Jonathan Coetzee
Software Development Engineer II (Threat Research Team)
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolJonathan Coetzee is a software development engineer specializing in security and threat research, currently contributing to AWS from Seattle after a 12-year career bridging hands-on engineering and security consulting. He brings deep experience in threat detection, cloud security support, and resilience engineering, having built dynamic ABAC authorization systems for financial clients and led web application pentests early in his career. At AWS he has progressed from Cloud Support Engineer (Security) to SDE II on the Threat Research Team, applying both offensive security experience and production-grade software development. Jonathan is a lifelong learner who augments his Computer Engineering degree with MOOCs from institutions like MIT and Berkeley, and he often blends practical tooling (Docker, API design) with security architecture to deliver auditable solutions. Notably, he has a track record of taking full lifecycle ownership—architecture through deployment—on high-stakes security projects for major enterprises.
12 years of coding experience
12 years of employment as a software developer
IEB Matric, IEB Matric at Kearsney CollegeBEng Computer Computer Engineering, BEng Computer Computer Engineering at University of Pretoria 
English
Stackoverflow
969reputation
351kreached
10answers
21questions
security
top-5%
Github Skills (155)
ebpf10
security10
ruby10
hyper10
falco10
cloud-native10
linux10
kubernetes10
storage10
seccomp10
amazon-s310
javascript9
ipv49
cli9
html9
Programming languages (14)
Github contributions (5)
jcoetzee/Talon-for-Twitter
Feb 2015 - Jun 2015
Contributions:10 pushes, 9 branches in 3 months
talonandroidtwitter-appkotlintwitter
jcoetzee/addressthedress
Feb 2015 - Mar 2015
Contributions:31 pushes, 1 branch in 11 days
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