David Waller
Principal Software Engineer at Microsoft
Redmond, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolDavid Waller is a Principal Software Engineer with 13 years at Microsoft and over two decades in telecom and cloud engineering, focused on building scalable, high-performance distributed systems and the teams that deliver them. With a BA in Mathematics from the University of Cambridge, he brings rigorous problem-solving and a penchant for experimentation to architecting resilient platforms. His progression from developer roles at Metaswitch to principal engineering at Microsoft reflects deep expertise in large-scale systems, production reliability, and performance tuning. Known as a hands-on mentor, he pairs technical leadership with active coaching to elevate engineering effectiveness. Based in Redmond, he blends academic rigor with practical, delivery-focused engineering practices that favor measurable impact.
13 years of coding experience
14 years of employment as a software developer
Bachelor of Arts - BA Mathematics, Bachelor of Arts - BA Mathematics at University of Cambridge
Github Skills (57)
modelattribute10
activemodel10
cloud-computing9
dotnet9
circuit9
ruby9
concurrency9
jit9
rust9
actor-model8
ruby-on-rails8
cloud-native8
cve8
scale8
dotnet-core8
Programming languages (3)
Github contributions (5)
yammer/model_attribute
Dec 2014 - Jul 2020
ModelAttribute gem - attributes for non-ActiveRecord models
Contributions:123 commits, 22 PRs, 42 pushes in 5 years 7 months
ruby-on-railsmodelattributerailsrubyactiverecord-models
dwaller/vimfiles
Jan 2015 - Oct 2018
Contributions:6 pushes, 2 branches in 3 years 9 months
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