# Justin C.

> Software Engineer at Moon Creative Lab

Location: Los Gatos, California, United States
Profile: https://flows.cv/justinc1

I have experience leading technical teams, architecting large software projects, and training engineers to ensure high-quality and maintainable code.

## Work Experience
### Software Engineer/Startup Strategist @ Moon Creative Lab
Jan 2022 – Present | Palo Alto, California, United States

### Software Developer @ Hammer Flashcards
Jan 2016 – Jan 2025
Hammer is an app I've been building as a personal project to help people learn a foreign language in a more efficient and fun way. Try it at https://hammer.app
- Developed a Single-Page Application using JavaScript/TypeScript with a custom VanillaJS React-like framework, packaged into an app for Android and iOS with Apache Cordova
- Created the backend with Node.JS with Express and a Postgres database running on Google Cloud Platform, and Firebase Authentication/Hosting
- Invented a unique system for managing flashcards, designed the UI, and created feature specifications and mockups to direct another engineer
- Released the Hammer app, which has helped more than 1000 users learn a language

### Software Developer/Lead @ Bellus3D
Jan 2016 – Jan 2021 | Campbell, California, United States
- Led technical teams that developed core applications including Bellus3D FaceApp, which captured 3D face geometry for more than 100,000 users (Java, JavaScript, Swift)
- Created and securely managed a cloud service containing more than 250,000 face scans
- Directly recruited, trained, and supported multiple software engineers
- Built prototype apps to demonstrate Bellus3D technology at trade shows including CES
- Drove initiatives to improve customer messaging with copywriting, UX, and website redesigns
- Implemented and monitored analytics to gain insight on users (Google Analytics, Amplitude)

### Software Development Engineer @ Amazon Web Services
Jan 2014 – Jan 2015
- Developed features for the AWS Console frontend to help customers organize and tag their resources, using JavaScript/AngularJS
- Wrote unit and integration tests using Ruby


## Education
### Master's Degree in Computer Science
UC Irvine

### Bachelor's Degree in Computer Science
University of California, Santa Cruz


## Contact & Social
- LinkedIn: https://linkedin.com/in/justinchen774

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Source: https://flows.cv/justinc1
JSON Resume: https://flows.cv/justinc1/resume.json
Last updated: 2026-04-10