Sergio Leira, Designer in San Carlos de Bariloche, Río Negro, Argentina
Sergio Leira

Designer in San Carlos de Bariloche, Río Negro, Argentina

Member since December 15, 2017
Sergio has been a mobile designer since 2005. In his career, he has worked for globally recognized enterprises in the fields of mobile and web UI/UX design. Over more than 18 years of working with software, he has learned the importance of being a team player at all times, knowing the people involved in the process, and practices the fine balance between user focus design, business needs, and tech possibilities.
Sergio is now available for hire


Digital Design


  • Mobile UX/UI Designer—Health Tracking Mobile App

    2022 - 2022
    Jenevive Health LLC
    • Designed a mobile app that lets people track their health, especially for a certain disease.
    • Created an interactive prototype for all the improved flows and delivered a new UI for iOS and Android devices.
    • Delivered high-fidelity mockups ready for a development handoff.
    Technologies: Mobile Design, Mobile UI, Mobile UX, Mobile Mockups, Health, Health IT, Visual Design, UI Design, Mobile App Design, Prototyping, iOS, Android, Adobe Experience Design (XD), Design Systems, Component Libraries
  • UX/UI Designer

    2019 - 2022
    Sports Buff
    • Acted as the lead designer for the real-time fan engagement, gamification, and monetization audience platform. Included a desktop SDK, mobile app, Twitch app, website, and dashboard.
    • Created micro-interactions and iOS native solutions for the mobile app.
    • Designed an SDK solution for implementation as an OTT product.
    Technologies: Adobe After Effects, Zeplin, Adobe Photoshop, Adobe Experience Design (XD), Mobile UX Design, UI Motion, Figma, Gamification, Visual Design, Mobile Design, UI Design, Mobile App Design, Web Design, Prototyping, Dashboard Design, iOS, Android, Web Applications, Design Systems, Component Libraries


  • Photographer in Fine Art Prints
    2008 - 2012
    DB Photo Studio - Buenos Aires, Argentina
  • Bachelor's Degree in Graphic Design
    2002 - 2007
    Nueva Escuela de Diseño y Comunicacion - Buenos Aires, Argentina


  • Web Designer
    MAY 2017 - PRESENT
  • Fine Art Prints
    MAY 2007 - PRESENT
    Escuela de Fotografia DB - Buenos Aires, Argentina



San Carlos de Bariloche, Río Negro, Argentina

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