Leonidas has designed applications for up to 130 million users while at Nokia, and later, at Huawei. He is a multitalented UX/UI designer with a diverse portfolio in service design who's clients have included Adidas, Panasonic, Wärtsilä, Microsoft, and several tech startups. Leonidas speaks three languages and has worked with teams of all sizes.
Headed the user experience design for several mobile apps. Nordea is a Nordic financial services group operating in northern Europe and based in Helsinki.
Grew the user base from 100,000 to 300,000 users in 1 year, for the Siirto & Wallet apps using UX design techniques such as cognitive biases and design canvases.
Helped to establish a design system.
Trained in cyber security and GDPR regulations.
Designed interfaces for real-time mobile payments for the Nordics, and the European Instant Payment service.
Technologies: Sketch, InVision, Figma, Zeplin
Specialist UX/UI consultant
2016 - 2016
Bill & Melinda Gates Foundation
Served as a user interface design consultant for Bill & Melinda Gates Foundation led by M4ID agency. The project required innovating new approaches to the design of the labor ward in a low resource setting.
Collaborated with 20 designers to create a mobile application for an innovative healthcare digital offering.