Justin Witz
Senior Engineering Manager at Twilio
Saint Augustine, Florida, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Witz is a Senior Engineering Manager with 11 years of experience scaling distributed systems and leading cross-continental teams, best known as a technical co-founder of Twilio's TaskRouter—the engine behind Twilio Flex. He combines hands-on engineering (architecting rate-limiting frameworks, data migrations, and testing/chaos pipelines) with people leadership, growing teams from scratch and mentoring dozens of engineers into higher levels. Justin has driven multi-team initiatives that removed costly dependencies and reduced retention costs without customer incidents, while maintaining 99.999% uptime through traffic doubling year-over-year. He excels at aligning product, architecture, and operational priorities across US, Europe, and India, and implemented a Follow-the-Sun on-call rotation that eliminated escalations. Based in Saint Augustine, Florida, he pairs a pragmatic, ROI-focused mindset with deep expertise in reliability and compliance (GDPR/HIPAA) for mission-critical SaaS.
11 years of coding experience
14 years of employment as a software developer
Bachelors Computer Science, Bachelors Computer Science at University of Wisconsin-La Crosse
Stackoverflow
76reputation
3kreached
4answers
0questions
Github Skills (26)
telephony10
twilio-api10
mms10
wireless10
vonage10
sms10
voice10
api10
rest10
mhealth10
sms-messages10
php-library10
rest-api10
twilio10
dotnet9
Programming languages (6)
Github contributions (5)
jwitz10/api-snippets
Jul 2016 - Nov 2017
Contributions:14 pushes, 6 branches in 1 year 4 months
apitwilioapi-documentationsnippetstwilio-api
jwitz10/twilio-python
Oct 2016 - May 2017
Contributions:3 pushes, 2 branches in 7 months
apipythontwimltwiliopython-module
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