Haydn Vestal, Software Architecture Developer in Austin, TX, United States
Haydn Vestal

Software Architecture Developer in Austin, TX, United States

Member since March 4, 2015
Haydn has a wide variety of experience across companies from a two-person startup to Goldman Sachs and Google. His area of greatest consulting expertise is small- to mid-stage startups, but he also has experience with automated trading and Android development.
Haydn is now available for hire

Portfolio

Experience

Location

Austin, TX, United States

Availability

Part-time

Preferred Environment

Git, Eclipse, Erlang, Python, Java, Rust

The most amazing...

...product that I've worked on is Google Jamboard, the first hardware product from GSuite.

Employment

  • Software Engineer

    2015 - 2020
    Google
    • Developed a low-energy Bluetooth (BLE) communication protocol for Google Jamboard and Android and iOS Jamboard apps.
    • Designed and implemented customer identity authorization for Google Jamboard.
    • Developed the tools needed to keep Google's fleet of videoconferencing devices up and running on a day-to-day basis.
    Technologies: Google Cloud Spanner, Python, C++, Java
  • Associate

    2013 - 2015
    Goldman Sachs
    • Worked on Orbit Suite, Goldman's set of productivity apps: https://www.wsj.com/articles/goldman-sachs-to-spin-out-mobile-phone-software-projects-into-separate-venture-1445981960.
    • Developed the web version of Orbit Drive, Goldman's internal file-sharing app.
    • Developed the Android version of Orbit Drive, Goldman's internal file-sharing app.
    Technologies: MongoDB, Apache Tomcat, Java
  • Software Engineer

    2012 - 2013
    SNAP Interactive
    • Supported one of the most popular dating apps on Facebook.
    • Maintained and improved a high-traffic (~70 million users) service running on Linux/Apache/PHP/MySQL.
    • Spearheaded a major project to re-architect a search index/matching algorithm.
    • Created a machine-learning tool able to inform a user if they try to send a message which is unlikely to generate a response.
    • Went from almost 0% to almost 100% unit test coverage.
    Technologies: Linux, Apache, Memcached, MongoDB, MySQL, PHP
  • Software Engineer

    2011 - 2012
    Hotlist
    • Maintained and expanded Hotlist, a geo-social event aggregation startup.
    • Wrote a data ingester in Python to match data from Facebook Events, Google Maps, Foursquare, Citygrid, and more.
    • Participated in the re-architecture of the database deployment.
    • Wrote a machine-learning tool to match address data in different formats.
    • Wrote a machine-learning tool to identify duplicate venue and event records.
    Technologies: Linux, Solr, MongoDB, MySQL, Python
  • Senior Engineer

    2009 - 2011
    W3, Ltd.
    • Hired as a junior web developer and promoted to lead developer within a year.
    • Managed a team of five developers on one of the world's top 100 websites by traffic.
    • Re-architected Cron-based application services to event-driven asynchronous processing.
    • Scaled the application to support nearly 2x traffic growth.
    • Coordinated with a global team to manage technical updates to the site across nineteen countries and five languages.
    Technologies: Nginx, Xapian, Memcached, MySQL, PHP, JavaScript, HTML
  • Web Developer

    2008 - 2009
    Protect America, Inc.
    • Maintained a public-facing eCommerce website for a large home-security merchant.
    • Developed an internal application to support the sales department.
    • Developed an internal application to support the network marketing program.
    • Implemented a variety of site features and updates.
    • Participated in planning future architecture and features.
    Technologies: Linux, Apache, MySQL, PHP, JavaScript, HTML
  • Student Web Developer

    2007 - 2008
    University of Texas
    • Maintained the official website of UT's Division of Housing and Food Services.
    • Implemented a new website to support DHFS's diversity efforts.
    • Developed tools to dramatically improve site security.
    • Provided excellent technical support to DHFS users.
    • Contributed to the assessment of new technologies and solutions.
    Technologies: Linux, Apache, Oracle, PHP

Experience

  • Autotrader (Development)

    An automated stock-trading program developed to use machine learning and sentiment analysis to generate trading signals.

  • 3D-printable Wind Turbine (Other amazing things)
    http://www.thingiverse.com/thing:28773

    Not really a software project, but still, now you can download a wind turbine!

Skills

  • Languages

    Java, Python, PHP, Rust, C++, HTML, JavaScript, Erlang
  • Paradigms

    Rapid Prototyping, Agile Software Development, Functional Programming, DevOps
  • Storage

    MySQL, Xapian, Google Cloud Spanner, Memcached, MongoDB
  • Other

    Prototyping, Software Architecture, System Architecture, Lean Startups, OpenSCAD
  • Platforms

    Linux, Oracle, Eclipse, AWS EC2, Android, Amazon Web Services (AWS)
  • Libraries/APIs

    Google API, Facebook API
  • Tools

    Apache Tomcat, Apache, Nginx, Git, EAGLE, Ansible, Solr

Education

  • Coursework towards a degree in Computer Science
    2007 - 2008
    University of Texas - Austin
  • Coursework towards a degree in Chemistry
    2005 - 2006
    New York University - New York, NY

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