# Caitlin O'Callaghan

> Software/Video Engineer at Meta

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

American 🇺🇸, Canadian 🇨🇦, and Irish 🇮🇪 citizenships.
Video engineer and published biologist. 
Portfolio: https://caitlinocallaghan.com/

## Work Experience
### Software Engineer @ Meta
Jan 2022 – Present
All things video.

### Software Engineer @ Facebook
Jan 2021 – Jan 2021 | Menlo Park, California, United States
Facebook Reality Labs, Virtual Reality Video Engineering
- Implementation of low latency DASH (LL-DASH) support to Shaka Packager, Google's open source media packaging tool, and Shaka Streamer, a streaming tool wrapping FFMPEG and Shaka Packager
- Productionized and shipped LL-DASH support on a Facebook product

### Software Engineer @ StreamShark
Jan 2020 – Jan 2021
End-to-end video pipeline architecture and development. 
- AWS, SRT, HLS, MPEG-DASH
- Live Streaming, Video on Demand, Live Premiere, Scheduled Playout

### Software Engineer @ Facebook
Jan 2020 – Jan 2020 | Menlo Park, California, United States
AR/VR Immersive Video Infra and FBOSS (Facebook Open Switching System)
- Reactive bitrate video streaming over SRT (patent pending)

### Software Engineer (Media Team) @ Airtime
Jan 2019 – Jan 2019 | Palo Alto, California
- Realtime Objective Video Quality Analysis 
- C++, CMake, Jenkins
- Distributed Systems 
- Concurrent Programming/Process Synchronization 
- Social Streaming

### Agile Software Engineer @ TribalScale
Jan 2019 – Jan 2019 | Toronto, Canada Area
- Test-driven development (TDD)
- Pair programming
- Kotlin, Spring Boot, Swift, JavaScript, React.js, Redux

### Research Assistant @ University of Waterloo
Jan 2018 – Jan 2018 | Waterloo, Ontario
Estimation of wall shear stress in arteries from Doppler ultrasound
- Error calculation
- MATLAB

### Full Stack Software Developer @ University of Toronto
Jan 2018 – Jan 2018 | Toronto, Canada
Bioinformatic web application development for PathwayCommons.org 
- JavaScript and React.js
- RESTful API and API documentation

### Research Assistant @ Northwestern University - The Feinberg School of Medicine
Jan 2016 – Jan 2017 | Chicago, Illinois
Investigation the development of heart failure on a cellular level
- Cardiology
- MATLAB
- Manuscript in review

### Research Assistant @ University of Illinois at Urbana-Champaign
Jan 2016 – Jan 2016 | Urbana-Champaign, Illinois
Response of drug resistant breast cancer cells to combination therapies investigation
- Cancer therapy
- Cell culture 
- Manuscript in review

### Research Assistant @ University of Illinois at Chicago
Jan 2015 – Jan 2016 | Chicago, Illinois
Improvement of bacterial resistant properties of Polymethyl Methacrylate (PMMA)
- Dental implantation
- Surface chemistry
- Atomic layer deposition, plasma treatments


## Education
### Bachelor of Applied Science - BASc in Biomedical Engineering
University of Waterloo
Jan 2017 – Jan 2022

### Illinois Mathematics and Science Academy
Jan 2014 – Jan 2017


## Contact & Social
- LinkedIn: https://linkedin.com/in/caitlin-ocallaghan
- Website: https://caitlinocallaghan.com/

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