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Jules RandolphJR

Jules Randolph

React Developer ⚛️ / React Native

€660/day
7 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jules

Passionate about programming, I specialized in web technologies (React, Typescript...) and developed expertise in React Native and mobile interfaces. I specialize in front-end. I have some experience with web services (REST) in Laravel / Nodejs, but I prefer to cultivate my front-end expertise. Rigorous and committed to delivering quality work, I regularly contribute to open-source projects and am always looking for best practices, tools, and standards.

▅ The missions I am looking for
├── Obligation of means (React, React Native, Typescript)
├── Development service on a small to medium-sized mobile application
└── Development service on a small to medium-sized website or web application

My work ethic: empathy for the user, pleasure and rigor in execution, respect, listening, and transparency with the client. I always want to provide maximum information about what is included in the service and what is not, to ensure we start on solid ground. The steps:

▅ Before the project
├── Assistance in defining your needs
├── Co-writing of specifications
├── Development of a schedule
├── Identification of responsibilities
├── Identification of third-party expertise if required
└── Writing of a contractual quote

▅ During the project
├── Weekly deliveries
├── Remotely testable deliveries
├── Transparent and regular communication
└── Bug tracking and progress monitoring service

▅ After the project
├── Transfer of all sources
├── Transfer of exhaustive documentation
├── Migration of git repositories if necessary
├── Ongoing maintenance according to contract terms
└── On-demand maintenance service

Please note that I only accept 100% remote missions.
  • English

    Fluent

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Sharecare
    Malt logoOn Malt
    React Native Developer
    September 2021 - October 2021 (1 month)
    Work on accessibility for visually impaired users in a React Native application:

    - Specification of oral interfaces (Talkback, VoiceOver) for complex components (e.g., calendar with phases and events);
    - Code restructuring to facilitate the implementation of features related to the oral experience;
    - Implementation of complex oral interfaces;
    - Real-world testing via Talkback;
    - Participation in open-source projects to contribute to the overall accessibility effort and integrate these improvements into the app.

    Before starting this project, I had done some reading to familiarize myself with accessibility issues on React Native, and worked on some improvements in an Open Source project (react-native-render-html). This project allowed me to significantly improve my understanding of the oral user experience, and that it requires a design in its own right.
    Typescript JavaScript Front-End Development React Native React.js Accessibility
  • Sharecare
    Malt logoOn Malt
    React Native Developer
    August 2021 - September 2021 (1 month)
    - Code restructuring to implement new graphical specifications;
    - Adaptation of universal links and deep links;
    - Implementation of a tablet mode;
    - Peer coding and code reviews;
    - Implementation of unit tests (particularly on date/timezone management);
    - Implementation of continuous integration;
    - Back-end interface with React Query;
    - Implementation of a graphical API to standardize GUIs...
    Typescript Front-End Development React Native React.js Figma
  • Expensify
    Malt logoOn Malt
    Implementation of standards for an Open Source library (react-native-render-html)
    DIGITAL AND IT
    November 2020 - November 2020 (1 month)
    Paris, France
    I implemented the CSS 3 Text Module standard, "Whitespace collapsing" in an HTML rendering library for React Native. This was an opportunity to prepare for the pre-release of the "Foundry" version of this library (react-native-render-html), which seems to have greatly excited the React Native developer community! See https://github.com/meliorence/react-native-render-html/issues/430
    Typescript Web Development JavaScript Front-End Development React Native React.js

Reviews

5.0

Out of 3 ratings

J

Jean-Frédéric

Sharecare

Reviewed on 9/13/2021

Jules assisted us with a significant redesign of certain visual aspects of our application. He quickly grasped this complex application, worked with great attention to detail and without sparing effort, always being proactive. And always with a smile!
P

Puneet

Expensify

Reviewed on 12/4/2020

Jules was great to work with. Great communication and great final product. Would definitely recommend him!

Recommendations

AM
FU
Romain PoussierRP
Association Mermed and 2 other people have recommended Jules

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Education

  • Master's degree in Software Engineering (research type)
    University of Sherbrooke
    2017
    Un cursus particulier dans un laboratoire de recherche domotique (DOMUS) au Canada. J'ai pu y côtoyer la rigueur de la méthode scientifique, la diversité des nombreuses nationalités représentées, et l'exposition à une culture transdisciplinaire. Le cursus s'apparente à de l'expérience professionnelle, tant l'étudiant est laissé à son autonomie pour mener à bien son projet de recherche et échanger avec de nombreux professionnels. Mon projet de recherche, le prototypage et la spécification d'un outil d’assistance à l’Analyse Comportementale par codage vidéo, a représenté plus de 80% des unités d'enseignement. Le mémoire résultant est accessible ici : http://hdl.handle.net/11143/11401 En plus de son intérêt intrinsèque, cette formation, extrêmement riche, m'a sensibilisé aux pratiques suivantes : - La recherche systématique de standards ; - La rigueur scientifique ; - La plongée dans la culture du développement open source. J'ai profité de ces trois années pour m'immerger dans la recherche de bonnes pratiques de développement, et j'ai expérimenté, à taton, de nombreuses technologies Web.
  • Bachelor of Engineering
    ESEO
    2014
    2 années de prépa intégrées suivies de 2 années de cycle ingénieur. J'y ai choisi une spécialité en systèmes d'information et réseaux. C'est un cursus solide, assez traditionnel pour une école d'ingénieur française. J'ai validé ma seconde année et j'ai souhaité poursuivre ma formation au Canada pour changer de continent et m'ouvrir à de nouvelles expériences.

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