Yum Brands!, Chicago, IL

Staff Software Engineer, 2023 - Present

Senior Software Engineer, 2021 - 2023

• Developed, Deployed and Maintained a modern Android-based Point of Sale (POS) system to 8,000+ Taco Bell U.S. locations and other Yum! Brands restaurants
• Held role as a squad lead on a sub-team with high level of code and defect ownership and team mentoring – Ensured adoption of modern Android development practices on the team - Kotlin, Compose, Coroutines, MVVM, Modularization, Testing – Helped implement a peer-to-peer based in-restaurant data replication system backed by Couchbase database – Contributed to cloud synchronization architecture using Couchbase, MQTT and GraphQL based APIs – Architected an industry leading customer loyalty system on the POS – Led the internship program on the team and contributed to internal training of other Yum! Brands employees in Android development – Monitored and debugged production deployment status to ensure a high uptime and proactively helped asses outages – Implemented hardware integrations with receipt printers, cash drawers, card payment terminals and more

Groupon, Chicago, IL

Software Development Engineer - Android, 2019 - 2020

• Maintained a large Android native application with over 200m downloads, 4.6 star rating and millions of daily users
• Led the modernization of the search experience by exposing a Google map with results in addition to results list
• Frequently mentored other team members on Android framework and best architecture practices
• Collaborated with QA, product managers and designers through a scrum-based workflow
• Improved Groupon’s Jenkins CI flow by adding automated code quality tasks on each build
• Routinely implemented new features with AB testing and conversion tracking metrics
• Responded to on-call alerts by investigating production issues and leading efforts to deploy patches

iFit, Logan, UT

Mobile Developer, 2017 - 2019

• Developed and maintain cross platform (Android and iOS) applications with Xamarin
• Used REST APIs, SQL database, MVVM, and async/await parallel code
• Implemented In App Purchases through Google Play and iTunes
• Used ReactiveX to make a responsive UI experience
• Worked with mobile Bluetooth LE stack to communicate with fitness equipment

Pony Express Productions, Logan, UT

Software Developer, 2017-2017

• Developed a native Android application to help organize family activities
• Maintained a kiosk-like Android application for managing in-storecustomer loyalty programs
• Added new features to a legacy ASP.NET website used by a large manufacturing company

Utah State University, Logan, UT

CS Lab Section Leader, 2016

• Instructed multiple 25-student lab groups twice a week
• Contributed code to an automated homework grading server
• Managed online course page and grades
• Helped students one-on-one to understand basic programming constructs

Clearwater Analytics, Boise, ID

Software Development Intern, 2016

• Developed a specialized reporting system for investment accounting
• Extracted investment data, performed calculations and saved into an SQL database
• Developed a modern web application using Angular 2 and TypeScript

Icon Health & Fitness, Logan, UT

Software Technician, 2014 - 2016

• Android and iOS UI Automation for regression testing
• Set up deployment on a Continuous Integration server and results management
• Managed a project on a small agile team, and training other developers in git, agile etc.
• Communicated bugs and other code issues to developers through an issue tracker and meetings
• Knowledge of Bluetooth wearables and connected fitness equipment

Dude Where’s My Train

github.com/FabioCZ/dude-wheres-my-train

A simple Node.js server backed by Firebase database to monitor the on-schedule performance of Chicago’s CTA Blue Line trains amidst the post-pandemic transit crisis in the city, used by Commuters Take Action

Chi L Track for Tibyt

github.com/FabioCZ/tidbyt-chi-l-track

A Starlark (Python dialect) application for a home LCD screen to show the upcoming arrivals at a selected Chicago CTA L train station

Notification Repeater

github.com/FabioCZ/NotificationRepeater

A workaround application for Xiaomi’s Android implementation, which fixed a bug preventing certain notifications from being shown. Downloaded by 15k+ users and covered by several tech blogs, for example this article on xda developers

UnitsNet

github.com/angularsen/UnitsNet

Contributed several units-of-measure definitions and unit tests to this widely used .NET library

Elektro

github.com/FabioCZ/Elektro

A simple calculator-like Android application to help with money tracking in the Power Grid board game

CS1 CSV Merger

github.com/FabioCZ/Cs1CsvMerger

While employed as a lab section leader for the Computer Science 1 course at Utah State University, I made a WinForms app that interacted with the Canvas API to extract grades into a spreadsheet format.

2Risky

https://github.com/FabioCZ/2Risky

A Risk-like game written with C# and Universal Windows Platfroms. Part of a group project for the Software Engineering course at Utah State University. I contributed majority of the UI portion of the app.

Intersection Sim

github.com/FabioCZ/IntersectionSim

Final project for Utah State University’s Artificial Intelligence class. This application simulates a busy roundabout intersection, and uses a minimax algorithm to schedule cars to enter the roundabout with the smallest possible wait time.