Tim Mason

Senior Director of Engineering, Devices Platform — Mobile at Square

San Francisco, California, United States

About

Experience

  • Square (7 yrs 8 mos)
    • Head of Devices Software Engineering
      Mar 2021 - May 2025 · 4 yrs 3 mos

      Senior Director for the Devices Software Engineering org consisting of... SQUID (Square OS - AOSP based) • Squid Platform Infra • Squid Platform Apps • Terminal & Registers Exp Developer Infrastructure • Test Rack • Developer Experience • CI Infra Connected Hardware • Embedded Software • Connected Devices (1st & 3rd party) • Devices Fleet Mgmt Infra Devices (EMV) Payments

    • Engineering Lead, Point of Sale Product
      Oct 2017 - Feb 2021 · 3 yrs 5 mos

      Engineering Lead / Director for the POS Product Organization consisting of... Square POS (SPOS for iOS, Android, Square ASOP for Devices) • Core Experience • Expansion • Personalization Virtual Terminal / Web SPOS Square Device Experience (Android Apps for Square AOSP) Square Onboarding Employee / Team Management (RelOps and QA - for a period)

  • CTO & Co-Founder at Ringly
    Jan 2014 - Dec 2017 · 4 yrs

    Team building and managing a talented group of hardware, software and product folks in producing holistic wearable product offerings. Driving forward R&D, product and partnerships with a design and fashion first approach for wearable solutions covering notifications, health/wellness, shopping activity, payments and access. Featured in Time Magazine's "The 25 Best Inventions of 2014".

  • Engineering Manager, Mobile Apps at Etsy
    Feb 2012 - Jan 2014 · 2 yrs

    Developed iOS app, then moved onto championing and building Android. Scaled up iOS and Android and took on the management of Android and iOS teams. All the while, worked tightly and productively with Design & Product leads to form a solid and award winning Mobile Apps teams for transitioning Etsy to a 'mobile first' company.

  • Director of Mobile (Senior Member Technical Staff at Ebay) at Hunch Inc. (acquired by Ebay)
    Mar 2010 - Mar 2012 · 2 yrs 1 mo

    Mobile product definition, design and development. iOS + Android. Built and released three iPhone applications for Hunch, including 'hunchable' (featured in AppStore main banner), Streetcorners (location based recommendation app) and finally Hunch Mobile (algo/AI + social recommendation app). Designed and managed mobile web offering.

  • Senior Software Engineer @ Wesabe, Inc. at Wesabe Inc.
    Jan 2007 - Dec 2009 · 3 yrs

    Develop a myriad of tech to support financial tracking for consumers. For instance, a Firefox extension (securely record and playback generalized sessions), Javascript Encryption Libraries, Mac Dashboard Widget (implementing keychain support), data visualization via processing.js, XULRunner and Ruby/Rails hackery. Wesabe iOS App & API.