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Maximilien GuillasMG

Maximilien Guillas

Front-end Web Developer React | Website

€555/day
Paris, FR
3-7 years

Average response time: 1 hour

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About Maximilien

Looking for a React / Next developer?
Do you need a website or a new architecture to support business ambitions?
You've come to the right place.

I am a software engineer with over 7 years of experience and a specialist in React/Next/Vue.JS development.
I have collaborated with companies such as Edenred, Evermaps, Squadra.ai... and even government bodies, with the Ministry of the Interior.

I am able to:
- Design, develop, and maintain features in line with business needs
- Participate in the writing of detailed technical specifications
- Analyze the impact of product design on the IS technical architecture
- Develop the front-end in React / Next / Vue.Js
- Implement CI/CD
- Implement software architecture such as Clean Architecture, Hexagonal/Headless architecture...
- Write technical documentation.
- Perform unit and integration tests to ensure code quality
- Participate in refactoring, continuous improvement, and code review.

I also have knowledge of:
- containerization,
- Atomic Design,
- accessibility a11y and RGAA...

I also place great importance on transparency with my clients.
I send a weekly report to my clients at the end of the day on all the tasks I have performed.

Shall we discuss your project?
Contact me, I respond very quickly.
---
Javascript, Typescript, SASS/SCSS, Frontend Development, Software Architecture, Web Development, Responsive Integration, Git, Optimization, Mobile first, REST API, Web Integration, Unit Test, Prototype, React, Next, VueJs, Front-End Development, Gitlab, CI/CD, AI Agent, AI Agents, Clean Code, Hexagonal Architecture, Headless Architecture, Digital Transformation, Javascript Developer, Typescript Developer, Web Developer,
  • French

    Native or bilingual

Can work on-site
Paris (up to 50km), Rouen (up to 50km)

Experience

  • Squadra.ai
    JS / AI & Automation Fullstack Developer
    March 2025 - May 2025 (2 months)
    • • Design of connectors between AI agents based on OpenAI and Firecrawl.
    • • Implementation of configurable scraping and crawling functionalities.
    • • Development of configuration interfaces and visualization of collected data.
    • • Implementation of AI token consumption monitoring and cost restrictions.
    • • Development of data persistence logic.

    Technical Environment: Angular, Node.js, NestJS, OpenAI API, Firecrawl API
  • OFII – Ministère de l'Intérieur
    JS Fullstack Developer / Front-End Lead
    September 2022 - March 2026 (3 years and 6 months)
    • • Portal Redesign (React)
    • • Development of new administrative procedures and optimization of front-end/back-end exchanges.
    • • Creation of dynamic components and page generation mechanisms via Strapi.
    • • Integration of DSFR and RGAA compliance.
    • • Contribution to the improvement of development processes and team practices.
    Technical Environment: React, Redux Toolkit, React Hook Form, Strapi, DSFR, PHP
  • Evermaps
    JS Fullstack Developer / Lead Dev
    September 2020 - August 2022 (1 year and 11 months)
    • • Design of a multi-client store locator generation factory.
    • • Implementation of a modular fullstack architecture with Next.js and Node.js.
    • • Development of a component library based on Atomic Design.
    • • Implementation of SSR, internationalization, and automated SEO generation.
    • • Product industrialization through testing, quality, and factorization.
    • • Implementation of microservices
    • • Design and development of a REST API for managing exchanges with different data sources

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Education

  • Master 2 (M2)
    SUPINFO - The International Institute of Information Technology
    2018
    Master 2 (M2)
  • BTS IRIS, Computer Science
    Lycée Technologique La Châtaigneraie
    2015
    BTS IRIS, Informatique

Skill set

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