Ziyuan Han
My name is Ziyuan (Byron) Han. I have 4 years of industry experience. I am a software developer located in Bay Area, CA.
Before, I majored and worked in product/marketing Data Science for ~6 years in Bay Area. I also studied Materials Science in my early undergraduate.
This website is my showcase portfolio.
Technical Skills
HTML
CSS
JavaScript
React
Redux
Ruby
Rails
Node
PostGreSQL
MongoDB
Plotly
Pandas
Jenkins
MachineLearning
Python
TensorFlow
AWS
Docker
Projects
Recommend restaurants based on user preferences, allergies and diet.
(React-Redux, Express.js, MongoDB, Node.js, AWS, Google Map)
Designed and implemented a similarity recommendation algorithm to display users with the most relevant restaurants and dish items based on user diet and preference.
Integrated Google Map API with MongoDB to dynamically present restaurant locations based on geo parameters and user preferences.
An AirBnB clone, users can book/modify/delete trips, write reviews.
(React-Redux, PostgreSQL, AWS, Ruby on Rails, Active Records, Google Map)
Created custom SQL queries and reduced server load through the utilization of Active Record associations to extract data from multiple tables in a single query.
Ensured user privacy and autonomy through frontend and backend authentication measures and React Router, allowing users to only access and make changes to their own reservations when logged in.
An end-to-end project of market mix model for a Chinese quick fashion brand.
(MySQL ETL, Python Pandas Pipeline, Linear Programming Model in R, Tableau API)
Maintaining ETL data pipeline in MySQL server.
Data transformation in Python & model selection in R.
Model evaluation & business insight visualization in Tableau.
A Trivia Game, users can play trivia games from a trivia API.
Created Trivia Game using Trivia API.