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Delphine BertrandDB

Delphine Bertrand

Web Developer | Front-End | React | Automation

€450/day
3 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Delphine

Web Developer | Front-End | React.js | Webflow | Automation ✨

Web developer specialized in React.js, JavaScript, Webflow, and automation, I design high-performance interfaces and develop integrations to automate your business processes, connect your tools, and eliminate repetitive tasks.

My approach combines rigorous technical expertise with a design culture stemming from my initial background as a graphic designer.

◉ My references ⤵︎

• 6 years of experience in Front-End web development (React.js, JavaScript, Webflow, Node.js).
• Over 50 mockups integrated with Pixel Perfect accuracy (CSS, SCSS, SASS, Tailwind).
• Development of API integrations, webhooks, and workflow automation.
• 15 projects delivered for Volkswagen, OpenClassrooms, Lostwoods, Sports Agent Institute, Nayro, Tpress Studio...

◉ My expertise ⤵︎

I assist agencies, startups, and SMEs with projects requiring reliable and maintainable technical execution:

• Front-End Development React.js & Webflow.
• Faithful integration of Figma mockups.
• Responsive Design and performance optimization.
• Integration of REST APIs, webhooks, and third-party services.
• Process automation, synchronization between software, WooCommerce, SaaS, and business tools.
• Back-office automation when APIs are limited.
• UX/UI and user experience improvement.

My goal: to save you time through robust, scalable, and easy-to-maintain solutions.

As a former graphic designer, I ensure the consistency of your design system and impeccable integration quality.

◉ Contact me ⤵︎

I respond in under 2 hours.

Let's discuss your React, Webflow, API integration, or custom automation project.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Bordeaux (up to 50km), Nantes (up to 50km), Marseille (up to 50km), Lyon (up to 50km)

Experience

  • Soundatech
    Web Developer | Playwright | Automation | Javascript
    EDUCATION AND E-LEARNING
    July 2026 - July 2026
    Paris, France
    Mission Objective:
    Design a business automation to synchronize a Trafft dashboard via webhooks, to eliminate manual operations, ensure reliable processing, and improve operational efficiency.

    Accomplishments:
    Design and development of an automation engine capable of processing incoming webhooks and automatically executing necessary actions in the Trafft back-office.

    Implementation of a reliable workflow integrating event management, business process automation, and secure processing, reducing human intervention and error risks.

    Development of a maintainable and scalable solution, designed for easy integration with existing tools and to support the client's future needs.

    Technical Stack:
    Node.js, JavaScript, Playwright, REST API, Webhooks
    Automation TypeScript Expert JavaScript Web Developer Playwright
  • Happy move transfert
    Web Developer | Front-end | Javascript | HTML | CSS
    TRANSPORTATION
    June 2026 - June 2026
    Paris, France
    Mission Objective:
    Integrate a new page into a car rental platform for travelers in Greece, adapting an AI-generated development to the existing Design System and project quality standards.

    Accomplishments:
    Takeover and refactoring of a page generated by Claude Code to align it with the application's Design System, harmonizing components, styles, and interface behaviors.

    Optimization of code quality, improvement of maintainability, and integration of Front-End best practices to ensure visual and technical consistency with the entire platform.

    Collaboration with the project team to ensure smooth, responsive integration that adheres to functional and graphical requirements.

    Technical Stack:
    Javascript, Tailwind CSS, HTML5, CSS3
    Tailwind CSS HTML5 JavaScript Development Front-End Development TailwindCSS
  • Sans Concession
    Web Developer | Front-end | React.js | Typescript
    AUTOMOBILE
    February 2026 - February 2026
    Paris, France
    → Mission Objective:
    Integrate Figma mockups for a vehicle sales and trade-in platform, developing a responsive, high-performance Front-End interface faithful to the design requirements.

    → Accomplishments:
    Pixel Perfect integration of Figma mockups in React.js, with particular attention to visual consistency, user experience, and responsive design across all devices.

    Development of reusable components in TypeScript, promoting project maintainability, scalability, and code quality.

    Optimization of interfaces to ensure smooth navigation, controlled loading times, and a modern user experience.

    → Technical Stack:
    React.js, TypeScript, Tailwind CSS, HTML5, CSS3
    Tailwind CSS React.js Showcase Website TypeScript Front-End Development

Reviews

5.0

Out of 3 ratings

S

Soxh

SOXH CONTENT

Reviewed on 7/11/2025

Thank you for this project. Very good communication. Thank you.
NataliyaN

Nataliya

HAPPY RAISE SARL - AGENCE DIGITALE

Reviewed on 5/12/2023

The second mission went very well again. I recommend.

Recommendations

Florian FougerayFF
François BehagueFB
FU
+1
Florian Fougeray and 3 other people have recommended Delphine

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Education

  • Web Developer Certificate
    OpenClassrooms
    2021
    Certificat développeur web
  • Associate's Degree in Network and Security Infrastructure Technician, Computer Science
    Ecole supérieure d'informatique
    2020
    Bac + 2 technicien d'infrastructure réseau et sécurité, informatique

Certifications

  • Front-end Developer
    w3 school
    2021
    SASS/SCSS Web Developer TypeScript Front-End Development SCSS JavaScript SASS Pixel perfect React.js CSS3

Skill set

Categories