Zeger Hendrikse
Test Driven Development Trainings at IT-Essence BV
Almere, Flevoland, Netherlands
Summary
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Rockstar🎓
Top SchoolZeger Hendrikse is a seasoned technical coach and software engineer with over a decade of experience helping organizations adopt continuous delivery, DevOps and eXtreme Programming practices. He runs Test Driven Development Trainings and his own consultancy, blending hands-on coding expertise with pragmatic coaching to help teams safely ship small changes to production. His background spans banks, fintechs and enterprise clients where he introduced TDD at scale, led CI/CD tool rollouts, and crafted DevOps-compatible controls that preserved continuous integration under strict risk frameworks. He holds a PhD in theoretical and mathematical physics, which informs his analytic approach to measuring delivered value with DORA metrics and designing repeatable engineering journeys. An entrepreneur who also built and runs a luxury jungle cabin in Costa Rica, he brings both technical rigor and an adventurous, practical mindset to team transformation.
9 years of coding experience
12 years of employment as a software developer
Doctor of Philosophy (Ph.D.) Theoretical and Mathematical Physics, Doctor of Philosophy (Ph.D.) Theoretical and Mathematical Physics at Leiden UniversityIntermediate Data Science, Intermediate Data Science at DataCampMaster’s Degree Theoretical physics, Master’s Degree Theoretical physics at University of AmsterdamMurmellius gymnasium
English, Spanish, Dutch
Stackoverflow
1reputation
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Github Skills (26)
spring10
authentication10
spring-security10
java10
security10
spring-boot10
oauth10
tdd9
ports-and-adapters9
coding8
functional-programming8
clojure-cli4
timer4
adapter4
rdd4
Programming languages (4)
Github contributions (5)
zhendrikse/tdd
May 2023 - Mar 2025
Materials for practicing and teaching test-driven development (TDD)
Contributions:100 PRs, 1078 pushes, 5 branches in 1 year 9 months
codesmellscoding-dojocoding-dojoscoding-katacoding-katas
zhendrikse/physics-in-python
Dec 2024 - Feb 2025
Visualizing physics and mathematics using Python
Contributions:595 pushes, 1 branch, 3 issues in 2 months
mathematicsmodelingphysicspythonvisualizations
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