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Eric NdefoEN

Eric Ndefo

Senior UI/UX Engineer & Front end Developer

€550/day
Brussels, BE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Eric

Senior UX/UI Engineer & Frontend Developer with over 8 years of experience in creating digital experiences, from concept to production.

I specialize in the entire front-end spectrum, ranging from design systems and component libraries to implementing complex applications with Angular, Vuejs, and React. I bridge the gap between design and development, translating UX research and mockups into pixel-perfect, accessible, and performant interfaces.

Experienced in conducting accessibility audits (WCAG, RAWEB/RAAM/RAPDF standards in Luxembourg), creating responsive design systems, and implementing scalable front-end architectures. I create like a designer and build like a developer.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Brussels (up to 50km), Luxembourg (up to 50km)

Experience

  • I-hub,
    Senior UX/UI Designer & Front end developer
    BANKING AND INSURANCE
    January 2025 - December 2025 (11 months)
    Kayl, Luxembourg
    Design and maintain component libraries and design systems in Figma, creating user flows, wireframes, and high-fidelity prototypes with mobile-first approach Conduct comprehensive accessibility audits (RAWEB, RAAM, RAPDF standards) provide compliance reports with actionable guidelines Implement pixel-perfect designs using Angular 19, HTML5, CSS3, developing responsive interfaces and maintaining component libraries Lead moderated usability testing sessions, analyze user behavior data, and deliver data-driven recommendations to product teams Bridge design-development collaboration, ensuring consistency through reviews and QA processes with Product Owners and Engineering teams
    Figma CSS3 JavaScript UX/ UI AngularJS
  • At Saper Vedere
    Medior / Senior Frontend Developer
    PUBLIC SECTOR
    January 2022 - December 2024 (2 years and 11 months)
    Bruxelles, Belgium
    Collaborated with designer to review and refine UI/UX mockups, ensuring design feasibility and optimal UX for political intelligence SaaS platform Work on front end architecture of the platform and technology decisions Integrate design systems into VueJS component libraries.

    Creation of responsive and attractive user interfaces for various devices (mobile, tablet, desktop).

    Using HTML/CSS/JavaScript for pixel-perfect user interfaces.

    Wrote and integrated end-to-end tests within a CI/CD pipeline using Playwright.
    Vue.js JavaScript UX/ UI CSS3 end-to-end tests
  • At Medicasure
    Cofounder & Chief Technology Officer
    MEDICAL
    January 2019 - Today (7 years and 5 months)
    Bruxelles, Belgium
    Lead end-to-end product design and UX strategy for healthcare platform. conducting user research, creating design systems, and defining visual identity

    Design and build responsive web and mobile applications ensuring optimal user experiences across platforms (Vue.js. Angular, React)

    Implement user analytics and behavioral tracking (Matomo, Google Analytics) to drive data-informed UX improvements and conversion optimization

    Manage technical architecture, microservices implementation, server infrastructure, and collaborate with CEO/COO on product roadmap
    React.js AngularJS UX/ UI UML Modeling Vue.js

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Education

  • Master of Web Development, UI/UX Design
    ESIAJ Namur
    2017
    Master specialised in Webdevelopement
  • Bachelor of Software Engineering
    IUC Douala
    2011
    Bachelor of Software Engineering

Certifications

  • Agile PM
    Agile PM Foundation
    2022
  • Agile PM
    Agile PM Practitioner
    2022

Skill set

Categories