Andrew Querol
Senior Site Reliability Engineer at F5
Glen Ellyn, Illinois, United States
Summary
👤
Senior🎓
Top SchoolAndrew Querol is a Senior Site Reliability Engineer with 11 years of hands-on experience building and operating cloud-native backend systems, currently at F5 Networks. He blends software engineering and SRE practices—designing Go and Java microservices, operating Prometheus-compatible time series stacks, and driving GraphQL integrations—to make observability and reliability first-class citizens. His background spans full lifecycle work from embedded electronics and repair up through production orchestration, giving him a pragmatic troubleshooting mindset and strong systems intuition. He has led migrations (Java 5 to Java 17), designed real-time Go services for hospitality telephony, and architected storage-saving microservices that materially reduced costs. Based in Glen Ellyn, IL, Andrew pairs customer-facing support experience with deep backend expertise, often surfacing deploy-time and operational efficiencies that are easy to miss.
11 years of coding experience
11 years of employment as a software developer
High School, High School at Glenbard West High School
German
Github Skills (48)
fusionpbx10
android-vector-drawable10
voip10
tethering10
driver10
android-usb10
golang10
pbx10
freeswitch10
multi-tenant10
xml9
multicore8
sip8
hardware8
telephony8
Programming languages (11)
Github contributions (5)
winsock/ic-sim-mc
Mar 2015 - Jul 2015
Contributions:8 commits, 7 pushes, 1 branch in 3 months
percipia/fusionpbx
Aug 2020 - Aug 2021
Official FusionPBX - A full-featured domain based multi-tenant PBX and voice switch for FreeSwitch.
Contributions:198 pushes, 67 branches in 11 months
freeswitchfusionpbxmulti-tenantpbx
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