Freelancer profile translated to English.
Back to original languageAbout Mathieu
Are you launching a product or looking for more real usage on your application?
I will help you design gamified systems to create regular and measurable engagement.
I work on user journeys, key features, and engagement mechanics, in close collaboration with product teams and with a clear objective: to keep your users coming back.
🔗 mathieubrunet-productdesigner.framer.website
💡 What I do
- Design and redesign of SaaS applications and internal tools
- Structuring of features and product logic
- UX Design: user journeys, prioritization, UX decisions
- UI Design: wireframes, key screens, and prototypes on Figma
- Translation of usage into actionable KPIs
- Continuous collaboration with product and tech teams
🚀 Approaches
- User engagement and activation through gamification
- Design of features integrating AI
🛠️ Deliverables
- Figma (wireframes, screens, prototypes)
- UX / functional specifications
- Clear and actionable product recommendations
📩 Whether you are looking for design support within your team or targeted intervention on an existing product, let's discuss your context.
French
Native or bilingual
English
Native or bilingual
Can work on-site
Paris (up to 10km)
Experience
- Fedhubs PlayProduct Designer / GamificationSOFTWARE PUBLISHINGMay 2026 - June 2026 (1 month)Paris, FranceProduct Designer on Fedhubs Play, a platform that transforms restaurant visits into measurable engagement journeys through reward and recommendation mechanics.Mission: design a product system capable of generating acquisition, recurrence, and revenue for merchants while maintaining a simple and motivating user experience.
- Design of the complete B2C journey: activation, rewards, missions, progression, and retention
- Structuring of behavioral loops connecting real actions, restaurant validation, and rewards
- Design of a business-oriented gamification system (acquisition, UGC, referral, visit frequency)
- Definition of progression mechanics, feedback, cooldowns, and gratification moments
- Design of B2B interfaces for validation and ROI tracking for merchants
- Continuous optimization of journeys to reduce friction and maximize behavior repetition
Results:- Creation of a unified product framework linking rewards, real actions, validation, and re-engagement
- Implementation of a gamification model directly connected to restaurateurs' business objectives
- Design of a scalable architecture allowing integration of acquisition, retention, UGC, referrals, and event-based missions
- MVP finalized and ready for field deployment with the first partner restaurants
- KrilupProduct Designer / GamificationSOCIAL NETWORKSSeptember 2025 - April 2026 (7 months)Paris, FranceProduct Designer on Krilup, a B2B SaaS platform dedicated to LinkedIn prospecting.Mission: design engagement mechanisms to encourage product adoption, regular usage, and conversion to the paid offer.• Design of missions, objectives, progression systems, and engagement analytics• Definition and tracking of activation, retention, and conversion KPIs• Design of Free → Premium journeys• Contribution to UX scoping for AI features and LinkedIn automations• Product iterations through user testing and behavior analysisResults:• 90% of users adopted AI-generated comments• 35% of activated users complete their daily routine• First conversations generated from Day 2• 20% of activated users remained active for several months• 15% of activated users converted to the paid offer
- Fedhubs QuestProduct Designer / GamificationSOFTWARE PUBLISHINGApril 2025 - March 2026 (11 months)Paris, FranceFreelance Product Designer interventions on a B2C/B2B digital product, with a dual objective:1. create a gamified referral system for end-users,2. provide B2B stakeholders (restaurants) with concrete and actionable indicators.Gamification was designed as a measurable product lever, integrated into the core usage and aligned with business objectives.Scope & Responsibilities
- Design of a structured engagement system (quests, progression, timing, feedback, symbolic rewards) applied to real usage.
- Design of engagement loops (activation, recurrence, reactivation) connected to measurable field actions (e.g., QR scan / validation).
- Translation of user interactions into actionable B2B metrics (conversion, recurrence, ambassador value).
- Qualitative / field UX research to align user behaviors and business constraints.
- Design of flows, wireframes, and prototypes (Figma) + UI structuring.
- Definition of KPIs and product events necessary for B2B management.
- Design of an AI-assisted recommendation module, transforming minimal user input into a written and immersive recommendation, aligned with the product's universe (UX scoping + narrative coherence, in conjunction with the dev team).
Results- Implementation of a coherent and instrumented engagement system, enabling the connection of user usage and business insights for restaurants.
- Field test observations: triggering of concrete actions (e.g., scans/QR interaction, engagement with mechanics), confirming the attractiveness of the system.
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Education
- UXUI BootcampLa Passerelle2023Formation intensive et complète au métier de UX et UI design
- Baccalaureate in Tertiary Science and Technologylycée Douanier Rousseau2002Baccalauréat sciences et technologies tertiaires