Erik Liu, full-stack engineer building systems, products, and AI workflows.
Freedom through logic.
Structure by design.
About Erik Liu
I work across frontend, backend, infrastructure, deployment, and AI workflows. My stack spans React, Vue, Python, PHP, Node.js, C#, Tauri, CI/CD, cloud services, data systems, and LLM-driven products.
Featured Projects
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AI investment assistant for US equities and crypto. I led architecture, data subscriptions, high-frequency sync, cleaning pipelines, backtesting infrastructure, and reliable LLM serving.
- ├─YUME_DESKTOP│
Real-time AI companion desktop app powered by ASR, memory systems, TTS, motion generation, and Unreal Engine. I owned planning, technical direction, model training, integration, and Steam release.
- ├─LEANHUB│
Sci-fi community platform with video, recommendation systems, multi-platform delivery, OSS/CDN distribution, Redis, MySQL, ffmpeg pipelines, and production release workflows.
- └─COVENATE_UNFRAUDABLE_ESIGN│
Digital contract and e-sign platform with certificates, face verification, and in-person signing. I handled product design, architecture, full-stack development, and deployment.
Experience Timeline
- Covenate2017-2021
Built and shipped blockchain-backed and certificate-based e-sign systems with PHP and JavaScript.
- Lilyn.ai2022-2026
Led planning, system design, AI integration, motion workflow research, and product delivery across virtual idol, AI companion, and trading-assistant products.