UI Designer (m/f/d) - Figma

Project overview

Experienced UI Designer – Web Interfaces for Individuals & Businesses | Figma & Design System

Practical Information:

Department: Paris (75)

Start Date: 11/23/2026 (imperative date)

Project details

12 months, renewable (up to 48 months)

Contract: Permanent contract or freelance

Budget: 500 - 530 euros HT/day (depending on profile and seniority)

Remote Work: 2 days/week

Seniority: 6 years of experience minimum

Position Open: 1

Sector: Social Protection

Context:

As part of the development and improvement of its digital services, a major player in social protection wishes to strengthen its User Experience department, which consists of 12 employees working on digital journeys for Individuals, Businesses, back-office tools, and Web Analytics.

The mission primarily focuses on the design and production of user interfaces (UI) for front-office services intended for individuals and businesses, with a strong emphasis on visual consistency, accessibility, and interface maintainability.

The consultant will work transversally with the teams, leveraging an existing Design System. Real UI expertise is essential. Contribution to UX studies may also be considered depending on the consultant's mastery of the functional issues encountered.

Main Missions:

Technical Environment:

• Design wireframes, mockups, and prototypes on Figma, integrating technical constraints and components from the existing Design System.
• Contribute to the evolution and maintenance of the Design System, components, assets, and UI processes, using a modular design approach.
• Produce robust, adaptive, and accessible web interfaces, applying best practices for visual hierarchy, readability, affordance, and interactional consistency.
• Participate in design discussions, constructively challenge proposed solutions, and document UI choices to provide deliverables usable by the teams.
• Optionally, conduct qualitative or quantitative user studies and present the results in a structured format, according to the needs and skills of the consultant.
• UI Design & Prototyping: Figma, wireframes, mockups, prototypes, human-machine interfaces (HMI).
• Design System & Modular Design: Atomic Design, UI components, patterns, assets, systemic design.
• UI Design Standards: visual hierarchy, readability, affordance, interactional consistency, visual quality.
• Web & Accessibility: web interface design, responsive design, multi-screen interfaces, digital accessibility.
• UX & User Research: qualitative and quantitative studies, usage analysis, study reporting (desirable complementary skills).
• Methods & Collaboration: Agile, web development constraints, UI documentation, design choice argumentation, transversal work.
• Start: flexible
• Remote: hybrid
• Location: Paris, France, FR
• Rate: 63-66 EUR/h
• Languages: French