Jérôme Vercey is a Senior UX/UI Designer based in Montreal with over 11 years of experience crafting web and mobile experiences and more than six years specializing in mobile UX. Trained in communication and multimedia, he blends visual design, front-end development and user research to deliver polished interfaces, prototypes and usability-tested products. He has led design teams and established UX best practices at agencies and product companies, driving design systems and cross-functional collaboration. Beyond design, Jérôme is an active full‑stack contributor to notable open-source .NET projects—most prominently Uno Platform—bringing hands-on experience with UI frameworks, WebAssembly and cross-platform tooling. His background working with clients like National Geographic, BDC and Industrielle Alliance gives him a strong sense for both brand-driven visuals and pragmatic engineering constraints. Comfortable switching between pixel-perfect mockups and code-level fixes, he is a designer who ships production-ready solutions.
11 years of coding experience
2 years of employment as a software developer
Licence, Multimédia, DUT, Services et Réseaux de Communication, Licentiate degree, Information Technology, Licence, Multimédia, DUT, Services et Réseaux de Communication, Licentiate degree, Information Technology at Université Marie et Louis Pasteur
University of Strasbourg
Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-codebase apps from any IDE. Hot Reload included! 90m+ NuGet Downloads!!
Role in this project:
Full-stack Developer
Contributions:50 releases, 5218 reviews, 6941 commits in 4 years 9 months
Contributions summary:Jérôme primarily worked on the Uno Platform for building cross-platform applications, contributing to both UI and underlying functionality. Their commits focus on UI enhancements and bug fixes, evident in the adjustments for deprecated members and the modification of source code files. Furthermore, they contributed to the UI framework by implementing features like the `VariableSizedWrapGrid` and by optimizing the visual rendering of UI elements and their interaction with external dependencies.
Create, update and deploy Nuget Packages with a GUI
Role in this project:
Full-stack Developer
Contributions:17 reviews, 39 commits, 60 PRs in 1 year 4 months
Contributions summary:Jérôme primarily contributed to the integration of Uno Platform targets for the NuGet Package Explorer, enhancing its cross-platform compatibility. They made substantial changes to the application's UI and core functionality to support the Uno Platform, including updates to the app's main structure and dependency management. Further contributions involved incorporating new features and fixing issues specifically related to the WebAssembly (WASM) build, such as updating the instrumentation key for application insights and addressing download issues.
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Jérôme Vercey - Senior UX UI Designer at Explorance