Henpai Hsu
I have more than 5 years experience as Frontend A self-driven programmer who won't constrain learning by business requirements. I enjoy solving problems with my teammates, even it's not mine. I've been focusing on modern web architecture, including tooling and automation since the beginning of my career.
Software Engineer
TPE，TW
[email protected]
Experience
Senior Frontend | Mexc , Dec 2023 - Present
- Migrate SSR to RSC in NextJS project.
- Performance tuning in micro frontend architecture under UmiJS.
- Techstack: UmiJS / Zustand / AntD
Senior Frontend | Rezio (KKday Group), Feb 2021 - Dec 2023
- Responsible as a team lead and couch other teammates.
- Introduce E2E test, Unit test, and Storybook, and Better typing in Typescript to to improve the stability and DX.
- Refactor legacy JS codebase to Typescript with not only type but with better structure. Ex: more explicit utility and well testing pure functions.
- Introduce Jotai to replace Mobx, MST, and Mobx-keystone base on team's will. - Host Typescript FP and Workshop Internally.
- Techstack: Expo / Mobx / React-Hook-Form / React-Reactive-Form / GraphQL / NextJS
Senior Frontend | Positivegrid, Dec 2019 - Sep 2020
- Develop campaign page with Bigcommerce, handlebars, stencil in vanilla Javascript
- Redesign architecture for service migration, from Heroku + GCP to both Ali-cloud and AWS
- Migrate Firebase Firestore to MongoDB
- Develop new APIs in Flask(Python) with other DSP engineer
- Introduce Docker and create create Linux CLI tool docker environment for audio process
- Dockerfy several backend servers for the K8S cluster
- Analyze traffic by Newrelic and Papertrail
Frontend | Positivegrid, Dec 2018 - Dec 2019
- Implement various MVPs with designers in React SSR
- Add PWA ability to the product and pass the verification
- Develop AMP version info page for SEO
- Tuning SEO and made impression improved from less than 100/day to over 10000/day in 8 month
- Develop APIs in Express with NextJS
- Firebase Firestore / Firebase Function
- SPA Performance tuning
- Refactor python flask server and modularize for supporting various video service
Front-end | PRO360, Oct 2017 - Dec 2018
- Front-end developer.
- Responsible for implement most new features with designer and product owner
- Introduce Stylus into the team for style management
- Refactor legacy code with ES6 syntax and modern API in React, Redux with Service Side Rendering
Projects
Sublime Mark
- The marking system that I ported from Sublime Text to VSCdoe
- Tech Stack: Typescript
HomePage
- A Website of personal information.
- Tech Stacks: React, Redux, Less, Ant-Design, Dropbox Api, Webpack, ESLint, Prittier, Styled-component, Flow, Travis CI.
subTrans
- Drag and drop text files with content preview in the window.
- Converting text between Simplified Chinese and Traditional Chinese, and save files to local storage.
- Support Windows, macOS, and Linux with naive-like desktop application UI.
- Tech Stacks: Vue, Vuex, Bulma, Electron, File I/O, Pug(Jade), Stylus, Webpack.
Array utilities
- Implement some RxJS-like operator to array prototype, including Mix, Diff, and Partition
Skills
Javascript
Typescript / Ramda / RxJS / ES6 / Functional Programming / Flow type / Jest / AVA / Testcafe
Front-end Framework
React / Storybook / Redxu-saga / Vue / Vuex / Electron / AMP / PWA / Scaled SPA / Server side rendering
CSS related
Emotion / Styled-component / Less / Stylus / CSSModule
Bootstrap / Ant-Design / Bulma / Font-Awesome
Back-end
Koa / Express / MongoDB / Postgres / Ruby on Rails / Elixir
Docker / Newrelic / Papertrail / PM2 / config GCP
Development Tool
Git : rebase / cherry-pick / blame / bisect / patch / Husky
Webpack / Rollup: Analyzer / Auto external / Terser / Alias
Travis CI / ESLint / Style Lint /Prettier
Others
Python / Objective-C / C(embedded)
Education
National Chung Cheng University - 2013
- Bachelor of Electrical Engineering
National Tsing Hua University - 2015
- Master of Computer Science
- Thesis: EcoMini - Design hardware of Bluetooth 4.0 wireless sensor board, from electronic schematic to physical layout. Develop the firmware of EcoMini and other CC2541-base board.
Additional
- Language: Fluent in Mandarin, fair in English (Toeic 800 points).
- Interests: Make a plan before coding, Leaning tools, Adjust daily workflow. Reading tech articles
