Chris Blättermann
Chief Technology Officer at HAT.tec GmbH
Munich, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolChris Blättermann is a seasoned technology leader and CTO based in Munich with 14 years of experience building and scaling software teams and products across startups and mid-size companies. He co-founded a payments/tipping platform (eDrixx) and has led software and IT organizations at VoltStorage and riskmethods, combining product vision with hands-on engineering. Comfortable across backend systems and infrastructure, he has made concrete open-source contributions to the Topaz Ruby interpreter, improving integer and symbol handling and reinforcing code quality with tests. Chris bridges strategic leadership and low-level engineering, routinely moving between roadmap decisions and core implementation details. His academic background in computer science complements a pragmatic focus on connectable services and innovative solutions. Colleagues know him for curiosity about new technologies and a knack for turning integration challenges into maintainable systems.
14 years of coding experience
19 years of employment as a software developer
Bachelor Applied Computer Science, Bachelor Applied Computer Science at Informatica en Communicatie Academie Arnhem, NetherlandsAbitur Informatics Mathmatics English, Abitur Informatics Mathmatics English at Andreas-Vesalius-Gymnasium Wesel, GermanyMasters Computer Science, Masters Computer Science at University of Düsseldorf
German, English, Dutch, Spanish
Github Skills (6)
data-structures10
struct10
object-oriented-programming10
interpreter10
data-structure10
ruby10
Programming languages (14)
Github contributions (5)
topazproject/topaz
Jun 2012 - Mar 2013
A high performance ruby, written in RPython
Role in this project:
Back-end Developer
Back-end DeveloperContributions:64 commits in 9 months
Contributions summary:Chris contributed to the implementation of core features related to integer and symbol objects within the Ruby interpreter, Topaz. Their work involved modifying the `intobject.py` and `symbolobject.py` files to enhance integer operations and introduce symbol functionality. Furthermore, the user added and modified test files to validate the newly introduced or modified functionalities within the codebase, specifically focusing on array and range-based operations, with improvements to array slice assignment and element access. The changes included cleaning code and introducing a method alias, demonstrating a focus on code quality and maintainability.
performancepythonrubyhigh-performance
chrblabla/quandl-ruby
Aug 2015 - Jan 2022
Contributions:3 pushes, 5 branches in 6 years 5 months
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