Stephan Hoyer
Softwareentwickler at Freiberufler
Leipzig, Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolStephan Hoyer is a seasoned German software developer with 16 years of hands-on experience building both front-end and back-end systems and co-founding tutory.de. Based in Leipzig and trained as a Diplom-Ingenieur in Computer Science from Universität Leipzig, he blends academic rigor with practical craftsmanship as a freelance developer. He contributes to notable open-source projects like Mithril.js—improving rendering semantics and the m.request API—and has strengthened node-orm2 through targeted testing and reliability fixes. His work shows a pragmatic focus on correctness, test automation, and subtle UX details such as proper handling of falsy values and title attributes. Comfortable across the stack, Stephan combines entrepreneurial instincts with deep debugging and API design experience. Colleagues value him for shipping durable fixes that prevent edge-case regressions rather than flashy rewrites.
16 years of coding experience
Diplom-Ingenieur, Computer Science, Diplom-Ingenieur, Computer Science at Universität Leipzig
Github Skills (25)
application-framework10
unit-testing10
javascript10
testing10
app-framework10
mithriljs10
web-framework10
test-integration10
test-unit10
unit-test10
integration-testing10
test-automation10
virtual-dom9
x9
sqlite8
Programming languages (9)
Github contributions (5)
MithrilJS/mithril.js
May 2016 - Jun 2022
A JavaScript Framework for Building Brilliant Applications
Role in this project:
Front-end Developer
Front-end DeveloperContributions:45 reviews, 47 commits, 74 PRs in 6 years 1 month
Contributions summary:Stephan primarily contributed to the Mithril.js framework by fixing bugs and adding new features related to rendering and the `m.request` API. They addressed issues with rendering falsy values, ensured correct handling of title attributes, and added support for timeout and response type configurations within the request function. Their work involved modifying core rendering logic, test suites, and the request module, demonstrating a focus on improving the framework's functionality and API.
virtualdomvirtual-domjavascript-frameworkjavascriptframework
dresende/node-orm2
May 2013 - Jun 2013
Object Relational Mapping
Role in this project:Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:5 commits in 23 days
Contributions summary:Stephan primarily contributed to testing and improving the `node-orm2` library. They wrote tests for reverse associations, specifically focusing on hasOne relationships and how they interact. Several commits involved refactoring the testing setup and correcting test configurations to ensure accurate behavior verification. The user also addressed a minor typo in the common testing utilities.
relationalmysqlredshiftsqlitemapping
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