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Benjamin K.BK

Benjamin K.

Product Designer

€375/day
Paris 1er Arrondissement, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Benjamin

🎨 Product Designer UX/UI | Specializing in SaaS, mobile & high-traffic services
đź’Ľ 3 years of experience | Greenly, SNCF Connect, Deezer | Remote & France

I design clear, effective, and user-centered interfaces for high-impact digital products. From UX exploration to UI production, I support product and tech teams in creating fluid and engaging user journeys.

🚀 I contributed to projects for:

Greenly (climate & B2B SaaS)

SNCF Connect (mobility & public service)

Deezer (music & entertainment)

đź’ˇ Key expertise:

UX/UI design (web & mobile)

MVP, redesigns & user testing

Design system (Figma, Atomic Design)

Prototyping, user flows & hi-fi

Agile work with PM & devs

✨ Available for freelance assignments – short or long term.

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Greenly
    Product Designer
    ENVIRONMENTAL
    March 2024 - Today (2 years and 3 months)
    Responsible for the regulatory part of the product, including compliance with CSRD, Ecovadis standards and the creation of demo environments for the Greenly platform.

    🎨 My responsibilities:

    Product regulatory owner: Ensure product compliance with environmental and regulatory standards (CSRD, Ecovadis), collaborating with legal and technical teams to ensure continuous updating of requirements.

    Creation of demo environments: Design interactive demonstration environments to showcase product features to potential clients, integrating real-world scenarios and fictional data.

    Design System management and maintenance: Take charge of updating and maintaining the Design System to ensure visual consistency and user experience fluidity across the entire product.

    Collaboration with product and tech teams: Work closely with development teams to integrate regulatory requirements into the user experience without compromising ease of use.

    Testing and validation: Organize user testing sessions to validate the impact of regulatory changes on user experience and the effectiveness of demo environments.

    📌 Objective: Ensure the product meets regulatory standards while offering a consistent and fluid user experience, and facilitate product presentation through engaging and representative demo environments.

    Product design UI/UX Design SAAS B2B Design System
  • Snapp
    Founding Designer
    RESTAURANTS AND FOOD SERVICE
    April 2025 - Today (1 year and 2 months)
    Snapp is an application in development that allows restaurateurs to create and share their digital menu via QR code, easily and without complex tools.

    🎨 As Founding Designer, I laid the product & visual foundations:

    Creation of brand identity (naming, logo, graphic charter)

    Design of the landing page to validate market interest and capture leads

    Creation of a high-fidelity interactive prototype simulating product usage

    Definition of the first user journeys for fluid and mobile-first usage

    Product support in the ideation and MVP preparation phase

    📌 Objective: build a simple, accessible, and useful product for restaurateurs, with a clear vision from the zero phase.

    Product design Branding Landing page Framer
  • Deezer
    Music Quiz
    ENTERTAINMENT AND LEISURE
    June 2024 - June 2024 (1 month)
    Montreuil, France
    Design and improvement of the Deezer Music Quizz application, allowing users to participate in exclusive tournaments, win rewards, and play in online mode.

    🎨 My responsibilities:

    User interface redesign: Design the interface to offer a fluid and engaging experience for users playing the music quiz.

    Creation of exclusive tournaments: Design features allowing users to participate in themed tournaments, with leaderboards and exclusive rewards for top players.

    Online mode: Development of the online mode allowing users to challenge friends or random players in real-time, with a matchmaking and leaderboard system.

    User engagement optimization: Creation of gamification mechanics to encourage users to return regularly, with notifications, daily challenges, and unlockable rewards.

    Interactive prototyping: Creation of high-fidelity mockups to test online mode features, tournaments, and rewards before production.

    User testing and feedback: Implementation of testing sessions to gather user feedback and improve the online quiz experience, as well as reward integration.

    📌 Objective: Create a fun and competitive experience where users can challenge each other, win rewards, and engage with music interactively, while boosting app usage.
    Product Discovery Wireframing Design System

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Education

  • Master Product Manager
    HETIC
    UX Research, Méthode Agile, Discovery, Lean UX
  • Grande École Program
    HETIC
    - Développement Web - Design Thinking - Game Design - Conception d'interfaces UI/UX - Communication d'entreprises - Marketing Stratégique - Gestion de Projets

Skill set

Categories