Michael Sievers
Software Engineer at WPS Management GmbH
Paderborn, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolMichael Sievers is a full-stack software engineer with 14 years’ experience, specializing in Java backend systems, data processing and Elasticsearch, with a background in Ruby on Rails. Based in Paderborn, Germany, he has built library-grade information retrieval and indexing systems, led data normalization pipelines, and maintains an eye for clean, maintainable code. He contributes to open-source front-end projects like fabric.js, where he refactored DOM/event utilities and improved parser architecture, reflecting hands-on craftsmanship across the stack. Comfortable with relational databases and complex backend mechanics, he blends research-driven development from his university work with production engineering at SMBs. Notably, his career shows a consistent focus on search, metadata and performance-sensitive data workflows rather than flashy consumer UI work.
15 years of coding experience
6 years of employment as a software developer
Bachelor of Science (B.Sc.), Computer Science, Bachelor of Science (B.Sc.), Computer Science at Paderborn University
German, English
Stackoverflow
46reputation
2kreached
2answers
0questions
Github Skills (12)
dom-manipulation10
fabric10
javascript10
fabricjs10
front-end-development10
spring-data6
mongodb6
spring-data-mongodb6
spring6
ruby6
ruby-on-rails6
java6
Programming languages (11)
Github contributions (5)
fabricjs/fabric.js
Nov 2013 - Feb 2014
Javascript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser
Role in this project:
Front-end Developer
Front-end DeveloperContributions:6 commits in 2 months
Contributions summary:Michael focused on enhancing the Fabric.js library by refactoring and improving utility functions related to DOM manipulation and event handling. They moved functions for calculating scroll offsets from `dom_events.js` to `dom_misc.js` and updated the `getElementOffset` function to incorporate the scroll offset calculation. Additionally, the user refactored the `ElementsParser` class, converting it into a constructor function with methods moved to the prototype. Finally, they made some minor code improvements, adding semicolons and fixing small omissions.
javascriptparsersvg
msievers/zstandard-ruby
Dec 2016 - Mar 2019
Contributions:41 commits, 91 pushes, 4 branches in 2 years 3 months
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