John Fletcher
Staff Engineer at codecentric AG
Langen, Hesse, Germany
Summary
🤩
Rockstar🎓
Top SchoolJohn Fletcher is a Staff Engineer with 15 years’ experience helping teams and organisations boost delivery, quality and developer impact through technical coaching, process change and pragmatic architecture. Based in Langen, Germany, he has led cross-continental teams and modernised critical banking and telemedicine systems—delivering REST APIs, tooling improvements and scalable redesigns that reduced code and increased reliability. He specialises in driving change without formal authority, starting at team-level and scaling influence to management while keeping work enjoyable and sustainable. A seasoned conference speaker and former Junior World Champion snowboarder, he blends high-performance team habits with a competitive, disciplined mindset. His background spans enterprise banking, healthcare and government projects, and he consistently pairs hands-on engineering with people-focused leadership to create measurable organisational improvements.
15 years of coding experience
14 years of employment as a software developer
Australian National UniversityMosman Prep
English, Spanish, German, French
Github Skills (200)
parser10
http-api10
testing10
test-framework10
wiremock10
chaos10
rest10
chaos-engineering10
json10
java10
mock-server10
stubbing10
mocking10
spring-boot10
spring-cloud10
Programming languages (11)
Github contributions (5)
fletchgqc/cai-theme
Nov 2015 - Feb 2019
Contributions:2 PRs, 14 pushes, 2 branches in 3 years 3 months
drupaldrupal-themecai
fletchgqc/chaos-monkey-spring-boot
Jun 2019 - Jun 2021
Chaos Monkey for Spring Boot
Contributions:3 PRs, 27 pushes, 9 branches in 2 years
spring-bootchaosmonkeyspringchaos-monkey
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