Luke Yen Email and Phone Number

Dedicate efforts between R&D and Gameplay projects. Provide mentoring, 360° consultation, and support cross-team collaboration.- Served as technical lead on a major UI refactor effort of in-game workout selection menu and heads-up-display (HUD). Supported the integration of 3rd party UI technology (Noesis) and improved existing architectural pattern.- Researched and then led the implementation of the Climb Portal [https://zwiftinsider.com/climb-portal]. Besides directly involved in the feature implementation, also provided technical guidance for three other game engineers on the project. Collaborated closely with Zwift server team and supported the team's work that enables players joining from different game worlds the ability to see each other in the Climb Portal. - Researched and developed a semi-scriptable gamified AI system.- Researched and prototyped four unannounced game mechanics/features.

Managerial support for 18 engineers and provided high-level technical contribution. - Provided high-level technical guidance and facilitated cross-teams discussion for major engineering efforts.- Bridged between game engineering team with cross functional teams, including both internal teams and external contractors.- Supported change management through company wide re-org, COVID, major process changes...etc.- Led the effort that reduced game application crash rate down from an average of 3% to below 1%.- Supported hiring and interviewing for multiple cross-functional teams. Grew the game engineering team from 11 to 18 engineers in a span of 18 months.- Provided advice and consultation from associate level engineers to VPs.

Technical contribution as well as providing people management support for 11 engineers.

- Improved terrain heightmaps and road/route system from single heightmap/road system to multiple heightmap/road system (made the first turn in Zwift!).- Added data-driven support for the instanced objects system that enabled Zwift Game Art team with faster world-building ability.- Researched and implemented a cycling power output (Critical Power Curve) calculator and recorder that tracks player performance ranging from seconds to hours.- Zwift Virtual Power [https://zwiftinsider.com/virtual-power/]. Collaborated with one of the Zwift cofounders on the research of cycling speed-to-power conversion. Verified the mathematical equation on 100+ cycling trainers. Conducted end-to-end implementation of the feature from system level to UI. This feature enabled Zwift customers to choose between a speed sensor (~40 USD) or a power meter (~400 USD).- Designed a data-driven accessories system that significantly reduced the lead time on in-game items creation. - Revamped the avatar customization feature both architecturally and aesthetically by leveraging the data-driven accessories system. Created Zwift in-game items store as part of the project as well. - iOS and tvOS porting of the Zwift game application.- Created a level editor built on Zwift's proprietary engine that enabled Zwift Game Art team the ability to create/alter/remove terrain, roads, and game entities without direct engineering support.- Researched, designed, and implemented a real-world GPS file to in-game road file conversion tool.- Supported the creation and improvement of multiple application build tools.- Prototyped a graph theory based data structure to improve in-game road, route, and navigation systems.- Provided technical support for Zwift Game Art team on multiple game world expansion efforts.

- Led the effort in full-stack development of DDI guest account retrieval system.- Integrated iOS Game Center achievement into Double Down Gaming app.- One of the main contributors to the front-end implementation of multiple high grossing slot games.

- Primary engineer on Bejeweled Blitz (one of the 25 top grossing applications in iOS App Store at the time).- Researched Facebook Connect and Graph API. In charge of the Graph API client-side migration from the REST API. Designed and implemented various Facebook-Connect functionalities.- Designed and implemented the In-App purchase system for Bejeweled Blitz Coin Store.- R&D with various smart phone development trends at the time such as Augmented Reality Gaming and Geo-Location Gaming.- Supported the porting of Plants vs Zombies (PvZ) onto the first generation iPad.

- Ported multiple PopCap franchises onto both J2ME and BREW mobile platforms, projects include: Chuzzle, Bookworm, Peggle, Bejeweled Twist, and Zuma’s Revenge.

- Implementation of an unannounced original Capcom Mobile title (J2ME).- Assisted in the mobile porting of various Capcom Mobile titles such as Street Fighter and Ghost’n Goblins.

- Conducted product management functions such as product development research, coordination with oversea manufacturers, and customer visit for product introduction.- Conducted marketing research: Competitor analysis, monthly sales forecast, and demographic analysis.- Supervised and ran trade booth at various industry trade shows.