Alexander Willemsma
Staff Security Engineer at Smile.io
Kitchener, Ontario, Canada
Summary
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SeniorAlexander Willemsma is a Staff Security Engineer with 12 years of experience building and securing scalable SaaS infrastructure at Smile.io, where he progressed from web support and SRE leadership to staff-level security stewardship. He specializes in AWS, Kubernetes, Terraform, Packer, and operational databases (Postgres, MySQL, Redis) and applies SRE rigor to security through policies, tooling, and pragmatic implementations that protect merchant and customer data. Comfortable leading distributed teams, he pairs strong remote-work communication with hands-on systems engineering to ship maintainable, deadline-driven code. His background running a web agency and early work on large social sites like Couchsurfing reflect a long-standing appetite for practical, internet-scale problem solving.
12 years of coding experience
13 years of employment as a software developer
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (148)
concurrent-ruby10
pg-search10
ruby10
scopes10
sidekiq10
trigrams10
jruby10
metaphone10
shoryuken10
multi-search10
amazon-sqs9
aws-sdk-ruby9
xml-serialization9
rails9
amazon9
Programming languages (6)
Github contributions (5)
undergroundwebdesigns/smile-infra-2.0-dotfiles
Oct 2020 - Feb 2025
Contributions:35 pushes, 1 branch in 4 years 4 months
undergroundwebdesigns/dotvim
Mar 2016 - Aug 2024
Contributions:2 pushes in 8 years 6 months
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