Freelancer profile translated to English.
Back to original languageAbout Sonia
UI/UX Designer specializing in business software and complex interfaces.
I design work tools used daily by operational teams: decision-making dashboards, secure business applications, information-dense management platforms. My clients include software publishers, IT consulting firms (ESN), and industrial groups (Defense, Space, Energy, Industry).
What I bring:
- High-fidelity UI design for information-dense interfaces
- Scalable and documented Design System to accelerate delivery
- Consistent visual identity and graphic systems
- Figma to technical team handoff (components, documentation)
Some contexts:
- Confidential business decision interface (Defense sector) — Confidential space supervision application (Defense/Space sector, ESN)
Available in Toulouse and remote. Accustomed to NDA constraints and demanding environments.
French
Native or bilingual
English
Fluent
Can work on-site
Toulouse (up to 50km)
Experience
- Confidentiel - Application "Opera System"UI/UX Designer — Design of an operational command interface for DEFENSE & MILITARYDEFENSE AND MILITARYJanuary 2026 - Today (5 months)Toulouse, France🎯 Challenge: Design from scratch the architecture and interface of a military command tool, intended to convince the army to acquire the solution — without direct access to end-users, with a former general as the business referent.🛠Missions performed:UX Design from scratch: Modeling of the complete operational logic (resource input → allocation → constraints → scenario calculation → decision-making), deduced from the brief and feedback from the business referent.UI Design adapted for operators: Design choice inspired by PowerPoint — a tool mastered by military operators — for inputting exercise areas and their configuration, to reduce the learning curve.Design within technical constraints: Worked in tandem with an HMI developer to align visual choices with available libraries, without compromising aesthetic requirements.Dark mode & high density: Interface optimized for command environments (dark rooms, large screens), with simultaneous management of complex data and multiple scenarios.✨ Result: High-fidelity mockups delivered for commercial demonstration to the army. Confidential mission — details available upon request.
- Confidentiel — ESN secteur Défense/SpatialUI Designer — Commercial demonstration prototypeDEFENSE AND MILITARYMay 2025 - Today (1 year and 1 month)Toulouse, FranceSector: Defense & SpaceDesign of a high-fidelity interactive prototype for a space supervision application, intended to be presented at the Paris Air Show to strategic decision-makers.🎯 Challenge: Design in 3 weeks a dense and animated interface, sufficiently advanced to be handled autonomously by non-technical executives, while competing with an established competitor application.🛠Missions performed:Competitive analysis: Study of the sector's reference application to identify UX improvement areas without losing the familiarity of target users.Information architecture: Design of a main screen with retractable panels, allowing the operator to customize their view according to the operational context.High-fidelity UI Design: Dark mode interface optimized for dark room environments on large screens, with high information density and complex visual hierarchy.Interactive prototyping: Delivery of a clickable and animated Figma prototype, with video exports as a backup solution for offline demonstrations.✨ Result: Prototype successfully presented at the Paris Air Show. Positive feedback from executives on the quality of the demonstration.
- Agence AlterEgo (client : ATVR Energie)UI Designer & Web Integrator — Visual identity and showcase website - ENERGY sectorENERGY AND UTILITIESJune 2024 - Today (2 years)Toulouse, France🎯 Challenge: Create the first independent web presence for an energy transition consulting firm, in collaboration with the AlterEgo agency and the communication manager of the Alliaserv group — to move away from third-party platforms that imposed their visual identity.🛠Missions performed:Art Direction: Definition of a consistent visual system (palette, business iconography, and values) in line with the group's communication strategy.Style exploration: Proposal of 3 visual directions at different illustration levels to determine the visual positioning suitable for their industrial clientele.UI Design (Figma): High-fidelity mockups structuring information hierarchy for a professional B2B audience.Full WordPress integration: Website development, plugin configuration (cache, forms, reCAPTCHA), connection to the PlusquePro plugin for customer reviews.Continuous maintenance: Technical monitoring and updates since delivery.✨ Result: ATVR Énergie's first own and independent web identity, deployed and maintained in production.
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Education
- Infographiste Designer Web - Niveau 5 - Bac+2AP Formation2022
- Specialized Master (Master's Degree) in Technological and Environmental Risk ManagementInstitut National Polytechnique Toulouse2015