# Jef Holloman

> Staff Software Engineer at Square

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

Working on making Ecommerce faster and better.

Specialties: PHP, Golang, Memcached, RabbitMQ

## Work Experience
### Staff Software Engineer @ Block
Jan 2018 – Present | San Francisco Bay Area
Reliability
Performance
Infrastructure
Fixer

### Senior Software Engineer @ Weebly
Jan 2013 – Jan 2018 | San Francisco, California
Acquired by Square

### Software Engineer @ Medicity
Jan 2011 – Jan 2013 | Alpharetta, GA
Work with team members to provide user friendly healthcare applications while continuously improving javascript performance and code maintainability. Focus on bringing Meaningful Use suite of products to availability including patient encounters and patient record reporting.

### Software Engineer - Infrastructure Team @ McKesson
Jan 2009 – Jan 2011
I focused on process improvement for both the Infrastructure team and the QA team as a whole. I also worked on deploying software to QA servers and managing those servers, as well as QA testing server software.

Primarily used Bash. Also used Javascript and Python.

### Software Engineer @ Transdyn
Jan 2009 – Jan 2009
Create drivers for highway monitoring devices in Java.


## Education
### Bachelor of Science in Computer Science
Georgia Institute of Technology


## Contact & Social
- LinkedIn: https://linkedin.com/in/jefholloman
- Portfolio: http://stackoverflow.com/users/1260600/jholloman
- GitHub: https://github.com/jholloman

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Source: https://flows.cv/jef
JSON Resume: https://flows.cv/jef/resume.json
Last updated: 2026-04-12