Yoshi Jäger
Engineering Lead at DigiCorp Labs
Wimpasing, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolYoshi Jäger is an Engineering Lead and staff-level systems engineer with a decade of experience building secure, high-performance software across OS, HPC, and blockchain stacks. He combines low-level expertise in C/C++ and Rust with full-stack and cloud proficiency, shipping everything from mobile apps to blockchain core features like memory-mapped storage and Dandelion transaction privacy in DigiByte. Currently leading engineering at DigiCorp Labs while serving as CTO at YY Interactive, he focuses on secure authentication and enterprise blockchain delivery. Known for rapid prototyping and reverse engineering, he balances pragmatic MVP delivery with deep systems optimizations and performance tuning. Based in Bavaria, he brings a hands-on, security-oriented approach that surfaces non-obvious wins—such as on-demand block loading to reduce memory footprint in constrained environments.
10 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering - BE, Applied Computing Technology, Bachelor of Engineering - BE, Applied Computing Technology at Universität der Bundeswehr München
Stackoverflow
1,190reputation
100kreached
13answers
2questions
xcode
top-5%
code-signing
top-5%
Github Skills (15)
memory-management10
c-language10
cprogramming-language10
blockchain10
networking9
code-signing9
xcode9
expo6
objective-c6
ios6
svg6
swift6
javascript6
react-native6
react6
Programming languages (16)
Github contributions (5)
digibyte/digibyte
Dec 2018 - Aug 2021
DigiByte Core 7.17.2 - CURRENT (1-30-2020) - 8.19.0 Development
Role in this project:
Back-end Developer
Back-end DeveloperContributions:281 commits, 12 PRs, 1 push in 2 years 8 months
Contributions summary:Yoshi implemented memory mapping functionality to optimize the DigiByte core, specifically introducing a configure flag and related code changes to enable memory-mapped files on Unix systems for low-memory environments. They also modified the net processing code, incorporating block loading on demand to optimize the blockchain data management. Furthermore, the user integrated Dandelion protocol, enhancing transaction privacy. The contributions include code modifications, adding functionality, and protocol implementations related to transaction and block processing.
blockchain-platformblockchaindockerblockchain-networkcryptocurrency
DigiByte-Core/rosetta-node-sdk
Jun 2020 - May 2021
Coinbase Rosetta Node API Implementation using NodeJS
Contributions:2 reviews, 98 commits, 2 PRs in 10 months
apicoinbaserosettanode-apicryptocurrency
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