Jacob Heun
Software Engineer at Code4rena
Germany
Summary
🤩
Rockstar🎓
Top SchoolJacob Heun is an experienced software engineer and engineering manager with 11 years building scalable web and distributed systems, particularly in JavaScript, Java, and AWS. He spent several years leading engineering at Protocol Labs and has deep hands-on experience with IPFS and libp2p—contributing performance, networking, and private-network protections to widely used open-source projects. Equally comfortable in backend and DevOps roles, he has a proven track record of improving reliability, testing, and bootstrapping processes in production systems. At meltmedia he combined technical leadership with people management to deliver microservice architectures and ramp teams and standards. Now based in Germany, he blends systems-level networking expertise with product-focused engineering and occasional startup founder instincts from his Openbrew work. Colleagues would note his knack for pragmatic refactors that unlock performance and simplify complex distributed behaviors.
11 years of coding experience
13 years of employment as a software developer
Bachelor of Science, Exercise and Wellness, Bachelor of Science, Exercise and Wellness at Arizona State UniversityBS, Game Programming, BS, Game Programming at University of Advancing Technology
Stackoverflow
46reputation
1kreached
1answer
0questions
Github Skills (16)
decentralization10
configuration-management10
nodejs10
ipfs10
javascript10
go10
libp2p10
testing10
cicd9
distributed-systems9
websocket8
distribute7
peer-to-peer7
immutables7
dockers5
Programming languages (17)
Github contributions (5)
libp2p/js-libp2p
Jun 2018 - Dec 2020
The JavaScript Implementation of libp2p networking stack.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:55 releases, 109 reviews, 449 commits in 2 years 6 months
Contributions summary:Jacob primarily focused on improving the reliability and functionality of the libp2p networking stack by addressing collision issues in testing and implementing essential start and stop functionalities for connection management. The contributions extended to enhancements in private network protection by adding checks and enforcing proper network configurations, alongside adding delegation peer and content routing support. Furthermore, the user also addressed general improvements within the code, including the addition of examples and updated dependencies.
ipfsp2pjavascriptnetworkingjs-ipfs
ipfs/js-ipfs
Mar 2018 - Oct 2020
IPFS implementation in JavaScript
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 reviews, 45 commits, 39 PRs in 2 years 7 months
Contributions summary:Jacob primarily contributed to enhancing the core functionalities of the IPFS JavaScript implementation. They added the capability to use CID instances within the `files.cat` function, streamlining file retrieval. Additional contributions involved refactoring the codebase to leverage the newer `libp2p-mplex` module and other libp2p updates and fixing errors in the boot process and database initialization. Furthermore, the user worked on improving the resilience of the CLI's swarm addrs command, as well as adding tests for several components.
ipfsipldp2pjavascriptjs-ipfs
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