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Mehdi Jack Dzenite KetrebMJ

Mehdi Jack Dzenite Ketreb

UX/UI Designer | Web Apps | Figma expert

€350/day
3 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mehdi Jack

🎨 I am Mehdi Jack, a UX/UI Designer based in Paris, an expert in Figma, bilingual in French & English.

🎯 My strengths:

Active monitoring of UX/UI best practices
UX Audit
UX Research and product trends (NN Group, AppFollow, etc.)
Insurance subscription funnel
Precise and organized interactive prototyping
Clean, aesthetic, clear, and minimalist UI
Effective structuring of insights and handoff for developers
Basic Google Ads campaign management
High multicultural adaptability (English B2, Japanese B1)

📚 Sectors covered: Real Estate, Fintech, Banking, Insurance, HR

🚀 Recent projects:

UX/UI design and optimization of a subscription funnel for a company in the insurance sector
SaaS invoicing & accounting tool for freelancers + dashboard + email campaign → User journey UX + responsive UI (complete Figma prototype, developed with Backend Firebase Studio).
Real estate SaaS CRM + landing page → Customer journey UX + responsive UI (complete Figma prototype, ready for development).
Google Ads campaign management + KPI tracking for a conversion-oriented landing page
Fintech banking app (UK) → Optimized landing page, high-performing CTAs, conversion, and micro-interactions
UX/UI at SternPay (UK fintech) → complete design system + handoff for developers

🔧 Tools: Figma, Slack, Notion, Miro, Jira, Trello

📞 Looking forward to connecting
  • French

    Native or bilingual

  • English

    Fluent

  • Japanese

    Conversational

Can work on-site
Paris (up to 50km), Lille (up to 20km), Lyon (up to 20km), Nantes (up to 20km)

Experience

  • Login Digital Africa
    Malt logoOn Malt
    UX/UI Optimization of a Borrower Insurance Subscription Funnel
    BANKING AND INSURANCE
    January 2026 - April 2026 (3 months)
    Paris, France
    Design and UX/UI optimization of a mobile subscription funnel.

    – Audit, UX analysis, and identification of friction points
    – Conversion-oriented thinking and funnel simplification
    – Optimization of information hierarchy and user decision-making
    – Mobile UI design consistent with business objectives and action clarity

    Work carried out in close collaboration with product and technical teams, with a pragmatic approach focused on efficiency and impact.
    User Experience Design UX Research UI/UX Design Banking and Insurance Mobile Design
  • Malt logoOn Malt
    UX/UI Design / Landing Page + A/B Testing Google Ads
    July 2025 - August 2025
    Landing Pages, Conversion & Digital Marketing

    Creation and UX/UI optimization of conversion-oriented landing pages, with the integration of reassurance elements (high-performing CTAs, micro-interactions, visual hierarchy).

    Implementation of structured A/B tests (design variants, wording, page structure) to validate best performance.

    Management of Google Ads campaigns associated with landing pages, consistent with user journeys and marketing objectives.

    Monitoring and analysis of key KPIs (CTR, conversion rate, cost per lead, ROI) to guide iterations and maximize results.
  • Nicolas Fournier Capifrance
    UX/UI Designer
    REAL ESTATE
    March 2025 - June 2025 (3 months)
    Paris, France
    Landing page + light SaaS CRM
    – UX and marketing research, design of a conversion-optimized landing page (catchy headline, benefits highlighting, clear call-to-action) + demographic data collection redirected to CRM.

    – Ultra-light SaaS CRM, including:

    Simplified dashboard to manage prospects (contact list, status, notes, agenda, monthly/annual sales, AI message generation API: dynamic content generation (email subjects, follow-ups, welcome messages) to personalize each contact outreach)

    Quick entry form connected to the landing page to automatically capture leads

    Consistent user flow between the landing page and the CRM space (smooth journey, graphical consistency)
    Figma User Interface Design CRM UI Designer SaaS

Reviews

5.0

Out of 2 ratings

N

Nicolas

Reviewed on 8/8/2025

Always professional, reliable, and punctual. After an e-commerce site and a landing page, Jack is now assisting us with the UI of our SaaS and A/B testing. A true trusted partner with great attention to detail.
S

Selenn

Selenn

Reviewed on 9/22/2024

Thank you Mehdi Jack for your responsiveness and efficient collaboration. Both proactive and attentive to my needs, I highly recommend his work for anyone looking to advance their projects.

Recommendations

SM
NF
Selenn Mateus and 1 other person have recommended Mehdi Jack

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Education

  • Google UX Designer Professional Certificate
    Google
    2023
    UX design, Ui design, Figma, desgin thinking, ideation, benchmark, personas, maquettes, prototypes, tests utilisateurs, personas
  • Master in Digital Project Management
    Openclassrooms
    2022
    Méthodologie agile, recueil des besoins fonctionnels, diagramme de Gantt, budgétisation sur Excel, charte graphique et éditorial, campagne de newsletter, audit de site web, SEO, KPI, proposition commerciale, roadmap, userstories

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