Tsungwei, Liu                                                                        

AI RESEARCHER/AI DEVELOPER

Email: [email protected] | Phone: 0976574001                                      

  Taipei City, Taiwan    

Professional Summary

AI Team Lead and Researcher with 6+ years experience in developing AI solutions and products. Expertise in LLMs, NLP, and machine learning. Proven ability to lead cross-cultural teams and drive innovation in AI applications across industries.

Skill Sets

  • - AI/ML: LLM fine-tuning, RAG, PyTorch, Scikit-learn, Hugging Face, Gensim, LoRA, PEFT, LangChain, llama.cpp,  BERT, Transformer models 
  • - NLP: Spacy, Word2Vec, Named Entity Recognition, Sentiment Analysis, Prompt Engineering
  • - Data Processing & Databases: Elasticsearch, Neo4j, SQL, SQLite, FAISS 
  • - Cloud Platforms: AWS, GCP, COZE 
  • - Programming: Python (Advanced) - Other: Web Scraping, Data Visualization

Professional Experience

AI Team Lead, Fimmick (08/2023 - Present)

Lead AI initiatives for a Hong Kong-based company with development teams in Taiwan. 

  • - Design and architect innovative AI product systems 
  • - Mentor team members and provide expert AI technical guidance 
  • - Spearhead the development of major AI products:

Key Projects: 

1. Travel Plan Recommendation System   

  • - Integrated LLMs, RAG, and knowledge graphs for personalized travel planning   
  • - Implemented route optimization using GEO libraries and shortest path algorithms   
  • - Developed feedback loop for continuous model improvement using Neo4j and FAISS   
  • - Technologies: LLM, RAG, Neo4j, FAISS, GEO libraries, PyTorch, PEFT, LORA

2. CreativeMAX - Marketing Image Evaluation System   

  • - Consulted on AI-driven image analysis for marketing effectiveness   
  • - Guided implementation of eye-tracking prediction and artistic evaluation   
  • - Technologies: Computer Vision models, PyTorch, Scikit-learn 

3. Intelligent Article Generation Platform   

  • - Developed multi-purpose content generators using COZE platform   
  • - Implemented automatic language detection and multi-lingual support   
  • - Technologies: COZE, LLMs, Prompt Engineering, NLP libraries

Leadership & Achievements: 

  • - Established a mentorship program, dedicating 6 hours weekly to guide junior team members 
  • - Conducted company-wide AI education sessions, enhancing cross-departmental AI literacy

AI Researcher, Cinnamon AI (07/2019 - 11/2022) 

  • - Designed and delivered customized AI solutions for 15+ customer cases, enhancing customer satisfaction by 25% 
  • - Developed and deployed 3 state-of-the-art AI models, leading to a 20% increase in model accuracy 
  • - Led cross-functional teams across Taiwan, Japan, and Vietnam, successfully delivering 10 projects on time and within budget 

Key Projects: 

  • - Patent Ranking: Achieved 82% F1 score using document-to-vector and KNN 
  • - Patent Analysis: Implemented re-ranking method for improved document retrieval accuracy 
  • - Chemical Patent Structurization System (Japanese): Enhanced readability using Table sequence technology  
  • - Customer Issues Classification (Japanese): Reached 93% accuracy using BERT 
  • - Homepage Filter System (Chinese): Achieved 95% F1 score using hybrid model of rule-based and ML classification

User Experience Protector, iTutorGroup\TutorABC (01/2017 - 03/2018) 

  • - Analyzed user experience data to reduce customer complaints by 15% 
  • - Collaborated on user-centric improvements, enhancing overall satisfaction by 20% 

QA Engineer, Taiwan Mobile (06/2015 - 01/2016)

  • - Resolved 150+ network, software, and hardware issues, improving system uptime by 15% 
  • - Identified and reported 30+ critical UI/UX bugs, reducing post-launch error rates by 10%

Publications 

1. "Enhance Incomplete Utterance Restoration by Joint Learning Token Extraction and Text Generation" (2022) [arXiv:2204.03958] 

2. "Meeting Decision Tracker: Making Meeting Minutes with De-Contextualized Utterances" (2022) [arXiv:2210.11374] 

Side Projects 

  • - Speech to Report: Automated transcription and structuring of audio recordings using ASR and NLP 
  • - Personal Financial Assistant: Developed a financial knowledge graph for personalized insights using Neo4j and LLMs 
  • - Smart SEO: Created 10+ LLM agents for SEO enhancement (ongoing) 
  • - Device Log Structuralization: Designed high-efficiency search using Word2Vec for complex log interpretation

Achievements

  • - Silver medalist in Kaggle Santander Customer Transaction Prediction (top 10% out of 8,751 teams) 
  • - Mentored 30+ students in Cinnamon AI summer camp, guiding product prototype development 
  • - Successfully led and delivered 10+ cross-cultural AI projects

Languages

Fluent in Chinese and English

Education

  • - Taiwan AI Academy (09/2018 - 01/2019) 
  • - B.S. in Information Management, Aletheia University (09/2009 - 07/2014)
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