Juergen Fesslmeier
Sr. Software Engineer at SpaceX
Palo Alto, California, United States
Summary
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SeniorJuergen Fesslmeier is a seasoned senior software engineer and product leader with 14+ years shipping scalable, profitable products across Cloud, Mobile, and Web platforms, now building software at SpaceX. He blends hands-on engineering (Ruby, Rails, JavaScript, Python, Java, C/C++) with product ownership—architecting a large VOD service, defining a PaaS strategy for JS stacks, and launching global developer tools like JBuilder. As a founder/CTO and former director of product management, he has bootstrapped startups, raised funding, and led cross-functional teams at companies including Twitter, Hybris, and SyncTV. He speaks at major industry conferences and has a knack for simplifying complex systems with pragmatic, agile approaches that scale to thousands of users.
14 years of coding experience
19 years of employment as a software developer
English, German, Spanish
Github Skills (120)
wysiwyg10
waveform10
audiowaveform10
javascript10
audio10
music10
patch10
quill10
typescript10
rich-text-editor10
editor9
html9
rmagick9
sketch9
extensibility9
Programming languages (10)
Github contributions (5)
chinshr/diarize-ruby
Jul 2016 - Dec 2016
Contributions:47 commits, 16 PRs, 26 pushes in 5 months
deep-learningspeakeridentificationsegmentation
chinshr/vz-cpw
Mar 2015 - Apr 2025
Contributions:1 push, 1 branch in 10 years 2 months
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