Tyler Childerhose

Technical

• C#, C, C++, Java
• Javascript, PHP, HTML, CSS
• Python, Lua, Batch, Shell
• SQL, ElasticSearch, CosmosDB/Gremlin
• Unity3D
• Visual Studio 2013-22|Code, Eclipse, XCode, Android Studio
• Android SDK, iOS SDK, Facebook SDK/API, Google Cardboard SDK
• .NET/Core, ASP.NET, Apache Tomcat, SmartFox, Terraform
• EntityFramework/EFCore
• DevExpress/DevExtreme, Magento2
• Azure, AWS
• Gradle, Apache Ant, Atlassian Bamboo, Azure DevOps, Jenkins
• Docker, Docker-Compose, VMWare, VirtualBox
• Atlassian Confluence, Atlassian JIRA
• GIT, SVN, NUGET, NPM
• Windows, Linux, Unix, MacOS

Non-Technical

• Excellent problem solving and adaptation skills
• I take pride in all of my work
• Able to work comfortably in both team and solo environments
• Hobbies include Boardgames, Video Games, Homebrewing and anything related to Technology

Apparatus GS | Lead Software Developer | 2022-07 → Present | London, ON

General Responsibilities

• Github
  • Admin and maintain Company’s Github repo
  • Constructed release procedure
  • Pull Request/Code reviews
  • Branch and User management
• Azure DevOps
  • In charge of managing all aspects of Azure DevOps
  • Created and maintained build pipelines using Azure DevOps
  • Monitor and Scale Up/Down App Services, Databases, Cacheing, etc. for optimal Cost/Performance ratio depending on usage
  • Tightened permissions and fix security issues with resources
  • Manage SSL Certificates and DNS Records
  • Manage FrontDoor loadbalancing and WAF Policy rules
  • Manage Firewall and Security rules
  • Manage alerts for availability service

Unnamed Project (.Net 6 - C#) | 2022-01 → Present

• .NET6 MVC server stack
• EFCore 6
• Razor Pages front-end with DevExtreme
• ElasticSearch and Cosmos/Gremlin Graphing database implementation for searching

Apparatus GS | Senior Software Developer | 2019-04 → 2022-07 | London, ON

Project Arch (.Net 6 - C#) | 2019-07 → Present

• .NET6 server stack
• In charge of designing and writing from scratch including Database structure
• API relay server that tightly integrates communication between services connected to it, such as multiple Magento2 store fronts and multiple Core Tools Software Applications
  • Wrote Magento2 modules to handle API requests to fetch data and manipulate User’s carts
• Built, deployed, and maintained a nuget package (net6.0, net471, etc) of shared models to be used in Arch and Core Tools Software Applications
• Setup to use a shared project that contains the main structure and code of Core Tools
  • Added defines to support .NET6 in the shared project that was originally .NET 4.7.1 only
  • Extended the EntityFramework Context to support EFCore

Core Tools (ASP.Net WebForms - C#) | 2019-04 → Present

• ASP.Net 4.7.1
• Profiled and improved overall performance of the system
  • Implemented caching logic
    • In-memory+redis logic to allow multiple servers to share a cache
    • Multi-platform support (net6.0, net471)
  • Changed inefficient data types and sorting algorithms to properly suited alternatives
  • Reduced amount of Database requests
• Improved reliability of the API endpoints of the system
  • Wrote documentation of the API endpoints of the system
  • Created health-check API endpoint for Azure availability service
• Helped with design and implementing new functionality to key components in the system
• Updated Password and Security requirements to match latest NIST standards
• Implemented support with OpenID Connect (OAuth 2.0) SSO
  • Multi-platform support (net6.0, net471)
  • Background sign-in
• Implemented a series of helper functions that utilize a strong Cryptology library (BouncyCastle) to allow easy to encryption/decryption for our developers to use
• Database management
  • Restructured some Database tables to be flatter and require less joins than needed
  • Wrote SQL Procedure scripts to migrate tables and their key constraints to use GUID primary keys

Big Blue Bubble | Game Programmer | 2013-05 → 2019-03 | London, ON

Concert Kings (Unity3D - C#) | 2018-04 → 2019-03

• .NET Core server stack
• In-App purchasing server verification
• Database and tables structure
• General bug fixes and gameplay programming

Super Dinosaur (Unity3D - C#) | 2016-08 → 2019-03

• In charge of researching real-time multiplayer and match making systems and determining the pros and cons of 3rd party (Photon, Unity) vs hand-made. Scope of the game eventually changed away from real-time multiplayer.
• General gameplay design and programming
• Help set up deterministic state combat system
• .NET Core server stack
• In-App purchasing server verification
• Implemented local and push notification module
• Database and tables structure
• Atlassian Bamboo to build and deploy the project
• Implemented tutorials
• Memory and performance optimizations

Game Jam - Tabby Terror (Unity3D - C#) | 2018-11

• 48 hour Game Jam where we have 48 hours to come up with a concept and develop a game prototype which will be presented to a group of judges
• Sole programmer of a single screen 3D multiplayer game (similar to “Overcooked”)

Jammer Splash (Unity3D - C#) | 2015-11 → 2018-04

• Wrote and implemented a Unity3D local and push notification module that supports multi-platforms (iOS, Android) which is currently used in most of our Unity3D games
• Game eventually pivoted to a different main game mechanic where I became the sole programmer in charge of revamping the game in a short timeframe
• Set up and maintained the following:
  • General bug fixes and gameplay programming
  • Entire Unity code base
  • SVN repo branches and cleanup
  • Facebook social features using Facebook’s Unity SDK and Graph API
  • Google Play, Apple, Samsung Galaxy and Facebook App stores
  • Adding new store In-App purchasing server verification
  • Java based Tomcat server stack
  • Database and Tables structure
  • Atlassian Bamboo to build and deploy the project
  • Seamless release management
  • Memory and performance optimizations
  • Implementing all current and future content

Game Jam - The Great Dive-Vinci (Unity3D - C#) | 2017-04

• 48 hour Game Jam: 48 hours to conceptualize and develop a game which will be included in the our “Home Arcade” game
• Programmed a Nintendo Gameboy inspired combo hitting game

Perfection Prototype (Unity3D - C#) | 2016-04 → 2016-07

• Part of a two person team to rapidly prototype games based on the board game “Perfection” including one in VR using the Google Cardboard SDK

My Singing Monsters: Dawn of Fire (Unity3D - C#) | 2015-06 → 2016-01

• Implemented Facebook social features into the game using Facebook’s Unity SDK and Graph API
• Wrote and implemented an In-App purchasing server verification module that supports multi-platforms (iOS, Android, Amazon) which is currently used in most of our games
• Set up Amazon App Store
• General bug fixes

Finder’s Keep (Internal C++ Engine) | 2012-07 → 2015-07

• General bug fixes and gameplay programming
• Wrote scripts that would parse a spreadsheet (which contained data for items, enemies, balance numbers etc.) and sync with a database
• Setup database and tables structure
• Java based Smartfox server
• Implemented and maintained combat systems
• Implemented new monsters and bosses into the game
• Set up Android and iOS App Stores

My Singing Monsters (Internal C++ Engine) | 2013-05 → 2013-08

• General bug fixes and gameplay programming

Extra Curriculars

• Was an active member of Social and Health Committees
• Helped host visiting groups and travelled to schools for Q&A
• Volunteered at conventions running company booth
• Founded and managed a weekly Board Game group reaching out to new staff to help make social connections and ease nervousness

Big Blue Bubble | Game Programmer Intern | 2011-05 → 2013-05 | London, ON

Dark Incursion (Internal C++ Engine) | 2011-11 → 2012-07

• General bug fixes and gameplay programming
• Ported game to Android
• Implemented controller support (wired and wireless)
• Memory and performance optimizations

I, Oracle (Internal C++ Engine) | 2011-06 → 2012-07

• General bug fixes and gameplay programming
• Developed RESTful PHP server
• Developed web based tool to organize user-submitted questions as well as push questions live into the game

Bug Splat (Internal C++ Engine) | 2011-09

SEP 2011

• Part of a 2 person team that developed an entire game in 48 hours during a local video game convention (Project Play). During this time people could come up and watch us work and ask questions.

Crash Canyon (Adobe Flash) | 2011-06 → 2011-08

• Developed 2 mini-games for a Flash game based on the TV show

Sonic Skins (Internal C++ Engine) | 2011-05 → 2012-06

• Sole programmer
• Completed and published in half the time allotted
• Added JPEG image compression support to the internal C++ engine

Boston Pizza | Line Cook | 2007-03 → 2011-05 | London, ON

• Part of the core team scheduled to work during the busiest times. Learned the importance of multi-tasking, good communication, stress management and team work in a fast paced environment.

Geek Squad | Technician | 2009-03 → 2009-11 | London, ON

• Provided computer repair and troubleshooting assistance to customers.

University of Western Ontario | BSc in Computer Science | 2007-11 → 2013-04 | London, ON

• Minored in Video Game Development.
• Completed 16 month internship with Big Blue Bubble during studies.

Regina Mundi Catholic Secondary School | 2002-11 → 2007-04 | London, ON

• Graduated with 93% Average
• Was a member of the Football and Archery Teams

Julian Davies Silver Medal | 2013-04 | London, ON

• Awarded annually to a student graduating in a Computer Science program who is judged to have made a significant contribution to inter-personal computer communications, with a particular reference to the communications handicapped.

CEMC Fermat Math Competition Certificate of Distinction | 2005-06 | London, ON

• Awarded to the top 25% of all competitors

CEMC Cayley Math Competition Certificate of Distinction | 2004-06 | London, ON

• Awarded to the top 25% of all competitors