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Joris L.JL

Joris L.

FullStack Developer - Automation Consultant

€450/day
1 project
Toulouse, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Joris

What I do

I design robust, automated, and scalable web applications to help businesses save time and reduce technical complexity.

My approach:clarity, efficiency, and code quality.
I enjoy transforming business needs into concrete solutions, whether for a new project or as punctual support on an existing codebase.

My expertise

Front-end:React, Next.js, TypeScript — performant and maintainable interfaces
Back-end & APIs:Node.js, Express, API integrations
Automation:n8n workflows, reduction of repetitive tasks, reduction of human error risk
Product Vision:understanding user needs and business impact

Each mission is approached with a dual focus: technical and product, to deliver code that truly serves the client's objectives.

Examples of achievements

Implementation of an internal automation system with n8n
Front-end redesign of a SaaS dashboard (Next.js + TypeScript)
Integration of external APIs to synchronize data between business tools
Support on front/back architecture and CI/CD

Let's work together

Looking for an autonomous freelancer, capable of understanding your product and delivering quickly, cleanly, and sustainably?
👉 Let's discuss your needs, even for a quick scoping session.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Toulouse (up to 15km)

Experience

  • StrangeBee
    Front-end Developer
    March 2023 - August 2024 (1 year and 6 months)
    Project context:

    • Development of new features for the incident response platform TheHive
    • Updating the old codebase.

    Achievements:

    • Integration of new features
    • Participation in the reflection and implementation of the codebase refactoring
    • Development of ancillary tools to automate certain tasks (VSCode extensions, scripts)
    • Study and creation of new components
    • Implementation of tests using Vitest
    • Implementation of a Storybook
    • Maintenance and evolution of the platform's SDK.

    Technical environment:
    Tools: VSCode, git, JIRA
    OS: MacOS X
    Languages: TypeScript (React), Storybook, Vitest, SASS
    React.js Typescript Vitest SASS Storybook
  • IBM
    FullStack Developer
    May 2022 - March 2023 (9 months)
    Contexts of the various projects:

    • Complete redesign of a mobile application.
    • Creation of an interface for data analysts, enabling the processing of queries not handled by the chatbot.
    Achievements:

    • UX considerations on prototypes
    • POCs (Proof of Concepts) development
    • Training of client developers
    • Integration of development cycles in agile mode (SCRUM)
    • Creation of a design system via Storybook
    • Integration of visuals in ReactJS with Carbon Design
    • Implementation of a back-end micro-service in Python with Uvicorn and FastAPI for data processing between Jupiter Notebook and the front-end.

    Technical environment:
    Tools: VSCode, git, JIRA
    OS: MacOS X
    Languages: Javascript/Typescript (React/React Native), Storybook, Carbon Design, Python, Uvicorn, FastAPI
    React Native Typescript Python FastAPI React.js
  • USER AGENCY
    FullStack Developer
    January 2021 - May 2022 (1 year and 4 months)
    Contexts of the various projects:
    • Development of regionalized websites
    • Updating mobile applications by adding new features and updating dependencies
    • Updating back-ends and associated APIs
    • Redesign of websites in React/Next.js

    Achievements:
    • Complete front-end redesign, meeting AA accessibility standards, and handling regionalized content using client partner solutions for various services (login, product customization, etc...)
    • Lead on a mobile application, implementing an agile operating model with the client, updating project dependencies that were 2 years old, deploying the application on app stores, implementing a CMS solution to make the client independent on published content
    • Migration of some PostgreSQL queries to Prisma queries for performance improvement

    Technical environment:
    Tools: VSCode, git, JIRA
    OS: MacOS X
    Languages: Javascript/Typescript (React/React Native, Next, Express), Storybook, Prisma, PostgreSQL
    Next.js Express React Native Typescript React.js

Reviews

5.0

Out of 1 rating

R

Réda

ODOMNI

Reviewed on 11/14/2025

Very good responsiveness and understanding of project objectives. I recommend.

Recommendations

Marie GardeMG
Marc ChartonMC
Marie Garde and 1 other person have recommended Joris

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