Rémi Charreau
Design Engineer @ Vibe.co
Design Engineer covering both design and front-end, end-to-end. I specialize in complex B2B SaaS — simplifying dense products and shipping interfaces that are functional and polished.
What I do
Product Design
Complex B2B interfaces from concept to polished UI — 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
Vibe.co · Design Engineer · Jan 2023 — Now
SaaS B2B. Progressed from product designer to Design Engineer to Growth — taking on increasing ownership across product, codebase, and marketing surfaces.
- Product design — UI mockups in Figma for the core product
- Design Engineer — implemented designs with Next.js, React, TypeScript, Shadcn & Framer Motion
- Built the first Creative Generator (video ads creator) in partnership with a colleague
- Onboarding flows for new clients
- Public site (vibe.co) & landing pages
Hexa/eFounders (Cohort) · Design Engineer · 2022
eFounders / Hexa — one of Europe's most prestigious startup studios. Shipped the first version of a B2B SaaS loyalty platform, owning the entire frontend.
- Back-office interface for brand teams
- White-label customer-facing platform
invoxia · Head of Product Management · 2020 — 2021
Hardware & SaaS B2B. Led two tracks: 0-to-1 GPS tracker launch and improvement of the existing SaaS platform.
- GPS tracker — roadmap & launch
- B2B SaaS platform improvements
DentalMonitoring · Product Manager & Designer → Head of Design · 2017 — 2020
MedTech SaaS B2B. 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
- Integrated ML algorithms into the patient scanning flow
- Managed the mobile team roadmap & delivery
- Designed the ScanBox — a physical hardware device
SimpliField · Product Manager & Designer · 2016 — 2017
SaaS B2B. Product design and feature delivery on a retail execution platform.
Freelance · Designer / Developer · 2011 — 2016
Websites and mobile apps for 27 clients across 55 projects — design and code.
- Websites built with CMS and JavaScript
- Mobile apps in Swift
Selected work
Learning
2025Animations.dev — Online course by Emil Kowalski
2022Refactoring UI — Book by Adam Wathan & Steve Schoger
2021How To Write Unmaintainable Code — Book by Roedy Green
2020TypeScript — Online course by Maximilian Schwarzmüller (udemy.com)
2020Next.js (beginner) — Online course by Maximilian Schwarzmüller (udemy.com)
2019The Design of Everyday Things — Book by Donald Norman
2019React.js — Online course by Maximilian Schwarzmüller (udemy.com)
2018(Design) Sprint — Book by Jake Knapp
2017Atomic Design — Book by Brad Frost
2016Designing Interfaces — Book by Tidwell, Brewer & Valencia
2016The Lean Startup — Book by Eric Ries
2015Swift — Online course by Lynda.com
2011JavaScript — Online course by Lynda.com
2007Flash & ActionScript 3 — Book