yong  jie.

Software Engineer Intern at <TikTok />

/about_me/skills/experiences/contacts

yong  jie.

Software Engineer at <Quantedge />

/about_me

Inspired by the successes of Airbnb and Uber, I aspire to build impactful products making a difference in our daily life.I am currently a Software Engineer at Quantedge, working with the Data Team to create data infrastructure and tools.In my free time, I enjoy exploring new technologies and making latte art. I am also someone who loves to travel and go on adventures, hoping to forge more core memories along the way. Feel free to reach out if you're interested in my work! ❤️

/skills

Frontend

Next.jsNext.js
ReactReact
FlutterFlutter
Tailwind CSSTailwind CSS
SassSass

Backend

DockerDocker
SpringSpring
Express.jsExpress.js
Ruby on RailsRuby on Rails
Amazon Web ServicesAmazon Web Services
FirebaseFirebase
PostgreSQLPostgreSQL
MongoDBMongoDB
Google Cloud PlatformGoogle Cloud Platform
GraphQLGraphQL

AI/ML

PyTorchPyTorch
TensorFlowTensorFlow

Language

C++C++
JavaJava
PythonPython
RubyRuby
TypeScriptTypeScript
ClojureClojure

/experiences

Aug 2025 - Present

Software Engineer

@ Quantedge 
  • Developing the internal data tools

backend

python

Oct 2024 - May 2025

Software Engineer

@ Urbanflow 
  • Developed a surrogate model for predicting energy consumption of buildings
  • Built the auth system
  • Migrated the infrastructure to AWS

backend

python
AWS

frontend

React

May 2024 - Aug 2024

Backend Software Engineer Intern

@ TikTok 
  • Worked with the Global CRM Team for the Forecast and Opportuniy Module
  • Redesigned the Elasticsearch data schema for more precise revenue prediction
  • Wrote new data pipelines to aggregate unaccounted revenue data causing discrepancies

backend

Spring

Aug 2023 - Dec 2023

Software Engineer Intern

@ Breyta 
  • Revamped a demo application to enhance functionality and user experience
  • Integrated Breyta's data activation product with various CRM platforms

backend

Clojure
PostgreSQL
GraphQL

frontend

React
Tailwind CSS

Dec 2022 - Jul 2023

Software Engineer Intern

@ NodeFlair 
  • Developed email newsletter subscription service using Ruby on Rails and SendGrid
  • Created architecture for dynamic image generation service for social share preview
  • Optimized database queries for faster data retrieval
  • Implemented localization support for multiple countries
  • Improved loading speed and SEO ranking of multiple pages using Web Vitals and Lighthouse
  • Enhanced user experience on individual company page
  • Led the refactoring of React Class components to Functional components
  • Created a WYSIWYG editor

backend

Ruby on Rails
PostgreSQL
SendGrid
Amazon Web Services

frontend

React
Sass
Lighthouse

Aug 2022 - Nov 2023

Teaching Assistant

@ National University of Singapore 
  • Taught CS1101S - Programming Methodology to 8 computer science students
  • Conducted weekly tutorials, code review, and grading
  • Nominated for teaching awards

May 2022 - Jun 2022

Freelance Software Engineer Intern

@ Vibefam 
  • Implemented the onboarding process using Vue and Firebase
  • Designed and created authentication page
  • Identified and fixed bugs within application

frontend

Vue

backend

Firebase

/contacts

Find me here
Thank you for visiting!
Credits to @lilianqian for the animation