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Paul CollasPC

Paul Collas

Full Stack Developer Java Spring Boot / Angular

€400/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Paul

I support you from the idea to the final product through a rare dual expertise: UI/UX design + frontend development.
My goal: create beautiful, intuitive, and performant interfaces… and transform them into fast, reliable, and deployable pages.

🔥 What I bring you:

- Clear designs, modern and conversion-oriented visual identity
- Meticulous frontend integration (Angular, React, Next.js, Tailwind, Typescript)
- User-centric product vision
- Simple communication, efficient work, clean deliverables

🚀 My areas of action:
- Creation or redesign of web/mobile interfaces
- Design System & UX audits

- Figma mockups, wireframes, prototypes
- Frontend integration & development
- Landing pages, SaaS, showcase websites
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Paris (up to 10km)

Experience

  • Studio210
    CEO
    CONSULTING AND AUDITS
    January 2020 - Today (6 years and 7 months)
    14000 Caen, France
    Conception of communication strategies for brands and institutions (with Adobe).

    Carried out various projects: UI/UX graphic charters, digital campaigns, e-commerce sites (WordPress), applications, and software.
    Client management, coordination of teams and interns, interventions in schools, and design & development monitoring.
    Adobe Illustrator Graphic design Logo design Angular Wordpress
  • KLx - Group Credit Agricole
    TECH LEAD FRONTEND DEVELOPER
    BANKING AND INSURANCE
    January 2024 - January 2025 (1 year)
    Lisbon, Portugal
    Tech lead for the Frontend development of an IARD portal for real estate management. Implementation of Angular interfaces, integration of Spring Boot services, and collaborative code management via Git coupled with CI/CD with Jenkins and JIRA.

    Development of a real estate management IARD portal for Crédit Agricole. Implementation of a centralized Angular framework for managing business modules. Integration of backend Spring Boot services for consulting and updating client data.
    Internal application

    🚀 My expertise:

    - Creation of UI/UX mockups in Figma and prototype integration
    - Tech lead of the Frontend department: definition of architecture, technical choices, and best practices.
    - Development of dynamic and responsive interfaces (Angular).
    - Implementation of versioning tools (Gitlab) and supervision of CI/CD pipelines (Jenkins).
    - Code review and mentoring of junior developers, peer programming.
    - Coordination with backend teams and PO for Agile sprints.

    📌 Technologies used:

    Frontend: Angular 17/20, TypeScript 5.x, RxJS, NgRx, SCSS, HTML5, NextJS, PrimeNG
    Backend (integration): Java 20x, Maven, Spring Boot 3.x, REST API, Swagger API
    Tools: Visual Studio Code, IntelliJ, GitLab / Jenkins (CI/CD), JIRA, Confluence, Docker, Node.js 20.x,
    ElasticSearch, PostgreSQL, PgAdmin
    Angular Front-end interface development Art direction IT project management IT strategy
  • Luminess
    FRONTEND DEVELOPER
    SOFTWARE PUBLISHING
    January 2023 - January 2024 (1 year)
    Lisbon, Portugal
    Development of a governmental React.JS application facilitating the integration of European patents. Design and implementation of modern and performant user interfaces, and REST API integrations.

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Education

  • MASTER DEV MANAGER FULL STACK
    3IL Ingénieur
    2023
  • ENGINEER - FULL STACK DEVELOPER
    EFREI PARIS
    2023

Certifications

  • TOEFL
    Linguaskill
    2024
    Bilingual English
  • Scrum Master
    CSM
    2023

Skill set

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