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Maxime K.MK

Maxime K.

Full Stack Mobile Developer | React Native

€550/day
Montréal, CA
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Maxime

👋 Need to launch or accelerate your mobile application without doubling your teams?

Specializing in the React Native and Node.js ecosystem, I work with startups and scale-ups to propel their products, from interface design to deployment on the stores (iOS / Android) and server management.

Thanks to my Frontend/Mobile and Backend skills, I solve the biggest challenge for tech teams: ensuring fluid and ultra-performant communication between your applications and your APIs.

🛠️ What I bring to your team:

Mobile Development (React Native): High-performance cross-platform apps, offline storage management, push notifications, automated deployment on the App Store & Google Play.

Backend Architecture (Node.js / Express / Next.js): Design of robust, secure, and scalable APIs (REST/GraphQL) (MongoDB, SQL).

Product & Engineering Culture: Clean, maintainable, tested (Jest) code aligned with your business objectives.

💼 They trusted me: The Residency, Synaxe, Rize Networks... (+8 successfully delivered projects).

🌍 Based in Montreal (ideal time zone for flexibility or asynchronous work with Europe and the US), I work exclusively in Full Remote.

Let's discuss your technical roadmap! Contact me for a quick chat.
  • Italian

    Basic

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • The Residency
    Software Engineer
    ENTERTAINMENT AND LEISURE
    September 2023 - Today (2 years and 10 months)
    When I first joined The Residency, the real-time chat application was limited to 2000 simultaneous users, which degraded performance and negatively impacted user experience.

    My mission as a Software Engineer was to optimize the application to increase the number of simultaneous users, while maintaining a smooth and pleasant interface on both Android and iOS.

    I developed key features, including profile management, authentication, and real-time messaging with quick reactions, precisely integrating mockups for a consistent user experience. In parallel, I applied rigorous development principles and unit tests to ensure component robustness and quality. I used modern technologies like React, React Native, Typescript, AWS, and GitLab, and collaborated closely with the team to ensure technical and functional alignment of the project.

    Thanks to these efforts, the application now supports up to 80,000 simultaneous users, with a much smoother user experience. This improvement not only met the company's needs but also increased user adoption and satisfaction.
    React Native expo Typescript fastify Terraform aws
  • rize network
    Software Engineer
    ENTERTAINMENT AND LEISURE
    October 2022 - October 2023 (1 year and 1 month)
    At Rize Networks, I contributed to the development of the POHPIH application, the first mobile app for online freestyle dance battles. This unique application allows dancers of all levels to compete, track their progress on a global leaderboard, and access exclusive tutorials and dance community news.

    My mission was to develop an intuitive and responsive user interface that facilitates battle interactions, leaderboard viewing, and access to various training and news content. The goal was to create an engaging and fluid experience for users while ensuring optimal performance on both iOS and Android platforms.

    I worked on optimizing the interface using React Native to ensure an immersive user experience, even during online battle interactions. I also implemented animations and intuitive navigation so users could easily access key features like leaderboards, tutorials, and community information, ensuring visual consistency and smooth transitions.

    The application has brought together an international community of dancers who have been able to compete, improve their rankings, and access valuable resources for progress. Positive feedback highlighted the app's ease of use and immersive experience, further strengthening POHPIH's reputation.
    React Native React.js redux Typescript
  • Emagineurs
    Frontend Developer
    CONSULTING AND AUDITS
    July 2022 - September 2023 (1 year and 2 months)
    Lyon, France
    At the Emagineurs agency in Lyon, I was responsible for the creation, maintenance, and evolution of websites for various clients, including private companies, municipalities, and public entities.

    My role involved developing functional and engaging websites, ensuring their daily smooth operation, and implementing technical and visual improvements to meet evolving client needs.

    I managed content updates, resolved technical issues, and added new features based on user feedback. By working closely with internal teams and maintaining good communication with clients, I ensured that the websites met expectations for performance, accessibility, and design.

    Thanks to this proactive approach, the websites benefited from increased reliability and better adaptability to changing client needs. This enhanced end-user satisfaction and allowed the agency to maintain positive, long-term relationships with its clients.

Recommendations

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Maxence Guyonvarho and 2 other people have recommended Maxime

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Education

  • Front End Developer
    Wild Code School
  • Baccalauréat
    Lycée Pascal Paoli
    2011

Skill set

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