Brett Willemsen
Director Of Engineering at Who Gives A Crap
Melbourne, Victoria, Australia
Summary
🤩
Rockstar🎓
Top SchoolBrett Willemsen is a seasoned engineering leader with 13 years of hands-on software and management experience, currently serving as Director of Engineering in Melbourne. He has scaled and organized engineering functions across startups and enterprise teams—most recently leading engineering at HelloFresh and building an engineering management function for a HealthTech startup—while earlier roles ranged from senior individual contributor to founding a transit analytics startup. Brett blends deep technical fluency (front-end work on projects like an AngularJS Leaflet directive) with operational rigor, shipping developer-facing platforms and integrations at PagerDuty. Known for continuous improvement and iteration, he fosters developer productivity, mentorship, and reliable delivery across distributed teams. Colleagues would note his mix of product-minded engineering and an appetite for practical open-source contributions that extend platform flexibility.
13 years of coding experience
12 years of employment as a software developer
BSc, Computer Science, BSc, Computer Science at Wilfrid Laurier UniversityFFHS
Stackoverflow
5,947reputation
437kreached
15answers
28questions
mongodb
top-1%
database
top-1%
Github Skills (16)
javascript10
front-end-development10
mongodb10
geojson10
leaflet10
angularjs10
database10
ios6
swift6
uikit6
web-application6
scaling6
development-environment6
cordova6
coregraphics6
Programming languages (13)
Github contributions (5)
tombatossals/angular-leaflet-directive
Nov 2013 - Nov 2013
AngularJS directive to embed an interact with maps managed by Leaflet library
Role in this project:
Front-end Developer
Front-end DeveloperContributions:5 commits in 3 days
Contributions summary:Brett primarily worked on enhancing the AngularJS directive for the Leaflet library. Their contributions involved adding functionality to allow users to define custom GeoJSON functions, suggesting a focus on extending the directive's flexibility. The changes include modifications to the minified JavaScript file and related source code, demonstrating a hands-on approach to modifying and updating the directive's behavior. The commit messages also indicate that the user also addressed formatting errors.
angularjs-directiveleaflet
PagerDuty/pdjs
Nov 2020 - May 2022
JavaScript wrapper for the PagerDuty API
Contributions:12 releases, 68 reviews, 74 PRs in 1 year 6 months
javascriptpagerdutyteam-developer-foundationsrenovate-enabledcategory-distributed
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