Freelancer profile translated to English.
Back to original languageAbout Jérémy
👨💻 Senior Product Designer & UX/UI Designer - Expert SaaS and Agentic AI Product
⚡️ Super Malter – 15 years of experience
⭐️ 50+ projects – Rated 5/5
🚀 +40 SaaS products designed (Early stage, MVP → Scale)
⸻
What I do best
I help product teams design, optimize, or redesign SaaS products to make them:
→ clearer,
→ more performant,
→ and easier to scale.
I transform complex interfaces into fluid experiences, aligned with your business objectives, your KPIs, and the real needs of users.
My approach combines:
- product strategy,
- UX analysis,
- modern and engaging UI design,
- and robust design system to accelerate delivery.
⸻
My key expertise
🧭 UX Design & Product Strategy
- Comprehensive UX Audit (SaaS, conversion, onboarding)
- Product benchmarking & competitive analysis
- User interviews, testing, insights synthesis
- UX workshops: scoping, problem framing, co-design
- User journeys, wireframes & interactive prototypes
🎨 UI Design & Design System
- High-fidelity mockups (desktop, mobile, app)
- Redesign of aging / complex interfaces
- Creation of scalable UI kits
- Scalable design system (tokens, components, guidelines)
- Micro-interactions & animations
🔷 SaaS / B2B / Complex Products
- MVP design (early stage → V1)
- Onboarding & activation funnel optimization
- Product redesign to improve retention
- Journey streamlining & UX simplification
- Figma → Dev support (optimized handoff)
⸻
Tools
Figma ❤️, FigJam, Miro, Maze, Hotjar, Google Analytics, Notion, Loom
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👋 About me
15 years of experience in Product Design, with:
- large companies (internal SaaS & business tools),
- scale-ups,
- tech startups MVP,
- agencies & product teams.
⸻
📩 Let's discuss your SaaS
Do you have a product to optimize, an MVP to structure, or a design system to implement?
I'm available to talk about it.
English
Fluent
French
Native or bilingual
Can work on-site
Paris (up to 50km), Lille (up to 50km), Amiens (up to 50km)
Experience
- L'Oréal SA - L'Oréal FranceSenior UX Designer & Product designer - AI Global eCommerce Analytics platformE-COMMERCEOctober 2025 - Today (10 months)Paris, FranceAs part of the digital transformation towards agentic e-commerce for L’Oréal, I am supporting the teams across the entire UX and Product Design scope, from scoping to delivery.My involvement covers:
- User Research:Discovery sessions, user interviews (15+ stakeholders), workflow analysis, and insights synthesis.
- UX Workshops:Co-design workshops, needs mapping, journey mapping, and prioritization.
- User Interviews:Creation of interview guides, conducting sessions, feedback consolidation, identification of pain points and opportunities.
- UX Design:Wireframes, information architecture, user flows, and interactive prototypes.
- UI & Product Design:High-fidelity screens, visual guidelines, and creation of scalable components in Figma.
- Design System:Structuring foundations and components to ensure scalability across all markets and teams.
- Prototyping with Figma Make (AI):Creation of collaborative workflows, automated deliverables, and AI-powered prototypes.
This project combines user research, strategy, UX/UI design, and design systems to help L’Oréal build a consistent, effective, and AI-powered global BI platform. - DecathlonProduct DesignerSPORTSApril 2021 - September 2025 (4 years and 5 months)Paris, FranceUX & UI Design for +15 internal apps and productsfor Instore employees (Store): UX scoping, wireframes, high-fidelity UI design, and design system.Result:more engaging and performant digital tools, adopted at scale (used in +70 countries) which boosted employee sales performance and reduced their training time.Services provided:• UX scoping workshops with business teams to define needs and prioritize features.• User research and analysis of Instore employee journeys.• Design of wireframes and interactive prototypes.• Complete UI Design: high-fidelity mockups, animations, and interactions.• Use of the "Vitamin Play" design system to ensure consistency and speed of delivery.• Product support: from ideation to hand-off with the technical teamImpact:• Reduced employee training time• Improved in-store operational efficiency• More intuitive and engaging experiences for employees
- CreaBoostSenior Product DesignerSOCIAL NETWORKSNovember 2024 - September 2025 (10 months)Paris, FranceComprehensive support, from UX scoping workshops to product delivery, which enabled Creaboost to have a high-performing and differentiating SaaS platform, quickly becoming one of the leading AdTech solutions.
Missions performed:
• UX & Business Insights:Scoping workshops with stakeholders, user interviews, benchmarks, and critical journey mapping. Identification of friction points, prioritization of high-impact features, and alignment of all stakeholders around a clear product vision.• Interfaces & Prototypes:Design of wireframes, transformation into high-fidelity interfaces combining clarity, aesthetics, and functionality. Creation of a structured and scalable design system, delivered with an interactive prototype ready for testing and iteration.• Product Impact & Delivery:Design sprints, documentation for tech teams, and facilitated front-end integration. Support until final delivery, ensuring consistency and rapid deployment.Results
+4000 paying accountscreated at product launch53% conversionaverage after the 14-day free trial+100 acquisition agenciesconverted at product launch#
Reviews
M
Mariane
Product designer - Oddo BHF Asset Management SAS
Reviewed on 5/19/2026
I enjoyed working with Jeremy, particularly due to his autonomy, communication, and ease of collaboration. I want to highlight the quality of our collaboration and his ability to quickly understand the stakes, challenge needs, and propose relevant solutions. It's a pleasure to work with him, and I highly recommend him for any Product Design mission.
Raphaël
Owner - Ev Software GMBH
Reviewed on 3/5/2026
Jeremy and his team provided the solutions we were looking for with great professionalism.
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Education
- Digital Active CertificationGoogle2016
- RNCP Level III Webdesigner/Webdeveloper CertificationImage Formation2011
Certifications
- Google Digital ActiveGoogle2017