Founder
2020 - PRESENTTinyChain- Developed a cloud service runtime featuring automatic cross-service transactions, automatic concurrency, and automatic GPU acceleration.
- Created a Python client that cross-compiled Python application code to TinyChain's native JSON representation.
- Built a self-sustaining business by offering custom software design and development services.
Technologies: Rust, Python 3, System Architecture, API Databases, APIs, Concurrency, GPU Computing, Microservices, Machine Learning, Neural NetworksSoftware Engineer
2015 - 2020Google- 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++, JavaAssociate
2013 - 2015Goldman 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, JavaSoftware Engineer
2012 - 2013SNAP 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, PHPSoftware Engineer
2011 - 2012Hotlist- 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, PythonSenior Engineer
2009 - 2011W3, 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, HTMLWeb Developer
2008 - 2009Protect 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, HTMLStudent Web Developer
2007 - 2008University 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
Haydn Vestal
Software Architecture Developer in Austin, TX, United States
Member since April 7, 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
- TinyChainRust, Python 3, System Architecture, API Databases, APIs, Concurrency...
- GoogleGoogle Cloud Spanner, Python, C++, Java
- Goldman SachsMongoDB, Apache Tomcat, Java
Experience
- Linux 15 years
- Software Architecture 10 years
- Java 7 years
- Microservices 5 years
- Python 5 years
- Rapid Prototyping 4 years
- Rust 3 years
- Lean Startups 2 years
Availability
Part-time
Preferred Environment
Git, Python, Java, Rust, IntelliJ, Linux, CLion
The most amazing...
...product that I've worked on is Google Jamboard, the first hardware product from GSuite.
Employment
Experience
- Autotrader
An automated stock-trading program developed to use machine learning and sentiment analysis to generate trading signals.
- 3D-printable Wind Turbinehttp://www.thingiverse.com/thing:28773
Not really a software project, but still, now you can download a wind turbine!
Skills
Languages
Rust, Python, Java, PHP, C++, HTML, JavaScript, Erlang, Python 3Paradigms
Rapid Prototyping, Agile Software Development, Microservices, Functional Programming, DevOpsStorage
MySQL, Xapian, Google Cloud Spanner, Memcached, MongoDB, API DatabasesOther
Prototyping, Software Architecture, System Architecture, Lean Startups, OpenSCAD, APIs, Concurrency, GPU Computing, Machine Learning, Neural NetworksPlatforms
Linux, Oracle, Eclipse, Amazon EC2, Android, Amazon Web Services (AWS)Libraries/APIs
Google API, Facebook APITools
Apache Tomcat, Apache, NGINX, Git, EAGLE, Ansible, Solr, IntelliJ, CLion
Education
- Coursework towards a Degree in Computer Science2007 - 2008University of Texas - Austin
- Coursework towards a Degree in Chemistry2005 - 2006New York University - New York, NY
