# RΓ©mi Charreau > Design Engineer covering both design and front-end, end-to-end, with 16 years of experience. Specializing in complex B2B SaaS β€” simplifying dense products, shipping interfaces that are functional and polished, and driving growth through the sites and landing pages I build. > > 🟒 Available for freelance engagements. ## About - Location: Lyon, France - Currently: Design Engineer @ Vibe.co - Contact: remi.charreau@gmail.com - LinkedIn: https://www.linkedin.com/in/remicharreau - GitHub: https://github.com/RemiCharreau - Twitter: https://x.com/RemiCharreau ## What I Do ### Product Design Complex B2B interfaces from concept to polished UI β€” no handoff. In Figma. - User flows & wireframes - UI design & prototyping - Design systems & component libraries - Design tokens & theming ### Front-End Production-quality implementation of what I design. - Component architecture - Animations & micro-interactions - Responsive & accessible layouts - Performance optimization ### Growth Design and build of the surfaces that drive conversion. Statsig & Looker. - Landing page design & build - A/B test setup & analysis - Onboarding & activation flows - Funnel audit & optimization ## Work Experience ### Vibe.co β€” Design Engineer (Mar 2023 β€” Now) Acquired by Walmart in June 2026. Design Engineer covering both Product and Growth β€” taking on increasing ownership across the codebase, company website & landing pages. - Owned product features solo end-to-end, from mockup to deployment, using Next.js, React, TypeScript, Shadcn & Framer Motion - Implemented the design system & component library with shadcn/ui, styled to match Tailwind UI - Built the first Creative Generator (video ads creator) in partnership with a colleague - Solely owned onboarding flows for new clients - Solely owned the public site (vibe.co) & landing pages ### Hexa/eFounders (Cohort) β€” Design Engineer (Jun 2022 β€” Mar 2023) eFounders / Hexa β€” one of Europe's most prestigious startup studios. Shipped the first version of a B2B SaaS loyalty platform, owning the entire frontend and design. Cohort was acquired by Brevo in September 2025. - Built the design system from scratch - Back-office interface for brand teams - White-label customer-facing platform ### invoxia β€” Head of Product Management (2020 β€” 2021) Worked on improving the mobile app and improving their B2B SaaS offering. - Mobile app improvements - B2B SaaS platform improvements ### DentalMonitoring β€” Product Manager & Designer β†’ Head of Design (Dec 2017 β€” 2020) Embedded with a mobile team of 5 developers as both Product Manager and Designer to fully redesign the patient-facing scanning experience. - Full redesign of the mobile scanning experience - Created the mobile design system - Integrated ML algorithms into the patient scanning flow - Managed the mobile team roadmap & delivery - Designed the ScanBox β€” a physical hardware device ### SimpliField β€” Product Manager & Designer (2016 β€” 2017) Product design and feature delivery on a retail execution platform. - Built the design system from scratch ### Freelance β€” Designer / Developer (2011 β€” 2016) Websites and mobile apps for many clients β€” design and code. - Websites built with CMS and JavaScript - Mobile apps in Swift ## Selected Work - CSS-only 3D skewed tile background that reacts to the active category, paired with a recolored command palette for search. (2026) - Onboarding flow with hover and selection effects designed to create delight early in the experience. (2024) - B2B landing page featuring a multi-beam heartbeat effect and a custom iOS-style integrations showcase. (2025) - Video ad creator with a custom video player, timeline scrubbing, and auto-generation with editing capabilities. (2024) - A modal shown after the first campaign launch to add a moment of delight. (2023) - SaaS for custom loyalty and e-commerce programs, with advanced branding customization requiring deep Figma and front-end color work. (2022) - Personal SaaS for building a Notion-like document calculator with Excel as the backend for calculations. (2021) ## Learning - 2025 β€” Animations.dev β€” Online course by Emil Kowalski (https://animations.dev) - 2023 β€” Next.js β€” Online course by Maximilian SchwarzmΓΌller (udemy.com) - 2022 β€” Refactoring UI β€” Book by Adam Wathan & Steve Schoger (https://www.refactoringui.com) - 2021 β€” How To Write Unmaintainable Code β€” Book by Roedy Green - 2020 β€” TypeScript β€” Online course by Maximilian SchwarzmΓΌller (udemy.com) - 2019 β€” The Design of Everyday Things β€” Book by Donald Norman - 2019 β€” React.js β€” Online course by Maximilian SchwarzmΓΌller (udemy.com) - 2018 β€” (Design) Sprint β€” Book by Jake Knapp - 2017 β€” Atomic Design β€” Book by Brad Frost (https://atomicdesign.bradfrost.com) - 2016 β€” Designing Interfaces β€” Book by Tidwell, Brewer & Valencia - 2016 β€” The Lean Startup β€” Book by Eric Ries - 2015 β€” Swift β€” Online course by Lynda.com - 2011 β€” JavaScript β€” Online course by Lynda.com - 2007 β€” Flash & ActionScript 3 β€” Book ## Freelance β€” FAQ ### Are you only open to freelance contracts? No β€” I'm open to any contract type: freelance, salaried (CDI), fixed-term, whatever works best for you. The structure matters less to me than the project and the team. For foreign companies, I already run my own company in France and can invoice you directly, so there's no admin hurdle on that side either. ### Are you open to long-term engagements? Yes β€” long-term is what I prefer. I'm happy to commit to multi-month engagements so I can really get into the product, the codebase, and the team rather than just shipping one-off tasks. ### What's the minimum engagement? One month firm after the trial β€” that's pretty standard for US clients and gives both sides enough time to ramp up and ship something meaningful before deciding to continue. After that first month, the engagement rolls month-to-month with a 2-week notice on either side. ### How soon can you start? Usually about 1 month from signing β€” I always honor a clean handover with current clients. If something is more urgent, I can sometimes start with a few hours per week to unblock things while ramping up. ### Can we do a trial before committing? Absolutely β€” I usually suggest a 2 or 3 day paid trial (billed at my standard daily rate) on a small, well-defined piece of work. It's the fastest way to see if we click on communication, code quality, and design taste before signing up for something longer. ### What are your rates? Happy to discuss β€” it depends on scope, duration, and contract type. I offer a discount (typically 5–10%) for firm 3- or 6-month engagements β€” it gives you better predictability on cost and gives me better visibility on planning. ### Are you open to equity grants on top of cash? In general it's quite complicated to set up as a French resident β€” cross-border equity (especially from US startups) is tax-heavy and admin-heavy on my side. But if you already have the structure in place to handle it cleanly, I'm happy to take equity grants on top of a full-rate cash engagement β€” it's a nice way to align long-term. I don't take equity as a replacement for cash though: it only makes sense as upside, not as compensation. ### Can you invoice international clients? Yes. I run my own company in France and invoice clients worldwide in EUR or USD. For EU clients I handle VAT through reverse-charge; for non-EU clients (US, UK, etc.) invoices are issued without VAT. Payment by wire transfer, Wise, or Stripe. ### Do you sign NDAs? Yes, happy to sign whatever NDA you have in place. If you don't have one, I can provide a standard mutual NDA. ### Who owns the work you produce? The client β€” everything I produce (design files, code, assets) is fully transferred upon payment. No licensing, no clawbacks, no surprises. ### What if it doesn't work out? After the first month (which is firm), either side can end the engagement with a 2-week notice. I'll invoice for work done up to the end date and hand over everything in good shape: files, repo access, documentation. ### Do you do design or code? Both. I'm a Design Engineer β€” I own the work end-to-end, which removes the back-and-forth (and the loss in translation) between a designer and a developer. ### Are you using Figma? I've spent years in Figma and still know it well, but I use it less and less these days β€” mostly for preparing assets now. My current workflow: sketch on paper with a pen, then jump straight into code. It's faster, I iterate in the real medium, and the result is the same: production-ready interfaces. ### Is it a solo operation? Yes β€” no agency, no subcontractors. Clients work with me directly on Slack, Linear, Figma, GitHub, or wherever their team lives. ### Stack Favorite stack: Next.js, React, TypeScript, Tailwind, and Framer Motion on the front-end; Figma for assets when needed; Slack and Linear for day-to-day collaboration. Comfortable plugging into whatever the team already uses. ### Time zone Based in Lyon, France (CET/CEST). Usually wraps up around 7 PM local time β€” overlap until about 1 PM in New York and 10 AM in San Francisco.