# Jiarun (Rachel) Li

> Software Engineer @ Meta | CS @ UCLA

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/jiarun

## Work Experience
### Software Engineer @ Meta
Jan 2022 – Present | Menlo Park, California, United States
•  Currently working as a software engineer on the Business Messaging Experiences - Business Growth team.
•  Working full stack across multiple platforms in the meta family of apps, such as Facebook, Instagram, and Messenger.
•  Taking on new initiatives for improving valuable business threads (VBT) which measure meaningful interactions between customers and business. Building products for 800M+ monthly active businesses.

### Software Engineer Intern @ Facebook
Jan 2021 – Jan 2021
• Worked on the social impact team, focusing on building community help products for the Facebook web application
• Developed functionalities to create drives on behalf of a nonprofit org and enhanced users’ personal drive creation experience
• Used React.js to construct the frontend UI, Relay to ensure maintainability and consistency, Flow for static type checking,
GraphQL to fetch and mutate data, PHP to alter backend services, and Jest to perform end to end testing of expected behavior
• Completed my planned project early and worked on an additional project to enhance the UX, benefiting users in 150+ countries

### Fellow @ Rewriting the Code
Jan 2019 – Jan 2021

### Project lead and Lecturer @ ACM at UCLA
Jan 2019 – Jan 2021 | Greater Los Angeles Area
•  Improved features of Teach LA webpage which targets at disadvantaged students in LA 
•  Fetched data from Firebase and used React to build the frontend
•  Refactored site layout and improve rendering method using SASS
•  Taught python to 8th grade students at Sepulveda Middle School every week

### Research Intern @ Tencent
Jan 2020 – Jan 2020
• Monitored heart rate remotely, using photo-plethysmography signals, with novel non-invasive and passive monitor techniques
• Measured RGB channels in areas of forehead and cheeks, acquired signals, and generated heart rate measurements
• Removed noises with a Butterworth filter to adapt to different age groups, and calculated signal frequency with fourier transform
• Utilized JavaScript and Bootstrap for user experience. Integrated TensorFlow trained facemesh model to improve accuracy

### Ebook Developer Intern @ Motigo
Jan 2019 – Jan 2019 | Shenzhen, Guangdong, China
• Created four interactive Ebooks on the platform WeChat to help Motigo exploring new potential businesses
• Used a combination of Python, HTML and CSS to implement ebooks, with over 1000 views overall and an average viewing time
of over 2 minutes. Topics include psychology, traveling, broadway musicals and personality testing
• Designed user interface and analyzed user experience of each product through researching targeted user group characteristics,
analyzing user data feedbacks, and highlighting the advantage of interactive ebook

### Account Manager Intern @ Haitong International Securities Group Limited
Jan 2018 – Jan 2018 | Shenzhen, Guangdong, China
Utilized Haitong securities' websites and applications to help investors to register, manage, or revise information on their accounts at Haitong.
Applied efficient sorting algorithms to organize scattered files by name, date, and type, resulting in a faster accessing time to files for the administrators.


## Education
### Bachelor of Science - BS in Computer Science
UCLA
Jan 2018 – Jan 2021

### High School Diploma
Christian Brothers High School, Sacramento
Jan 2014 – Jan 2018


## Contact & Social
- LinkedIn: https://linkedin.com/in/jiarun-rachel-li

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Source: https://flows.cv/jiarun
JSON Resume: https://flows.cv/jiarun/resume.json
Last updated: 2026-03-22