Game Engine / Systems Engineer, Digital Asset Management Network Inc. (炬芒數位資產管理) Sept 2023 – Sept 2024Worked as the sole programmer in a 6-person startup. Clients include: APmic, Tatung, IBO.• Ina Virtual Human System: Developed the system using Unreal Engine 5 and C++. • Python Chatbot Server: Built a TCP WebSocket server to facilitate real-time conversation with 0.3 second response time. Leveraged UDP to stream animation data from Nvidia Audio to Face for lip syncing in Unreal… Show more Game Engine / Systems Engineer, Digital Asset Management Network Inc. (炬芒數位資產管理) Sept 2023 – Sept 2024Worked as the sole programmer in a 6-person startup. Clients include: APmic, Tatung, IBO.• Ina Virtual Human System: Developed the system using Unreal Engine 5 and C++. • Python Chatbot Server: Built a TCP WebSocket server to facilitate real-time conversation with 0.3 second response time. Leveraged UDP to stream animation data from Nvidia Audio to Face for lip syncing in Unreal 5.• Natural Language Processing: Integrated LLMs, Microsoft Azure Speech, and wake word detection into Server.• Lip Synching: Implemented Azure Speech, Oculus VR, Nvidia A2F, and in-house pipelines for Unreal Metahuman.• Live Streaming: Integrated Twitch and YouTube platforms into the Python Server for user engagement.• UI and Animation Tools: Developed UI and animation tools to support the 3D Art team.• Computer Vision: Integrated Azure Kinect Camera to capture frames for ChatGPT 4o image recognition. Show less

Software Engineer, Android and iOS Games, Kooapps LLC., Taipei Branch (遊悅科技)May 2021 – Aug 2023Developed new IPs using Unity/C# until stable; Games shipped include Piano Dream, Bowrider.io, and MicroTown.io.• Front End: Gameplay; UI features such as Discover Page, Playlists, HUD; Live event support. • Back End: Developed data-driven gameplay systems; Game database search and retrieval; Friend System; Background music synching; Addressable System for loading of audio assets from… Show more Software Engineer, Android and iOS Games, Kooapps LLC., Taipei Branch (遊悅科技)May 2021 – Aug 2023Developed new IPs using Unity/C# until stable; Games shipped include Piano Dream, Bowrider.io, and MicroTown.io.• Front End: Gameplay; UI features such as Discover Page, Playlists, HUD; Live event support. • Back End: Developed data-driven gameplay systems; Game database search and retrieval; Friend System; Background music synching; Addressable System for loading of audio assets from Amazon Web Services.• Content Pipeline: Created and maintained audio asset pipeline, tools and documents for content creators. • Optimization: Optimized algorithms and 2D/3D assets for a wide range of mobile devices. Developed a Unity editor tool to alter texture batching and shadow settings for static meshes in each map. Developed a dynamic object pool to manage and visualize the lifecycle of game objects during gameplay.• Monetization: Integrated ads (banner, interstitial, reward), in-app purchases, and subscriptions into games. Collected user activity data and collaborated with design/data teams to enhance user retention.• Android Features (Java): Screen recording, haptic feedback, audio device detection, and social media sharing. Show less

Software / Systems Engineer, Camptotheca Inc., Plano TX, USAMay 2017 – Nov. 2020Developed a game engine and a 2D PC game “Project Ara - Crucible,” on Steam.Warlockery Game Engine – Custom C++ static libraryCore Systems: Includes the following: Math Utilities, String Utilities, Object Factory, Named Properties, Event System.Optimization Utilities: Memory usage tracking in low-level C++; Hierarchical function profiling to list function calls sorted by elapsed time per… Show more Software / Systems Engineer, Camptotheca Inc., Plano TX, USAMay 2017 – Nov. 2020Developed a game engine and a 2D PC game “Project Ara - Crucible,” on Steam.Warlockery Game Engine – Custom C++ static libraryCore Systems: Includes the following: Math Utilities, String Utilities, Object Factory, Named Properties, Event System.Optimization Utilities: Memory usage tracking in low-level C++; Hierarchical function profiling to list function calls sorted by elapsed time per frame; Amortized resource loading for asset files; Gameplay metric history to provide timestamped metrics and data visualization.Rendering System: A Modern OpenGL 2D/3D renderer with GLSL for custom vertex and fragment shaders, which supports bitmap font rendering, particles, and lighting with Blinn-Phong shading.UI System: A data-driven framework for UI widgets using XML data files, which supports widget loading, state transitions, and interaction.Input System: A backend system that supports mouse, keyboard, Xbox controllers for PC.Multithread Job System: A backend system that manages and calls jobs to be run on multiple threads.Audio System: A backend system that loads and plays audio assets, which supports sound effects, layered background music, fade-in, fade-out and cross-fade using the FMOD open-source library.Steamworks System: A backend system that interfaces with Valve’s Steamworks API.Project Ara: Crucible – 2D Vertical Scrolling Shooter Bullet Hell GameGame Design: Composition of art and music description documents; Creation of additional in-game content using XML; Balancing of Enemies and Bullet Patterns, UI design.Gameplay Programming: Enhancement of gameplay features; Improvements to Procedural Content Generation algorithms; Addition of Boss fights, Survival Game Mode, and collection menu for player experience.Project Management: Coordination between contract artists, musicians, and testers. Show less

Tutor for Java and C++ courses for undergraduate students.