Turning complex SaaS into beautiful, simple
experiences.
Hi, I'm Lucas, Freelance Lead Product Designer in Paris. I specialize in B2B SaaS products.
Previously, I was Head of Design at Agorapulse and led Product Design at Renault Digital.
Nielsen Norman Group certified in UX Research and UX Management.
14
Years in Design
55k+
Users on designed products
180+
Countries reached
UX
UI
DESIGN SYSTEM
From zero to hero
How I turned an outdated, clunky web and mobile app to one of the most awarded & top rated Social Media Management tool in the market.
UX RESEARCH
UI
DATA VISUALIZATION
Taming the beast
Hundreds of scattered Excel files across a global organization. Turning that chaos into one beautiful analytics platform, used in 19 countries.
LEADERSHIP
DESIGN OPS
UX RESEARCH
Follow my lead
No design department, no UX Research, no UX maturity in a fast growing scale-up? No problem.
BRANDING
ART DIRECTION
UI
Is this magic?
Give me a generic, dull image-stock looking SaaS' branding to transform, I'll give you+214% subscriptions and design awards.
MENTORING
TEAM TRAINING
DESIGN CULTURE
Level up your UX
UX is more than designing screens. Learn UX Research, measure the ROI of your work, incorporate Data in your designs. I can teach you and your team.
Testimonials
From the people I've worked with
Want to have a chat?
Made with love and care by Lucas Lengagne, 2026©
(Psst! Wanna know a secret ? I also create underwater films)