Patrick Barrett

Patrick Sean Barrett
patrick@psbarrett.com

EDUCATION

Bachelors of Electrical Engineering
University of Minnesota, Minneapolis, MN

COMPUTER SKILLS

Operating Systems: Linux, macOS, Windows
Languages: Rust, C, Lua, Javascript, Python (Proficient); Erlang, OpenSCAD, Vala, HTML, CSS, Ruby, CUDA, Go, PHP, Latex(Intermediate/Stale)

WORK EXPERIENCE

Software Engineer

SmartThings -- Hub LAN Team | May 2017 - Current

• Contributed to the async lan interface re-write including:
  • TLS client & server support
  • Wake on Lan
  • Some portions TCP & UDP handling
• Moved functionality from cloud to hub to decrease cloud load, including:
  • Tracking lan device IP changes.
• Implemented various new features as needed using Rust in a mostly C codebase.

Software Engineer

Exosite | Sept 2016 - Feb 2017

• Designed and developed new embedded software library for Exosite's upcoming 'Advanced Device Connectivity' initiative.
  • Library was designed for robust device to cloud security using better than industry standard encryption & mutual authentication protocols while maintaining a very high level of developer ergonomics and ease of use.
• Assisted with the design of the 'Advanced Device Connectivity' cloud systems.

Technical Marketing Engineer

Exosite | Dec 2015 - Sept 2016

• Reviewed most of Exosite's marketing materials for technical accuracy.
• Attended industry tradeshows, fielding all questions about Exosite's technical products and helped potential customers understand if and how Exosite's products could help them build their IoT products.
• Remained as tier 3 customer support representative.
  • Handled most tickets that were suspected to be legitimate problems found in Exosite's systems.
  • Handled all questions about Exosite's CoAP API.

Applications Engineer

Exosite | May 2013 - Dec 2015

• Was the main technical customer support representative.
• Wrote, developed, and maintained Exosite's documentation and documentation website including a custom written static site generator.
• Helped create and run several training seminars designed for Exosite's partners.
• Helped in development and testing of the introduction of Exosite's CoAP API.

Associate Systems Engineer

Exosite | May 2012 - May 2013

• Worked as part of a team to develop various embedded software projects, switching projects as business needs changed.
  • Ported eLua to a new embedded platform, personally wrote modules to support modem AT command interface with modules to communicate using UDP, TCP, HTTP, and an abstracted interface to interact with our platform web API.
  • Sole developer and maintainer of Exosite’s official Arduino Library.
• Investigated various open hardware platforms and wrote example code to Exosite-enable the devices.
• Assembled prototypes to demonstrate potential customer applications.
• Various small projects including Javascript Widgets, Small PCB Population.

Recent Personal Projects

Stockfaces

Stock faces is a simple webapp that offers simple avatars of human faces for free, under a CC0 license. Faces were found using machine learning on a set of CC0 stock photos from Unsplash with face bounding boxes saved to an SQLite DB. A Rust web server serves redirects (as requested by unsplash) to the cropped images. Then an Elm frontend webapp serves a simple app to get image links.

Stockfaces

Tokio-CoAP

tokio-coap is a low-level CoAP library written in Rust for Tokio. Because it is built on tokio it uses fully async interactions. It is built to be as simple to use as possible.

tokio-coap is a work in progress, it is currently written using tokio-core directly, but will hopefully soon transition to tokio-proto or higher as the ecosystem matures.

Source

SEE MY WORK

• A Little More About Me

  • Personal Web Site

• Source Code

  • GitHub