Johannes Engelke
Freelance Information Technology Consultant
Mühldorf a. Inn, Bavaria, Germany
Summary
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Rockstar🎓
Top SchoolJohannes Engelke is a freelance IT consultant and cloud developer with 12 years of experience specializing in SAP Sales & Service Cloud V2, SAP BTP extensibility, and AI-driven automation. He combines product management experience from SAP with hands-on engineering skills—CAP, RAP, Node.js, microservices, CI/CD, and modern front-ends—to deliver scalable, user-centric cloud solutions. His background spans system engineering and cloud infrastructure work at SAP Hybris to product leadership roles shaping Customer360 and serverless initiatives, giving him rare end-to-end insight from architecture to go-to-market. Johannes also contributes to open-source projects such as openHAB add-ons, where he improved device configurability and maintainability, reflecting a practical maker mindset. Based in Bavaria, he blends design thinking and IT strategy to align technology with measurable business outcomes while staying deeply involved in implementation.
12 years of coding experience
14 years of employment as a software developer
Berufsausbildung Fachinformatiker Systemintegration, Berufsausbildung Fachinformatiker Systemintegration at Siemens Professional EducationInnovation and Business Creation, Innovation and Business Creation at Technical University of MunichBerufsausbildung Chemisch Technische Assistenz, Berufsausbildung Chemisch Technische Assistenz at Berufliche Schule Chemie, Biologie, Pharmazie, Agrarwirtschaft HamburgDiplom (FH) Wirtschaftsinformatik, Diplom (FH) Wirtschaftsinformatik at AKAD University
Stackoverflow
1reputation
0reached
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Github Skills (5)
javas10
configuration-management10
serial-communication10
java10
documentation9
Programming languages (10)
Github contributions (5)
openhab/openhab1-addons
Oct 2014 - Oct 2014
Add-ons for openHAB 1.x
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 2 PRs, 3 comments in 3 days
Contributions summary:Johannes primarily focused on extending the functionality of the openHAB add-ons, specifically for the CUL (CUL868) interface. They implemented parameterization for flexible configuration, allowing for baudrate and parity settings to be set, enhancing the device's adaptability. Furthermore, the user cleaned up imports and added documentation to the code, improving maintainability and usability for other developers. They also integrated baudrate and parity settings.
add-onsopenhabaddononsinternet-of-things
hybris/riemann-boshrelease
Jul 2014 - Dec 2016
Contributions:42 commits, 1 PR, 2 pushes in 2 years 5 months
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