Hi, I am Jeffrey

I am a Software Engineer
I love solving people's problems
I love building fun projects
I love exploring new tech stacks

Jeffrey Yu

Computer Science student at UCLA

A software engineer with a critical product mind. I’m passionate about spotting problems from people around me and building solutions that make their lives better. Skilled in full-stack development: frontend with React and Vue, backend with Express and Django. Keep learning and building.

Problem solving

Teamwork

Critical thinking

Leadership

Fast Learner

Communication

Skills

JavaScript

Proficient in JS fundamentals. Experienced in working with different frameworks and improving web app performance with the bottom-up approaches.

React

Experienced in building high-performance web app with reusable code. Capable of managing state tree with Redux and hooks. Familiar with Next.js to render web app at server-side.

Vue

Experienced in delivering small-scale web app quickly. Capable of managing state tree and authorization with VueX and Vue-router. Familiar with Nuxt.js to improve web page SEO.

Node.js

Experienced in developing and maintaining server-side network components with Express.js. Capable of ensuring optimal performance of the central database and responsiveness to front-end requests.

Python

Experienced in running large-scale web scrapers using BeautifulSoup. Experienced in solving algorithmic problems quickly by writing Pythonic snippets. Familiar with developing backend application with Django.

MongoDB

Experienced in designing and maintaining NoSQL database instances. Capable of implementing appropriate indexes for performance improvement and writing clear documentation of database setup and architecture.

Experiences

Software Engineer Intern

Done.

Feb 2021 - Jun 2021, Remote, San Francisco

Done. is a health-tech startup that provides personalized online treatment for ADHD

Responsibilities:

Reconstructed the user feedback workflow with React and Survey.js to replace Typeform integration, allowing user-targeted feedback collections
Automated CI/CD pipeline by scheduling Venom e2e tests and configured notifications with Python Sendgrid, synchronizing remote team members
Increased the efficiency of operation team handling users' issues by migrating MySQL data to Retool and building admin-friendly UI interfaces

Frontend Developer Intern

TechFin.AI

July 2020 - Oct 2020, Shenzhen, China

TechFin.AI is a quant fund that analyzes the financial market using machine learning

Responsibilities:

Built an alpha evaluation site using Vue.js from scratch, allowing 30+ engineers to edit and run Python scripts on Codemirror and synchronizing code to server
Improved security of the trading platform by implementing identification of user type using Axios interceptor and Vue-router dynamic routing
Communicated with UI designers and released a new company website using Nuxt.js with SSR measures, increasing organic traffic by 37% in 3 months
Visualized real-time assets performance with ECharts and optimized rendering speed using Vuex state management and switching to CDN dependencies

Projects

BruinShack

Fullstack Developer Dec 2020 - Present

Airbnb for UCLA students to find the best apartment near campus

Details

OnCampus

Fullstack Developer Oct 2019 - Feb 2020

The go-to website where clubs at UCLA post information and recruit new members

Details

VMAwalk

Cofounder, Frontend Developer Mar 2020 - Jun 2020

Teachers & courses review websites made for VMA students

Details