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Joan RoucouxJR

Joan Roucoux

Full Stack Developer | React | Java | Node.js

€550/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Joan

Full Stack Developer with 6 years of experience, I have tested my skills on applications with very high availability and volume at Société Générale.

I am used to working in a team in an agile environment, collaborating with UX/UI, PO, BA, QA, and developers.

Passionate about agility, I am committed to improving processes to strengthen productivity and communication within teams. Certified Professional Scrum Master I and SAFe 6 Agilist 🚀.

I also develop personal projects to strengthen my web and DevOps skills (URL shortener, Marvel wiki, CI/CD, AWS certification, etc.) 👨‍💻.

Looking forward to discussing with you 😊
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 20km)

Experience

  • Société Générale
    Tech Lead
    BANKING AND INSURANCE
    September 2022 - Today (3 years and 9 months)
    Paris, France
    • Supervision and support of 2 to 3 developers, with a focus on their skill development and integration.
    • Contribution to technical roadmaps and alignment of objectives with business priorities.
    • Guarantee of performance, security, and scalability of applications across 5 applications and 3 markets (individuals, professionals, businesses).
    • Orchestration of deployments and production monitoring via Kibana dashboards.
    • Implementation of processes to improve productivity and collaboration (documentation, enablers, etc.).
    • Guarantee of code quality through code reviews, unit tests (JUnit, Jest, RTL), and performance optimization (cache management, lazy loading).
    • Securing applications with asymmetric and symmetric cryptography mechanisms (CipherTrust, sensitive data encryption).
    • Modernization of applications with:
    • Migration from Backbone to React for better maintainability and UX.
    • Migration from WildFly to Spring Boot to improve backend scalability and performance.
    • GDPR compliance: data protection and access management.
    • Accessibility: integration of W3C/a11y standards with AXE to improve user experience.
    • UX/UI collaboration with a Design System and Storybook to ensure graphic consistency.
    React.js React Native JavaScript Typescript Node.js Java Spring boot Jest JUnit Mockito Git Kibana Atlassian JIRA Atlassian Confluence Jenkins SonarQube Storybook Redux.js redux-saga
  • Société Générale
    Full Stack Developer
    BANKING AND INSURANCE
    September 2018 - September 2022 (4 years)
    • Development of over 20 features for the Card services, including:
    • Bulk ordering of business cards for companies.
    • Change of credit card visual for individuals and professionals.
    • PIN code consultation directly from the application (visual/vocal).
    • Online card activation for new customers.
    • Management of 5 applications across 3 markets and 2 channels (web and mobile).
    • Code review and adherence to standards (SonarQube, naming conventions).
    • Implementation of backend unit tests (JUnit/Mockito) and frontend tests (Jest/Enzyme/RTL).
    • Performance optimization (cache management, lazy loading).
    • Monitoring and correction of production incidents with Kibana.
    • Agile Organization (Scrum/SAFe) with active use of JIRA and Confluence.
    React.js React Native JavaScript Typescript Redux.js redux-saga Jest Storybook Java Jboss Spring boot JUnit Mockito Atlassian JIRA Atlassian Confluence SonarQube Jenkins Backbone.js Maven
  • Orange
    Full Stack Developer Intern
    TELECOMMUNICATIONS
    February 2018 - July 2018 (5 months)
    Paris, France
    • Development of a web application to facilitate the work of study engineers during site visits.
    • Refinement of the project scope and writing of technical specifications.
    • Organization of workshops with various contributors to define the final solution.
    • Visit to technical sites to gather information from the field and better understand the operation of telecommunications infrastructure.
    Angular Bootstrap PHP Node.js

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Education

  • Master's in Computer Engineering
    CESI
    2018
  • Scientific Baccalaureate • SVT
    Lycée Louise Michel
    2013

Certifications

Skill set

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