Christian Sciberras
Senior Software Engineer at YUMMY Publishing GmbH
Dornbirn, Vorarlberg, Austria
Summary
👤
Senior🎓
Top SchoolChristian Sciberras is a Senior Software Engineer with 16 years of experience building reliable backend systems across marketing, travel, insurance and retail for desktop, mobile and web platforms. Based in Dornbirn, Austria, he combines hands-on PHP and Kotlin development with DevOps sensibilities, having improved build and testing pipelines and Docker-based workflows. He has a track record of stabilizing and modernizing codebases—fixing platform-specific issues like Windows path normalization in the JanePHP OpenAPI tooling and hardening integrations across multiple e‑commerce and payroll systems. Comfortable in microservice architectures and legacy modernization, he excels at pragmatic engineering that reduces friction for teams and improves deployment reliability. Colleagues rely on him for deep debugging, thoughtful refactors, and cross-project contributions that boost overall code quality.
16 years of coding experience
10 years of employment as a software developer
German language course, German language course at The University of FreiburgA-level Computing, English, Pure Mathematics, Computer Studies, Marketing, Physics, A-level Computing, English, Pure Mathematics, Computer Studies, Marketing, Physics at Sir MA RefaloIT Essentials 1, Technician essentials training, IT Essentials 1, Technician essentials training at STC Higher Education
Maltese, English, Italian, German, French
Stackoverflow
27,788reputation
5.5mreached
456answers
115questions
mysql
top-5%
webserver
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oop
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dynamic
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jquery
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javascript
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Github Skills (37)
filesystem10
javascript10
docker10
json-schema10
testing10
windows10
bash10
dockers10
cicd10
php10
file-handling10
internet-explorer10
coding-style10
openapi10
mysql9
Programming languages (23)
Github contributions (5)
JetBrains/phpstorm-stubs
Feb 2022 - Mar 2022
PHP runtime & extensions header files for PhpStorm
Role in this project:
DevOps Engineer
DevOps EngineerContributions:5 reviews, 9 commits, 3 PRs in 21 days
Contributions summary:Christian primarily focused on improving the testing and build processes within the repository. They generated reflection data for testing, integrated a stub map check into the test runner, and configured Docker for testing various PHP versions. Furthermore, the user streamlined the test execution by removing unnecessary command-line arguments and optimizing the Docker setup. These changes are indicative of a focus on build and deployment efficiency.
headerphpruntimeextensionscomposer
janephp/janephp
Jan 2023 - Jan 2023
:seedling: Jane is a set of libraries to generate Models & API Clients based on JSON Schema / OpenAPI specs
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 5 commits, 4 PRs in 3 days
Contributions summary:Christian primarily focused on improving the codebase by addressing path-related issues, specifically for Windows environments. Their contributions involved modifying several files within the project's component structure, including those related to JSON schema handling and OpenAPI integration, to ensure correct path normalization. Additionally, the user performed code style fixes and addressed circular reference and null pointer errors to improve the stability and functionality of the project. These commits demonstrate a strong understanding of the project's internal workings and commitment to code quality.
openapi-schemapsr18apiapi-clientsseedling
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