Hello! I'm Lucas Hu
a Software Engineer
Poke me 👆 to mutate my color State.
About Me
Available for opportunities
Jiacheng (Lucas) Hu
Present
SDE (Growth Marketing)
May 2025
ex-SDE (Seller Monetization Pricing)
Aug 2024
ex-SDE (Trust & Safety, Messaging Platform)
Aug 2021
ex-MLE (E-commerce Recommender System)
techStack.js
const Jiacheng = { pronouns: "he" | "his", code: [ "Java", "Go", "Python", "TypeScript", "C++", "JavaScript" ], tools: [ "Git", "Linux", "SQL", "Redis", "MongoDB", "Kafka", "Spark", "Kubernetes", "Docker", "AWS", "GCP" ], architecture: [ "microservices", "design patterns", "system design" ] };
nedjiachenghu@gmail.com
Projects
Recent work and side projects
Todo List
A Todo List App based on Vue.js and deployed on Vercel.
JavaScript, Vue.jsNovember 2021
Borrow Faster
A loan-assessment ML web app built with Streamlit and deployed on Streamlit Cloud.
ML, PythonNovember 2021
Chicken Music App
A QQ Music-style web app built with Vue and deployed on Alibaba Cloud.
JavaScript, Vue.jsJanuary 2022
Jira Project Management App
A Jira-like App built with React/TypeScript and Ant Design.
TypeScript, React.jsJanuary 2022
Golang E-commerce App
An E-commerce Backend with Go.
Go, Gin, MySQL, RedisApril 2023
Golang Task App
A Task App with Go, RabbitMQ and etcd.
Go, MySQL, RabbitMQ, gRPCJanuary 2024
Twitter clone App
A Twitter clone App with React and Next.js.
TypeScript, Next.jsMay 2023
LLM + MCP + RAG Demo
A LLM agent with MCP tools, in-memory RAG, real-time chat, and smart Q&A.
TypeScript, Node.js, LLMAugust 2025
RAG Agent SaaS Platform
LLM-powered knowledge base, RAG retrieval, and agent orchestration with model switching.
Java, TypeScript, LLMSeptember 2025
LLM-Driven Marketing Content Generator
LLM-powered Push/Email generation with verification, recommendation engine.
TypeScript, Node.js, LLMNovember 2025