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Corentin C.CC

Corentin C.

Fullstack Developer | React / Node JS Typescript

€350/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Corentin

👋 Hello!

I am a Full Stack Developer specializing in React, Node.js, and TypeScript, with over 4 years of experience in various environments (start-ups, IT consulting firms, and freelance projects).
I primarily work on short-term assignments to help teams deliver quickly, with clean, clear, and maintainable code.

It would be a real pleasure and an honor to contribute to the success of your project.
I am autonomous, responsive, and easily integrate into existing teams.

🚀 Main Stack
React, Next.js, Node.js, TypeScript, GraphQL, REST

🧠 Other Skills (Web / Mobile / Cloud)

React JS / React Native (hooks, Redux, UI components, etc.)

MongoDB, Redis

Firebase (Auth 2.0, Cloud Functions, DB, etc.)

Docker, Kubernetes (junior level)

GCP (Google Cloud), GitLab, GitHub

Strapi, Adalo

Python, Google APIs (Maps, Auth, Geotracer, etc.)

💡 Core Languages
C, C++, HTML, CSS, JavaScript
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 10km)

Experience

  • Swapn
    Fullstack Developer Next Python AI LLM integration
    HUMAN RESOURCES
    July 2025 - December 2025 (5 months)
    Paris, France
    ● Developed the front end from scratch with Feature-Sliced Design (FSD) architecture.
    ● Implemented OAuth and integrated the Python FastAPI backend.
    ● Integrated an AI chat connected to a LangChain agent.
    ● Developed backend AI tools (documentation generation, business assistants).
    ● AI Pipelines: embeddings, RAG, pgvector, AWS Bedrock.
    ● Backend webhooks for human-in-the-loop workflow.
    Next.js Langchain AWS Bedrock Python
  • ENI
    Fullstack Developer Next TS React Node GraphQL
    ENERGY AND UTILITIES
    February 2024 - May 2025 (1 year and 3 months)
    Paris, France
    Developed the energy client portal (client dashboard to manage their plan, consumption, billing, etc.)
    ● Developed the B2B/B2C client acquisition form for telemarketers, door-to-door sales, and online access.
    ● Developed forms for user personal details, bank details entry, SEPA mandate signature, offer display, and user consent, among others.
    ● Developed the logic for the multi-step form and navigation bar.
    ● Developed various components in the Storybook design system.
    ● Developed and integrated Figma mockups.
    Next.js Node.js Drizzle GraphQL
  • ALLOHOUSTON
    Fullstack JS Developer
    SOFTWARE PUBLISHING
    January 2023 - August 2023 (7 months)
    Paris, France
    Developed a dashboard from scratch, including pages, workflows, features, and REST APIs.

    SKILLS
    React JS - TypeScript, Hooks, Functional components, Contexts - StoryBook react component library - Redux - Node JS - Docker - MongoDB - d3js - Github CI/CD - Notion

    ACHIEVEMENTS
    Design and development
    Integrated Figma mockups.
    Developed pages
    Developed a dynamic hierarchical tree (d3js data visualization).
    Developed various tables (tanstack table data visualization).
    Developed creation/editing forms on various pages.
    Set up a React component library linked to the project and future business needs.
    Developed and evolved various components during the assignment.
    Handled client feedback during demo phases between sprints.
    Designed & implemented the logic and structure of React components.
    Developed backend API endpoints related to various webapp and business needs.
    Developed and implemented database data structures (MongoDB)

    Infrastructure and deployment
    Set up the architecture & design patterns for the project (front/back) and for the React component library (Storybook & hexagonal pattern).
    OVH cloud, Ansible / Docker infrastructure / MongoDB
    Github

    Organization/methodology
    Clean code / Design patterns / Functional programming / Hexagonal architecture
    Agile methodology, roadmap, project and task management via Notion and Github
    ESLint Git pre-commit hook
    React.js TypeScript Node.js Meteor.js MongoDB Docker

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Education

  • Computer Science Expert
    EPITECH
    2021
    L'école pour l'informatique et les nouvelles technologies est un établissement d'enseignement supérieur privé reconnu par l’État créé en 1999 par Nicolas Sadirac formant des informaticiens.

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