UX/UI Designer Senior Front-Office – Paris (IT) / Freelance

October 22, 2026

Office

Senior

Paris, France

Indeed

Keep in mind

Original vacancy is in French
You will likely need French for the job. The employer can confirm
Office-only work

Description

BIFORA is recruiting a senior UX/UI designer for a client in the social protection sector. The designer works transversely across both front-office areas (individuals and businesses) and focuses mainly on interface production with a strong UI emphasis, building on an existing design system. The client's user experience department gathers around a dozen people across four perimeters, including web analytics. Depending on maturity with complex business topics, a user research track may also be entrusted to the designer.

Responsibilities

Produce wireframes, high-fidelity mockups and interactive prototypes in Figma
Integrate technical realisation constraints while relying on the existing design system
Evolve the design system to guarantee visual consistency of interfaces
Ensure maintainability of the design system over time
Take part in upstream framing phases of projects with argued recommendations
Challenge design choices constructively within collective trade-offs
Organise and maintain the asset library and UI processes systemically
Guarantee screen quality through information hierarchy, legibility and affordance
Ensure consistency of interactions across interfaces
Design adaptive and robust interfaces for multiple terminals and contexts
Formalise and share clear UI deliverables usable by product, tech and business teams
Optionally conduct qualitative or quantitative user studies and report findings