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Julien TavernierJT

Julien Tavernier

Frontend Developer | React Next | Webflow | API

€450/day
5 projects
Abou Dabi, AE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

🚀 As a Frontend Developer specializing in React and Next.js, I offer a range of services dedicated to creating and optimizing your online presence:

Frontend Developer:
✅ Development of tailor-made solutions, focusing on responsive and high-performance interfaces.
✅ Mastery of Frontend frameworks like React.js for fluid and modern user experiences.

Performance Optimization:
✅ Analysis and improvement of site performance for fast and efficient navigation.

Website Creation and Redesign:
✅ Creation of elegant and functional showcase websites to highlight your business.
✅ Expertise in e-commerce site creation to boost your online sales.
✅ Website redesign for an updated look and performance.

WordPress and Webflow:
✅ Experience in creating and managing sites on WordPress and Webflow, for intuitive and flexible content management.
✅ Development of sites with Elementor, ensuring ease of maintenance and updates.

WordPress Security Optimization:
✅ Strengthening the security of your WordPress sites to protect your data and your users' data.

API Integration:
✅ Integration of Rest APIs to expand your site's functionalities and facilitate interaction with other services and platforms.

🎯 Looking for a Frontend Developer specializing in React and Next.js?
🚀 Need to boost your site with optimal performance and security?
📞 Contact me and let's bring your web projects to life.

🤝 See you soon for a successful collaboration!
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Abou Dabi (up to 20km)

Experience

  • 10 Nord
    Malt logoOn Malt
    Frontend developer
    May 2024 - Today (2 years)
    Paris, France
    MVP Objective:
    Present in 3D to decision-makers, the collected analyses and/or information as well as the terrain configuration on the areas of interest by various means with the objective of intelligence gathering or mission preparation.
    Typescript JavaScript Vercel UI Web Design API Gateway React-router React.js Cybersecurity Framer Motion TailwindCSS Next Developer Web Performance Frontend Design API ES6 Debugging Website Design Next.js Web API website Web Development Frontend Development React Query API Platform Responsive Integration
  • Seckiot
    Software Frontend Engineer | Cybersecurity
    DEFENSE AND MILITARY
    June 2023 - February 2024 (8 months)
    Paris, France
    Situation:
    Since the beginning of June, I have been working as a Software Frontend Engineer at Seckiot, a French software company specializing in cybersecurity. Seckiot offers solutions to enhance the security of its clients' industrial and XIoT systems.

    Tasks:
    - Development of new components to meet application needs.
    - Updating and optimizing existing components.
    - Rewriting components as needed.
    - Defining standards for the project and the team.
    - Creating tickets to report bugs or features to be developed.
    - Modifying endpoint responses to update the application.
    - Cleaning up superfluous components.
    - R&D to identify areas for improvement.
    - Working on the UI and UX of components.

    Actions:
    - I developed and optimized key components to improve the overall functionality of the application.
    - I defined and implemented development standards to ensure code quality and consistency.
    - I collaborated with the team to report and resolve bugs, and to introduce new features.
    - I took R&D initiatives to identify areas for improvement, focusing on both technical functionality and user experience.

    Results:
    Thanks to my contributions, the application has seen a general improvement in performance. The code has been optimized to adhere to best practices and established standards. Components have been visually enhanced, leading to a better user interface (UI) and user experience (UX). Furthermore, new features have been added to increase the application's value.
    React.js Tailwind CSS Gitlab Gitlab CI/CD Terraform API Jira Typescript Frontend Development
  • Webqam
    Software Frontend Engineer
    DIGITAL AND IT
    March 2023 - June 2023 (4 months)
    Saint-Étienne, France
    Situation: For 3 months, I had the opportunity to work at Webqam, a web agency, on a financial project. Initially, I assisted the team in taking over the project, then I quickly evolved into a lead role.

    Tasks: As the lead on the project, my responsibilities covered several areas. I worked on improving the application's stability, implemented a refresh token system for authentication, optimized CSS and responsiveness to match the mockup, and integrated new components. I also managed the transition of some components from Vue 2 to Vue 3 to increase the application's reactivity.

    Actions:
    - Implementation of a refresh token system for authentication, ensuring the validity and security of user sessions.
    - Numerous bug fixes to improve the application's stability and reliability.
    - Optimization of CSS code to faithfully match the mockup and improve performance.
    - Integration of new components to meet specific project needs.
    - Setting up additional API calls for various functionalities.
    - Migration of some components from Vue 2 to Vue 3 for better application reactivity.

    Results: Thanks to my work at Webqam, the client's project regained new momentum and better management. The improvements made optimized the application and brought it closer to its initial version. Furthermore, new processes were implemented, such as the agile methodology, daily stand-ups, ticket estimation, and end-of-sprint reports. These new practices fostered better collaboration and more efficient project management.

    Thank you to them for the incredible welcome I received, a great team, an amazing work environment, a supportive atmosphere, it's very pleasant! 🤘🔥
    Vue.js SASS/SCSS API JIRA Gitlab Agile Methodology Frontend Development

Reviews

5.0

Out of 3 ratings

M

Michel

10 Nord

Reviewed on 9/2/2024

Great, attentive, very good responsiveness, I highly recommend.
M

Michel

10 Nord

Reviewed on 8/27/2024

Very good contact, responsive and efficient! I recommend.

Recommendations

Emmanuel BismuthEB
Guillaume AndréGA
Colin C.CC
Emmanuel Bismuth and 2 other people have recommended Julien

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Education

  • Frontend Developer
    OpenClassrooms
    2022
    - Analyser les besoins à partir du cahier des charges défini par le client ou le chef de projet ; - Implémenter des mockups avec du code de qualité ; - Optimiser le temps de chargement des pages ; - Communiquer avec les développeurs back-end pour assurer l’échange d’information dans l’application ; - Utiliser les bonnes pratiques pour structurer le code HTML, CSS et Javascript ; - Utiliser des frameworks comme React pour construire des applications puissantes et modulaires ; - Tester le bon fonctionnement de l’application et corriger le code quand c’est nécessaire ; - Assurer le support technique du site et produire une documentation technique et fonctionnelle du site pour le client.
  • Web Developer
    AFIP
    2019
    Niveau bac +2 : - HTML 5 & CSS 3 - PHP | Symphony 4 & 5 - JS & JQuery - Bootstrap 4 - Création d'un blog dynamique (espace membre, administration, commentaires, etc..) - Création et gestion bases de données

Certifications

  • Software front-end engineer
    Udemy
    2022
    redux Vercel TailwindCSS Next.js React.js

Skill set

Categories