Turning complex SaaS into beautiful, simple
experiences.
Hi, I'm Lucas, Freelance Lead Product Designer in Paris. I specialize in B2B SaaS products.
8 years freelancing internationally, former Head of Design at Agorapulse, 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
60+
Clients worldwide
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How I turned an outdated, clunky web and mobile app to one of the most awarded & top rated Social Media Management tool in the market.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.
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.
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.
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)