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Sami HernandezSH

Sami Hernandez

Fullstack Developer React / Node.js – Freelance

€500/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sami

🌍 Remote Fullstack React & Node.js developer – freelance since 2017
I help product & IT teams build and improve business-critical web applications (banking, insurance, mutuals), working fully remote from France for European & international clients (including Canada & USA).

🧩 What I bring
– Robust business portals & internal tools, designed for users.
– Complete customer journeys: subscription, simulation, quotes, onboarding, selfcare.
– Refactoring of existing applications: performance, code quality, CI/CD, testing.

🌍 My way of working
– 100% remote, accustomed to distributed teams.
– Native French speaker, professional English (meetings, documentation, code review).
– Open to clients based in France and internationally (Europe / UK / Canada…).

🔎 What I'm looking for
– Long-term assignments (3 months +) on React / Node.js web projects.
– Product context with a real quality culture (reviews, CI/CD, testing).
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Sogecap
    Freelance Fullstack Web Developer React
    April 2024 - Today (2 years and 4 months)
    Orléans, France
    • Unified web portal for internal teams (single entry point to several existing tools).
    • Onboarding process, contract consultation, and administrative procedures.
    • Development of the mobile version of the application.
    • End-to-end feature ownership: design, development, testing, communication with PO / business teams.
    • Stack: React, React Native, TypeScript, Node.js, REST web services, Git, CI.
    React.js Typescript Node.js Git React Native
  • BforBank (Crédit Agricole)
    Fullstack Web Developer React
    April 2022 - March 2024 (1 year and 11 months)
    Paris, France
    • ReactJS UI for a portal for Crédit Agricole sales representatives (clients, prospects, contracts).
    • New front-end features + integration with existing back-end services.
    • Continuous improvement: code reviews, Sonar quality, Jenkins continuous integration.
    • Stack: ReactJS, TypeScript, JavaScript, Node.js, REST, Maven, Jenkins, Sonar, Git, Jira.
    React.js Node.js Typescript Git Jenkins
  • Mutuelle Nationale des Hospitaliers (MNH)
    Lead Fullstack Web Developer ReactJS / NodeJS
    June 2017 - March 2022 (4 years and 9 months)
    45200 Amilly, France
    • Lead on an application refactoring to ReactJS (technical guidance + development of key features).
    • Claims process, contract management (ReactJS front-end) and Node.js / Spring Boot back-end services.
    • Mentoring 3 developers on React / Node / Spring Boot.
    • Stack: ReactJS, TypeScript, Node.js, Java / Spring Boot, REST, PostgreSQL, Oracle, Jenkins, Sonar.
    React.js Node.js Typescript Git Jenkins

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Education

  • Master's Degree
    University of Orléans
    2016
    Master
  • Bachelor's Degree (3rd year)
    University of Orléans
    2014
    Licence 3

Skill set

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