Peter Kelm is a technology entrepreneur and engineer based in Erlangen, Germany, with a decade of leadership in engineering, product development, and technical marketing. As owner of Kelm Engineering and partner at KelmMoyles since 2010, he combines hands-on engineering with strategic product delivery. He began his career as a Dipl.-Ing. in aerospace at Schaeffler KG, providing a solid analytical foundation before venturing into software and startups. An active open-source contributor, he worked on the acmesh-official/acme.sh project as a back-end/API developer, building DNS API integrations with Variomedia for ACME challenges and patching wildcard certificate issues. His profile sits at the intersection of engineering rigor and market-driven product thinking, translating complex tech into reliable automation and APIs. Based in Germany, he brings a practical, cross-disciplinary perspective to delivering scalable, secure automation solutions.
10 years of coding experience
1997, Luft- und Raumfahrttechnik / Aerospace Technology, 1997, Luft- und Raumfahrttechnik / Aerospace Technology at Technische Universität Berlin
A pure Unix shell script implementing ACME client protocol
Role in this project:
Back-end Developer / API Developer
Contributions:6 commits, 5 PRs, 8 comments in 8 months
Contributions summary:Peter contributed to the implementation and maintenance of a DNS API integration for Variomedia within the acme.sh project. Their work includes adding, removing, and modifying DNS records using the Variomedia API, specifically for ACME challenges. They addressed bug fixes related to wildcard certificates and reflected recent changes in the Variomedia API, demonstrating a focus on API interaction and functionality. Code changes predominantly involve shell scripting related to DNS API interaction.
Contributions:2 reviews, 51 commits, 7 PRs in 3 years 7 months
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