Zach Ahn

hello(at)zachahn(dot)com

Software Engineer

Senior Software Engineer

Aug 2019 to Present.

  • Managed a team of two interns. I provided technical and project guidance, answered questions, and connected them to stakeholders to build the right thing

  • Gradually rebuilt the internal admin site from a single page app to a Rails app. The new site immediately improved developer and admin productivity

  • Added introspectability, idempotency, and resiliency to our weekly bank deposits to merchants; added the option to have daily deposits

  • Updated a Haskell microservice to run more than once a day

Software Engineer

Jan 2016 to June 2019.

  • Integrated the application with a large online retailer; this project aged well and grew to become a large part of the business

  • Relayed messages between several chat platforms to allow for customers to chat with sales associates, support staff, and the professional matched to their booking

  • Upgraded the large primary Rails 3.2 monolith application to Rails 4.0, along with other various incompatible libraries, in two months

  • Wrote internal tools that each gained widespread adoption—one simplified making secure HTTP requests, a second prevented common errors around our feature flippers, and another simplified setting configuration

  • Built the ability to pair a booking to a professional, and to easily add new heuristics for finding the best professionals for a given job

Developer

Seelio

Aug 2014 to Aug 2015.

May 2012 to Aug 2012.

  • Reworked the build process in order that unmodified files would not be recompiled to save developer and deployment time

  • Built an asset precompiler for fingerprinting, compressing, and compiling assets for improved site performance

Developer

Competing Values

Oct 2012 to Aug 2014.

  • Wrote a self-assessment application using Ruby on Rails for medical students to assess their strengths in the context of the healthcare field

  • Collaborated with a designer to create a responsive WordPress theme and customizable widgets for JeffDeGraff.com using PHP and Twitter Bootstrap

  • Migrated self-hosted email, DNS, and web applications from a dedicated server to decrease costs and improve reliability

Skills & Interests

  • Working with stakeholders to build excellent solutions and looking for ways to get a feature to market faster
  • Writing software interfaces that are a joy to use and components that are easy to modify and remove

Education

Univeristy of Michigan – Ann Arbor
College of Engineering
BSE Computer Science
Class of 2014

Languages

  • Ruby, Ruby on Rails
  • JavaScript, TypeScript
  • SQL, PostgreSQL, MySQL
  • C++
Contact
hello(at)zachahn(dot)com
© Copyright 2008–2021 Zach Ahn