we can bring it to life.โ€ฆ

Julien.J

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Hi, I'm Julien ๐Ÿ‘‹ Passionate about mobile development since the beginning of my career, I started as an Android engineer, coding in Java and then Kotlin. After working for startups and SMEs, I gained solid experience in creating native mobile applications. Over time, I shifted towards cross-platform development: thanks to my mastery of Flutter & Dart, I was able to apply my skills to faster and more flexible mobile development (iOS & Android). To go even further, I adopted FlutterFlow, which now allows me to offer my clients a dual expertise โ€” the robustness of native development combined with the agility of low-code. ๐ŸŽฏ What I bring to the table: Comprehensive technical expertise: Native Android, Flutter, FlutterFlow, Firebase/Supabase backend, API/AI integration, payments, monetization, etc. A product-business perspective: I support startups and SMEs from the initial idea to deployment, structuring a scalable and market-ready product. Agile execution: Functional MVP in a few weeks, rapid iterations, maintenance & evolution. A genuine UX/UI sensibility: I work from your mockups, or I co-design them with you, for a professional and consistent result. If you're looking for a developer who can combine scalability, speed of implementation, and quality, I'm ready to help you. ๐Ÿ‘‰ Let's schedule a call to discuss your project and see how we can bring it to life.โ€ฆ

Available to hire

Hi, Iโ€™m Julien ๐Ÿ‘‹

Passionate about mobile development since the beginning of my career, I started as an Android engineer, coding in Java and then Kotlin. After working for startups and SMEs, I gained solid experience in creating native mobile applications.

Over time, I shifted towards cross-platform development: thanks to my mastery of Flutter & Dart, I was able to apply my skills to faster and more flexible mobile development (iOS & Android). To go even further, I adopted FlutterFlow, which now allows me to offer my clients a dual expertise โ€” the robustness of native development combined with the agility of low-code.

๐ŸŽฏ What I bring to the table:

Comprehensive technical expertise: Native Android, Flutter, FlutterFlow, Firebase/Supabase backend, API/AI integration, payments, monetization, etc.

A product-business perspective: I support startups and SMEs from the initial idea to deployment, structuring a scalable and market-ready product.

Agile execution: Functional MVP in a few weeks, rapid iterations, maintenance & evolution.

A genuine UX/UI sensibility: I work from your mockups, or I co-design them with you, for a professional and consistent result.

If youโ€™re looking for a developer who can combine scalability, speed of implementation, and quality, Iโ€™m ready to help you.

๐Ÿ‘‰ Letโ€™s schedule a call to discuss your project and see how we can bring it to life.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

French
Fluent
English
Advanced

Work Experience

Android Developer at Kidizz
October 1, 2020 - February 1, 2022
Developed and maintained Android applications using Java and Kotlin for Kidizz. Implemented new features, fixed bugs, and optimized performance to ensure a smooth user experience on multiple devices. Collaborated with product, design, and QA teams to translate requirements into reliable mobile apps. Applied best practices in code quality, testing, and release processes; contributed to architecture discussions and code reviews; maintained documentation and assisted with CI/CD tasks.
Android Developer at EFIPEEK
March 1, 2022 - August 1, 2022
Developed Android applications from scratch, following MVVM and Clean Architecture principles. Implemented features using Kotlin/Java; integrated Firebase services and Jetpack components; contributed to cross-platform work with Dart and Flutter where appropriate, and performed ongoing maintenance to improve performance and reliability of apps for Android and iOS.
Android Developer at Linkizz (Startup)
August 1, 2022 - November 1, 2022
In a startup setting, led project management tasks, contributed to initial design and ongoing maintenance of the Android app. Worked with cross-functional team to define requirements, implement SDK features, and optimize performance; ensured stability and timely delivery.
Mobile Developer at Savecode
January 1, 2023 - Present
Mobile Developer at Savecode focusing on Android applications in Sport Technology and Finance sectors; responsible for app development, SDK integration, and ongoing maintenance; collaborated with teams to improve performance and user experience.
Mobile Developer at Kidizz
October 1, 2020 - February 28, 2022
Daily development and maintenance; Java/Kotlin.
Freelance Mobile Developer at Freelance
December 1, 2022 - February 28, 2023
Mobile application development; implement new features (App & SDK); UI improvements; performance optimizations; maintenance and support of Android applications (TMA- TME).

Education

Level VI Diploma - Bachelor's +3/4 at CEGEP Alma
January 1, 2020 - January 1, 2022
OpenClassrooms program at OpenClassrooms
January 1, 2020 - January 1, 2022
Level VI Diploma - Bachelor's +3/4 at CEGEP Alma
January 1, 2020 - December 31, 2022
Android Application Developer (OpenClassrooms program) at OpenClassrooms
January 1, 2020 - December 31, 2022

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Professional Services, Education, Other
    paper MTP - Running

    Designed for runners, whether amateurs or professionals, the application facilitates the connection between athletes and coaches for personalized and optimized monitoring. It meets the needs of those looking to improve their performance, structure their training, and benefit from professional advice to achieve their running goals.