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Callixte
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Front-end developer
Paris
Freelance
Hybrid remote
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About
Callixte
Développeur full-stack spécialisé en React et NextJS. A fond dans le Web3 en ce moment
Front-end developerParis
developer avatar
Professional experiences
5 years of experience as Front-end developer (or similar)
Next.js / React.js / Node.js Full-stack Developer
Revolt.eco - ParisSep 2024 - Nov 2024 · 2 months

Revolt.eco is a fast-growing French startup that offers an all-in-one
management application for solar panel installers. This includes solar studies,
technical constraints, administrative management, and many other innovative
features.
Our app is built on the Next.js framework, with React on the front-end and
Node.js on the back-end.
My role is to develop new features, either independently or collaboratively, as
part of a team of two other developers and the CTO.
We work with a highly effective agile methodology, balancing individual and
team-based work as needed. This allows us to quickly deliver complex, well-
tested features that are perfectly tailored to user needs.

Flutter Developer (Mobile) + Low-code Developer (Retool) + Firebase
QuehoraApr 2024 - Sep 2024 · 5 months

Critical visual improvements in the mobile app interface using Flutter, to make
the app more intuitive and user-friendly
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Back-office evolution in Retool to reflect these changes and simplify the
process of adding locations for app administrators
Quehora is an app that allows tourists and city visitors to explore interesting
places during the most advantageous times (off-peak hours) and avoid heavy
crowds (peak hours).
In addition to enjoying the location without waiting or being in a crowded
environment, users earn Diamz that they can later exchange for discounted
rates on various services.
My AI Lab

& Database)
Flutter & FlutterFlow Developer (Web & Mobile app) + Xano (Back-endApr 2024 - Jul 2024 · 3 months

The Web and Android app My AI Lab aims at enlarging typical functionalities of
AI chatbots like ChatGPT (OpenAI), le Chat Noir (MistralAI) etc.
Kador

(React.js, Node.js)
Full-stack Low-code (Retool, Xano, N8N) & JavaScript Developer - ParisJan 2023 - Feb 2024 · 1 year 1 month
  • Evolution and maintenance of the recruitment app
    Using Retool for the front-end, Xano for the back-end (database and API)
  • Chrome extension
    Development of a Chrome extension for LinkedIn. Coded in plain JavaScript,
    without libraries.
  • Task planification
    Using N8N to define regular actions and procedures that run in background
    needl.co
Analyst
Retool Front-end Developer & Python Back-end Developer / Data - ParisOct 2021 - Dec 2022 · 1 year 2 months
  • Dashboards
    Creation of interactive dashboards using Retool or React.js to view and
    interact with key business data.
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  • Matching Algorithm
    Recommends buyers to suppliers based on existing criteria.
    Coded in Python using the Pandas library for ultra-fast processing.
    Hosted on a datalab in collaboration with the Data Lead.
  • Analytics
    Detailed analysis of key data to identify strengths and weaknesses and
    optimize processes.
    Uses Pandas (a Python data processing library) for massive and/or recurring
    analyses. Sometimes Google Sheets or Microsoft Excel are used for one-time
    analyses with small data volumes in order to go faster.
Java & JavaScript (React.js) Developer / Data Visualisation
M&R DEVICES - ParisAug 2021 - Sep 2021 · 1 month
  • Development of a Java connexion interface (compatible with Windows and
    MacOS) for a data collection device that, once connected to a computer, sends
    data to a MySQL server for visualization in a dashboard.
  • Development of a data visualization interface using JavaScript with React.js,
    linked to the MySQL database containing the data collected by the device.
    M&R offers a device for athletes, that they can simply put in their sport training
    clothes.
    This device collects various data during physical activity and allows for
    subsequent display and analysis to optimize performance.
Back-end Developer / Data Analyst (Node.js, Python)
sundayJul 2021 - Jul 2021 ·
  • Development of a web scraper to retrieve data from a website
  • Analysis and matching of this data against an existing database
Développeur Java Web Scraping + Data Visualisation
Agence immobilière - ParisFeb 2021 - May 2021 · 3 months

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Développement d'un scraper en Java pour récupérer des données concernant
l'immobilier dans les villes françaises (MeilleursAgents).
MeilleursAgents est un site très difficile à scraper à cause des nombreuses
mesures de protection qu'ils ont mis en place contre les scrapers justement.
C'était un challenge super intéressant.
Déroulement :

  • codage du programme pour exécution récurrente (mensuellement)
  • stockage des données récoltées dans une base de données
  • visualisation de ces données via des dashboards Tableau
Développeur JavaScript : Application Web React
ISEP - école d'ingénieurs du numérique - ParisJan 2020 - Jun 2020 · 5 months

Conception, design et développement de l'application web React : JS2Blockly.
Cette application analyse du code JavaScript et l'afficher sous forme de blocs

Développeur Mobile : Application Android
pour aider à la lecture et au débuggage. - ParisOct 2019 - Dec 2019 · 2 months

Conception, design et développement de l'application mobile Android :
Squidge.
Cette application permet de rechercher, sauvegarder et gérer des recettes
scrapées directement en temps réel sur un site de recettes (marmiton)

Développeur VBA Excel / Production KPI
Bouygues TelecomSep 2017 - Oct 2019 · 2 years 1 month

Technopôle, Meudon-la-Forêt (92)

  • Calculs de statistiques pour analyse et optimisation d'une base de données
    de commandes
  • Développement de scripts correctifs sur des extracts de base de données
    au format Excel, visant à corriger automatiquement les incohérences qu'elle
    contient
  • Importations et fusion et divers extracts au format Excel
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Schools
5 years of higher education
Institut supérieur d'Electronique de Paris
Diplôme d'ingénieur, Informatique2019
Links
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Technologies
Skills
Interested by...nodejs
Languages
  • Anglais
  • Français
Tests
No information has been entered for this section.