# Jiachen Sun

> Engineering @ Zip

Location: Berkeley, California, United States
Profile: https://flows.cv/jiachensun

Hello, I'm a recent grad from Berkeley who is excited to grow in the field of Software Engineering :)

I am also actively trying to grow in the fields of skateboarding, ink pen drawing, and dog-parenting among other things :D

## Work Experience
### Software Engineer @ Zip
Jan 2025 – Present | San Francisco, California, United States
Frameworks & IO
that's FIO for short!

### Project Manager @ Codebase
Jan 2023 – Jan 2025
• Fall 2023: Built a rearchitected image upload pipeline for Etsy in Golang using gRPC requests and protobuf
• Spring 2024: Built a mobile web app for developers to experiment with generative AI for Google using React and Firebase
• Fall 2024: Built new portal screens related to Parking Enforcement Settings, and implemented AI analysis features for existing portal screens, for Passport Inc. using React and AWS Bedrock
• Spring 2025: Built a full-stack custom Discussion Board for a non-profit using React and NextJS

### Teaching Assistant, CS161: Computer Security @ University of California, Berkeley
Jan 2023 – Jan 2025
• Grading assignments and hosting office hours for over 600 students for the course Computer Security at UC Berkeley
• Topics taught include Memory Safety, Cryptography, CSRF, XSS Attacks, Networking Protocols like WPA, DHCP, TLS

### Course Reader, CS170: Efficient Algorithms and Intractable Problems @ University of California, Berkeley
Jan 2023 – Jan 2023

### Academic Intern @ University of California, Berkeley
Jan 2022 – Jan 2022
Assistant for the UC Berkeley classes "CS61B: Data Structures" and "CS61A: Structure and Interpretation of Computer Programs"

### Software Engineer Intern @ Wealthfront
Jan 2024 – Jan 2024 | Palo Alto, California, United States
Worked on Account Takeover Detection in the Fraud & Risk Team

### Software Developer @ Google
Jan 2024 – Jan 2024

### Senior Mentor Advisor @ Computer Science Mentors
Jan 2022 – Jan 2024 | Berkeley, California, United States
Senior Mentor for the "CS61B: Data Structures"
• Taught sections of 4-5 students weekly about topics such as graph algorithms, asymptotic analysis, object-oriented programming, sorting algorithms
• Mentored other junior mentors and developed a web app to organize practice problems developed by CSM

### Software Developer @ Etsy
Jan 2023 – Jan 2023

### Software Engineer Intern @ Renbizz
Jan 2023 – Jan 2023 | Tel Aviv District, Israel
• Completed a solo project involving the ideation, product design, DB schema design, and implementation of a Logistics Employee Interface feature on the company’s web app using React (Typescript), AWS Lambda and MongoDB Atlas, which is used by the company’s employees to track and update rental item’s statuses and defects through order cycles
• Implemented a backend testing framework using Jest, wrote unit tests for backend functions that manage item inventories
• Brainstormed with senior engineers on developing versioning infrastructure and an automated notifier for rental returns

### Course Facilitator @ UC Berkeley Game Design and Development Decal
Jan 2022 – Jan 2023

### Asset Verification Engineer @ NCS Group
Jan 2021 – Jan 2021 | Singapore

### Platoon Commander, 1st Transport Battalion @ Singapore Armed Forces (SAF)
Jan 2019 – Jan 2020 | Singapore

### LTA Express Intern @ Land Transport Authority (LTA) Singapore
Jan 2018 – Jan 2019 | Singapore


## Education
### Bachelor's degree in Computer Science and Data Science
University of California, Berkeley

### Singapore-Cambridge GCE A-Level
Hwa Chong Institution


## Contact & Social
- LinkedIn: https://linkedin.com/in/jiachsun

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Source: https://flows.cv/jiachensun
JSON Resume: https://flows.cv/jiachensun/resume.json
Last updated: 2026-04-11