FordPeprah

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Current

Embedded Firmware Engineer at Square Inc.

Languages

C
C++
Python
JavaScript
CoffeeScript
Racket

Volunteer

MathFOC at University of Waterloo
Math Devisor at University of Waterloo
Orientation Leader at University of Waterloo
Computing Director at University of Waterloo
Web Director at University of Waterloo

Education

Honours Bachelors of Computer Science
University of Waterloo

Github

hkpeprah

LinkedIn

ford.peprah

Recent Project(s)View More Like This

Gungi

Gungi is a fictional game from the Hunter X Hunter universe. It is described as a game harder to master than Go, and being incredibly open-ended due to the ability to reinforce your army from outside the board. The mechanics of the game are similar to those in Chess and Go. This project is currently a work in-progress.

View Project on Github

Employment History

Square Inc.

Embedded Firmware EngineeratSquare Inc.

June 2016 - Present

  • Firmware Engineer on the ESW New Product Development team.
  • Developed OSS Python library for programming and debugging embedded devices.
  • Developed firmware for ARM-based, and proprietary MCUs.
  • Implemented iAP2 External Accessory protocol for embedded iOS accessories.
  • Developed build system features for CMake-based build system.
Bloomberg LP

Software DeveloperatBloomberg LP

September 2015 - December 2015

  • Worked primarily in C++ with some Lua.
  • Worked as a member of the Application Middleware team.
  • Worked integrating Lua with C++.
  • Added administration capabilities to the middleware software.
  • Fixed bugs in the middleware software.
Pebble

Embedded Firmware DeveloperatPebble

May 2015 - August 2015

  • Worked developing features and fixing bugs in C for the Pebble Smartwatch firmware (Pebble OS).
  • Worked on new features and bugs in the Pebble Time firwmare.
  • Worked on the team bringing the 3.X firmware to the B/W watches.
  • Implemented an interruption policy for application windows and rewrote window handling for the firwmare.
Pebble

Embedded Firmware DeveloperatPebble

November 2014 - December 2014

  • Worked developing features and fixing bugs in C for the Pebble Smartwatch firmware (Pebble OS).
  • Implemented protocols for sending messages between the mobile device and Pebble.
  • Implemented migrations for files on the filesystem.
  • Worked on a two man team implementing timezone and localization support for the Pebble OS.
Pebble

Web DeveloperatPebble

September 2014 - October 2014

  • Worked with Ruby on Rails and NodeJS applications.
  • Identified and fixed an XSS vulnerabilities in the frontend web application.
  • Developed an Email Blacklist System to identify and prevent developers from being targets of spam.
  • Designed and developed a NodeJS application monitoring tool with CloudWatch for aggregation.
  • Developed features and fixed bugs in several Rails applications.
Second Funnel (Formely Willet)

Software DeveloperatSecond Funnel (Formely Willet)

April 2013 - August 2013, January 2014 - April 2014

  • Developed in Python, JavaScript, and Java.
  • Developed a python API using Tastypie to act as an interface between front end and backend systems.
  • Developed a queue-based web service to process and generate images to serve a frontend.
  • Designed a client-side A/B testing framework with Google Analytics backend.
  • Worked on a two-man team rewriting the front-end application from plain JavaScript to CoffeeScript with BackboneJS/MarionetteJS as frameworks.
  • Worked on the SecondFunnel flagship product, developing new features in Python, JavaScript and CoffeeScript.
Transport Canada

IM/IT ArchitectatTransport Canada

September 2012 - December 2012

  • Assisted with the planning of a department wide migration from a Windows XP infrastructure to to a Windows 7 infrastructure.
  • Analyzed the IM/IT requirements of various software.
  • Responded to client concerns and needs regarding software installations and security requirements.