👋 Hi, I’m Kuo Wei
A backend engineer passionate about AI, distributed systems, and product-driven development.
I specialize in building scalable, intelligent platforms across ad tech, data infrastructure, and generative AI.
| 📫 Connect with me on LinkedIn |
💼 Professional Experience
TikTok · Singapore · 2023 – Present
- Led development of AI-powered creative tools using multimodal large models, driving top-performing US ad campaigns with 50K+ new users.
- Built scalable, real-time cross-platform ad data pipelines, optimizing campaign efficiency and ROI.
Alibaba · Hangzhou, China · 2017 – 2023
Security Innovation Lab (SIL), Alibaba Cloud
- Architected a global AI-driven Cyber Risk Quantification platform with LLM integration, enabling automated malware detection and threat response.
Machine Intelligence Technology Dept. (MIT), DAMO Academy
- AI Assistant for Work & Operations: Built and scaled an intelligent assistant robot integrated with DingTalk (14M DAUs, 800K orgs). Led transition to microservices and achieved 1B daily message push throughput.
- AI Data-Dialogue Platform: Developed a high-throughput Q&A engine using NLP2SQL, async pipelines, Graph DB, and multi-stage MapReduce (ODPS).
- AlimeBot (AI Shop Assistant): Designed and commercialized the assistant used by 1M+ merchants on Taobao/Tmall, processing 100M+ daily responses with high concurrency.
- Data Service Platform: Created a stateless, event-driven data virtualization system for algorithm consumption, exceeding 100K QPS and 6B daily calls.
📚 Blog Posts
- Build Llama2 from Stratch(2025)
- Build, Train and Finetune GPT2 from Stratch(2025)
- Building Enhanced QA with LangChain + LLM (2023)
- Infrastructure Automation Practice: Terraform for Cloud Environment (2022)
- From Distributed Consensus Algorithms to Blockchain Consensus Mechanisms（2019）
- Introduction to the Raft Distributed Consensus Algorithm: Part 1 (2017)
- Introduction to the Raft Distributed Consensus Algorithm: Part 2 (2017)
- Effect of Side-Chain Length on Structural and Dynamic Properties of Ionic Liquids with Hydroxyl Cationic Tails (2014)