Peixin.Space
中
Li Peixin

Peixin Li

Interested in AI application development

Guangdong・Guangzhou

LiPeixin2003@qq.com

About Me

I am a recent graduate in Artificial Intelligence from Guangdong University of Technology. I hope to research and apply AI and data‑driven methods to model, analyze and conduct decision‑making for complex systems, and develop practical, deployable AI solutions.

Education

Practice

LLM-Collaborative Filtering Fusion for Sequential Recommendation

LLM-Collaborative Filtering Fusion for Sequential Recommendation

2025.11 - 2026.5

• Developed an LLM-based sequential recommendation framework integrating collaborative filtering with semantic language modeling. • Integrated ALS, RQ-VAE, and Qwen2.5 with parameter-efficient fine-tuning and constrained decoding. • Achieved +8.8% HR@10 and +6.9% NDCG@10 over SASRec. • Outcome: Undergraduate thesis and registered software copyright.

Sugar Smart · AI Glycemic Health Product

Sugar Smart · AI Glycemic Health Product

2025.3 - 2025.6

• Collaboration: Worked with e-commerce majors on product research, visual design, and product development. • Product: AI-powered blood glucose management for high-risk hyperglycemia users, featuring smart analysis, image understanding, and multilingual dialect speech recognition/generation. • Solution: Market research → product planning → business model design → AIGC agent-based health management. • Outcome: Second Prize, South China Division, China Collegiate Computing Contest.

Multimodal AI for Rice Disease Diagnosis & Intelligent Consultation

Multimodal AI for Rice Disease Diagnosis & Intelligent Consultation

2025.9 - 2025.10

• Framework: Multimodal AI system for rice disease diagnosis and intelligent consultation using Qwen3-VL-4B • Methods: QLoRA fine-tuning + LangChain/FAISS-based RAG for image diagnosis and expert knowledge retrieval • Deployment: 4-bit quantization and adaptive inference for efficient Web-based deployment • Workflow: Data preparation → model fine-tuning → RAG integration → Web system implementation

Competitions
& Awards

Skills

Programming Languages

AI / Agent

Dev Tools

Certificates

Professional Technical Qualification Certificate (Software Design Engineer) Software Copyright (Recommendation System)

Other Skills

PPT Design

Social
Engagement

广东"百千万工程"突击队行动Logo

Digital Transformation Social Practice of Huilai Litchi Industry (University-level Key Rural Revitalization Team)

2024.3 - 2025.1

Core Member

• Led digital transformation for Huilai litchi industry to solve low brand recognition & weak online sales. Served in Guangdong Youth "Hundred Counties, Thousand Towns, Ten Thousand Villages Project" Assault Team.
• Collaborated with students from e‑commerce and product‑design disciplines on the digital transformation of Jieyang’s lychee industry, and proactively partnered with SCAU to advance lychee variety cultivation and improvement. Conducted 20+ farmer field visits and analyzed 450+ consumer survey responses using the 4P framework and AIDA model to identify barriers to regional branding and online market expansion.
• Took part in digital‑marketing strategy formulation, brand IP & poster design, and farm IoT interface optimization. Helped local cooperatives reach RMB 1.75 million seasonal sales with doubled online orders and a 155% rise in brand exposure. The project was covered by Nanfang Daily, Yangcheng Evening News and other renowned media, and received municipal‑level and university‑level recognition.

CYLC

College CYLC Secretariat · Student Organization

2022.9 - 2024.6

Head of Department / General Member

• Led Secretariat to plan and deliver 20+ student development activities (including Youth Marxism Training Program) engaging 1,000+ students. Improved departmental knowledge management by establishing a cloud-based document repository and SOPs.
• Coordinated 30+ WeChat posts receiving 32000+ views and received the University-level CYLC Advanced Individual title for leadership and organizational contributions.

No challenge is unsolvable.