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Julie ThelieJT

Julie Thelie

React | Next.js Developer

€300/day
2 projects
Grenoble, FR
0-2 years

Average response time: 4 hours

Freelancer profile translated to English.
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About Julie

Hello! My name is Julie 👋

I am a Freelance Front-End Developer, specializing in creating modern, fast, and responsive websites and web applications, primarily with React, Next.js, and Tailwind CSS. I can also adapt to other technologies based on your needs.

I have already completed several client and personal projects, such as:

● Website for a sports association
● Psychologist's website
● Recipe website
● My portfolio: juliethelie.com

🔵 What I bring to you:

● Clear, modern, and easy-to-use websites for your visitors
● Design faithful to your visual identity
● Clean and optimized development for a fast and responsive site
● Personalized support and advice throughout the project

⚪ What I can do:

● A landing page or showcase website
● A complete multi-page website
● One-off missions or longer projects
● Redesign of existing website (modernize design or user experience)
● Content modifications or updates
● Maintenance or small technical adjustments

🟢Why choose me?

● I create clear, modern, and responsive websites, adapted to your needs and your visitors
● Simple and fast communication, I keep you informed at every stage of the project
● Meticulous work faithful to your visual identity
● Each project is an opportunity to create a website that perfectly meets your needs and those of your visitors

I offer fixed-price or one-off missions, with a personalized quote adapted to your specific needs.

Do not hesitate to contact me to discuss your project, I would be delighted to discuss it and find the solution that suits you!

Looking forward to collaborating with you
  • French

    Native or bilingual

Can work on-site
Grenoble (up to 30km)

Experience

  • Parkour Performance
    Creation of a website for a sports association
    SPORTS
    January 2026 - January 2026
    Briançon, France
    I assisted a sports association in creating its website to provide a clear and welcoming showcase for its activities. The goal was to allow members and visitors to quickly understand what the club offers, find important information (activities, schedules, events), and be able to register easily.
    Website creation HTML5/CSS3 React.js Next.js TailwindCSS
  • Cabinet de psychologie
    Freelance Front-End Developer
    HEALTH AND WELLNESS
    February 2025 - March 2025 (1 month)
    Paris, France
    Reproduction and complete development of a psychologist's showcase website from a Figma mockup.

    • Front-end integration with Next.js, responsive on all devices.
    • Faithful adaptation of the original design and optimization of user experience.
    • Creation of reusable components and code structuring for easier maintenance.
    • Deployment and cross-browser compatibility testing.
    • Collaboration with the client to validate the final rendering and make adjustments as needed.

    Website (with client's consent) ⭢
    React.js Next.js JavaScript CSS3 Responsive design
  • Site de recette
    Freelance Front-End Developer
    ARTS AND CRAFTS
    October 2025 - December 2025 (2 months)
    Paris, France
    Design and development of a recipe web application with React, Tailwind CSS, and Supabase.

    • Data management and recipe integration into the database.
    • Creation of a responsive and intuitive interface, accessible on all devices.
    • Development of reusable components to facilitate site evolution.
    • Implementation of navigation and interactive features (filtering, search).
    • Fully autonomous project, from conception to deployment.

    Website ⭢
    React.js TailwindCSS Supabase Next.js Responsive design

Reviews

5.0

Out of 2 ratings

AmaëlA

Amaël

Président de l'association - Parkour Performance

Reviewed on 3/13/2026

I entrusted Julie with the redesign of our parkour association's website. My goal was simple: replace our expensive WordPress site (around €120/year) which I rarely updated, with a lighter and more sustainable solution. She perfectly understood the request and demonstrated great autonomy. She took all the images and content I provided and developed a React site with extremely clean, well-documented (README included) and easy-to-deploy code. She explained step-by-step how to deploy it via GitHub and Netlify, and connect our OVH domain. Everything is clear and functional. The SEO work is remarkable: in just a few days, Google had perfectly indexed the site, even though our old site had been offline for a month. In summary: Julie is professional, efficient, and passionate about web development. Her work is impeccable, and I highly recommend opting for custom development with occasional maintenance rather than paying a WordPress subscription for a static site. Thank you for your excellent work!
HamzaH

Hamza

Psychologue - HAISSOUS

Reviewed on 2/3/2026

I hired Julie for the complete creation of my psychologist website (showcase site + blog). She was involved in the entire project: working on the mockup, integration, numerous back-and-forth exchanges to refine the rendering, SEO optimization, and setting up indexing via Google Search Console. Very professional and meticulous, she sees things through without falling into perfectionism. The work delivered is neat, high-quality, and well-structured, with real attention to detail. Communication was fluid and effective throughout the project. She is reliable, persistent, and truly committed until the complete finalization of the site. I recommend her without hesitation.

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Education

  • Self-taught
    Web Development (React / Next.js / Tailwind CSS)
    2025
    ● Apprentissage de React et Next.js et Tailwind pour créer des sites web dynamiques et interactifs ● Réalisation de projets personnels et freelance pour mettre en pratique les compétences ● Perfectionnement continu des bonnes pratiques du développement front-end
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    Front-End Web Development
    2024
    ● Bases du HTML, CSS et JavaScript ● Structuration et mise en forme de pages web ● Réalisation de petits projets pratiques pour apprendre les fondamentaux

Skill set

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