# Da Chen

> Senior Software Engineer at Meta

Location: San Francisco, California, United States
Profile: https://flows.cv/dachen

## Work Experience
### Senior Software Engineer, iOS - Reality Labs @ Meta
Jan 2023 – Present | Burlingame, California, United States
AR/VR + iOS

### iOS Software Engineer @ Apple
Jan 2021 – Jan 2023 | Cupertino, California, United States

### Software Engineer @ Yelp
Jan 2019 – Jan 2021 | San Francisco Bay Area

### iOS Developer @ U.S. Bank
Jan 2019 – Jan 2019 | Greater Minneapolis-St. Paul Area
- Built the U.S. Bank mobile app as per MVVM architecture to make code base loosely coupled.
- Used AVFoundation framework to implement a text-to-speech utility and Speech framework to implement speech recognizer to enable communication with virtual assistant easily without typing.
- Worked with CoreAnimation framework to implement user-friendly animations.
- Used SessionManager to call RESTful APIs, used Codable and JSONSerialization to decode data.
- Worked with UIAccessibility and VoiceOver to make app accessible to everyone.
- Worked with XCTest framework and wrote test-cases to test business logic for application features.
- Used SwiftLint to ensure good code quality, used SonarQube to scan for code-smell.
- Used Jenkins to configure and test the project and Gitlab to manage the code-base upgrade.

### Software Engineer (Android & iOS) @ BottlesTonight
Jan 2018 – Jan 2019 | San Francisco Bay Area
- Built Android and iOS apps, developed core features: posting and managing reservations, event and club lists, 3rd party ticket purchasing, concierge chat, notifications, etc.
- Used HttpsURLConnection and AsyncTask to communicate asynchronously with the web server.
- Used JSONObject to map web-service response JSON data to model classes.
- Worked with SharedPreferences to store users dashboard information locally.
- Worked on integrating Facebook SDK to allow user login and signup by using facebook account.
- Used OneSignal to send push notifications, integrated Zendesk to enable online customer chat.

### Teaching Assistant @ The Johns Hopkins University
Jan 2018 – Jan 2018 | Baltimore, Maryland Area
- Algorithms course TA, responsible for grading and online tutoring.

### Research Assistant @ Huazhong University of Science and Technology
Jan 2016 – Jan 2016 | Wuhan, Hubei, China
- Research assistant in the Wuhan National Lab for Optoelectronics. Implemented a neural network by using Torch to analyze herding effect in the online movie rating system.

### Research Assistant @ Missouri University of Science and Technology
Jan 2015 – Jan 2015 | Rolla, Missouri
- Research assistant in the EMC Lab. Took over Bosch and Panasonic projects, processed data with Matlab. Improved experiment’s accuracy and simplified its operation by using Arduino.


## Education
### Master's degree in Computer Science
The Johns Hopkins University

### Bachelor of Engineering - BE in Electronics and Information Engineering
Huazhong University of Science and Technology


## Contact & Social
- LinkedIn: https://linkedin.com/in/da-chen-jhu-cs

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Source: https://flows.cv/dachen
JSON Resume: https://flows.cv/dachen/resume.json
Last updated: 2026-03-29