Top expert inMinecraft Development and Server Management
Nils Jahnke is an Innovation Engineer with nine years of experience blending applied research, product ownership and hands-on software development across industrial and data infrastructure domains. Based at Fraunhofer ISST, he leads data marketplace and blockchain-enabled financing products while advising on data architecture, metadata management and strategic data initiatives for national and international partners. His background in industrial engineering and ongoing PhD in Information Systems complements practical delivery—migrating 40,000+ product records, building MES-to-simulation pipelines, and running agile projects. An active open-source back-end contributor, he has improved robustness in widely used Minecraft ecosystem projects like ViaVersion and KyoriPowered/adventure, demonstrating meticulous parsing and data-handling skills. Colleagues value his ability to translate complex research into production-ready systems and to bridge technical, strategic and stakeholder needs.
9 years of coding experience
Semester abroad, Industrial Engineering, Semester abroad, Industrial Engineering at Tecnológico de Monterrey
Master of Science - MS, Industrial Engineering, Master of Science - MS, Industrial Engineering at TU Dortmund University
PhD, Information Systems, PhD, Information Systems at Technische Universität Braunschweig
Allows of newer clients to connect to older server versions for Minecraft servers.
Role in this project:
Back-end Developer
Contributions:43 releases, 610 reviews, 945 commits in 4 years 4 months
Contributions summary:Nils contributed to the development and maintenance of ViaVersion, a plugin designed to allow newer Minecraft clients to connect to older server versions. The commits focused on fixing bugs, such as parsing issues with custom recipes, addressing data loss in certain situations, and improving the handling of chat messages, including implementing chat type functionality and fixing issues with the display of text. Furthermore, the user updated Java-related code.
A user-interface library for Minecraft: Java Edition
Role in this project:
Back-end Developer
Contributions:1 review, 15 commits, 9 PRs in 1 year 4 months
Contributions summary:Nils primarily focused on improving the parsing and handling of data within the NBT (Named Binary Tag) format, a core component of the user-interface library. They fixed issues related to array reading, empty compound parsing, and trailing commas. The user also addressed several bugs related to parsing floating-point numbers and ensuring the correct handling of different data types, improving the library's overall robustness.
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