# Ruihan L. > AI Infrastructure Engineer | Software Engineer Location: Jersey City, New Jersey, United States Profile: https://flows.cv/ruihanl Startup AI product founder (www.livins.ai) Full stack Software engineer experienced in distributed systems and AI infrastructure. ## Work Experience ### Software Engineer @ FlexTouch Jan 2024 – Present Full-stack development of a computational simulation platform for screen optical design effects. Company-specific, locally deployed LLM. ### Founding Software Engineer @ Livins AI Inc. Jan 2024 – Jan 2025 | New York, United States Co-founded Livins.ai — an AI-powered real-estate assistant platform. Built async ETL and agent-orchestration pipelines (FastAPI, PostgreSQL, Redis) with hybrid LLM/ML ranking and semantic search. ### Research Assistant @ Case Western Reserve University Jan 2022 – Jan 2024 | Cleveland, Ohio, United States Built and evaluated topic-model-based NLP systems (Guided Topic-Noise Models) for real-time digital interventions in healthcare. Focused on semantic modeling, data streaming, and machine learning pipeline optimization. ### Data Scientist @ CARZONE Jan 2021 – Jan 2021 | Hangzhou, Zhejiang, China Designed data models and user-behavior analytics pipelines in Python and SQL for Tmall Car Care App, supporting product recommendation and engagement analysis. ## Education ### Master's degree in M.Sc. Business Analytics and Intelligence Case Western Reserve University ### Bachelor's degree of Engineering in Information Engineering Beijing Jiaotong University ## Contact & Social - LinkedIn: https://linkedin.com/in/ruihan-l-565938255 --- Source: https://flows.cv/ruihanl JSON Resume: https://flows.cv/ruihanl/resume.json Last updated: 2026-03-29