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Florence Cousergue

Creative Developer
Former Product Designer turned passionate Creative Developer, trained at 42 Paris. I bring 5+ years of UI/UX experience working closely with engineering teams.

Work Experience

StudentJanuary 2024 - Present
Creative Developer
  • Transcendance: Full-stack development of a multi-user web application (online Pong game). Backend with Fastify (Node.js), SQLite database, and JWT authentication. Frontend using TypeScript + Tailwind CSS, with real-time sync via WebSockets. Microservices architecture and Solidity smart contract for score storage on the Avalanche Fuji blockchain. CI setup, centralized logging with ELK stack, and fully Dockerized deployment.
  • Inception: Containerized infrastructure using Docker Compose (Nginx, WordPress, MariaDB…). Manual setup of secure networking, persistent volumes, and SSL, automated with Bash scripts and Makefiles.
  • ft_irc: Creation of an IRC server in C++ using sockets, with multi-client handling and support for standard IRC commands. Implementation of user authentication and concurrent management of users and chat channels.
  • minishell: Reproduction of a minimal UNIX shell in C with full command parsing (quotes, pipes, redirections, etc.). Implementation of fork, execve, redirections, signal handling (SIGINT, SIGQUIT), and environment variable management.
Transcendance Project
24iSeptember 2020 - March 2024
Product Designer
  • Collaborated daily with backend and frontend developers to design and implement new features across streaming apps and web platforms.
  • Used JIRA and Git-based workflows in Agile sprints to manage tasks, track bugs, and contribute to feature rollouts.
  • Advocated for technical feasibility during design, helped debug integration issues, and improved developer handoff with detailed specs and structured assets.
  • Gained deep exposure to REST APIs, JSON structures, and developer tools across platforms (TV, mobile, web).
La Poste GroupeJune 2020 - September 2020
Product Designer
  • Partnered with software engineers to ship UI improvements across La Poste's mobile and web products.
  • Supported QA and user testing cycles by identifying edge cases, testing backend-driven flows, and optimizing UI/API interaction.
  • Facilitated communication between design and tech teams, focusing on efficient rollout of user-facing features.
Air FranceJanuary 2018 - May 2020
Marketing Art Director & UI Designer
  • Led the design and release of two new digital services (mobile app + web platform) in close collaboration with external development partners.
  • Defined design specs and provided technical support during integration, ensuring seamless backend connection and scalable frontend behavior.
  • Spearheaded cross-functional alignment between marketing, design, and development to streamline deployment of MVPs.
  • Projects included: Expleo – Urban audioguide app with geolocation and media streaming; Paperplane – Participatory money pot web app integrated with booking and payment systems.
FreelanceSeptember 2016 - December 2017
Art Director
  • Led branding and packaging design for startups and agencies, managing visual identity across print and digital channels.

Studies

42IT Solutions Designer and Developer (March 2024 - November 2025)
PenninghenMaster's Degree, Art Direction, Graphic & Digital Design (2014 - 2016)
Moholy-Nagy University of Art and Design, BudapestStudent exchange program (2015)
PenninghenBachelor's Degree, Visual Communication (2011 - 2014)

Technical skills

FigmaAble to prototype in Figma with Once UI with unnatural speed.
Figma
Next.jsBuilding next gen apps with Next.js + Once UI.
JavaScript
Next.js