Cosmo Wolfe
Head Of Technology at Metronome
San Francisco, California, United States
Summary
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RockstarCosmo Wolfe is a seasoned technology leader with 13 years of experience building web, security, and identity systems, now serving as Head of Technology at Metronome after joining as a founding engineer. He combines hands-on engineering (notably authoring and refining the jsQR pure-JavaScript QR decoding library) with team-building and product-oriented systems design, and is currently reinventing billing at a fast-growing fintech. His background spans founding roles and client-facing freelance work, giving him a knack for taking over complex, messy codebases and delivering pragmatic, auditable solutions. Based in San Francisco, he pairs a practical engineering mindset with an unusual blend of low-level signal processing experience and security-first architecture.
13 years of coding experience
15 years of employment as a software developer
Stackoverflow
6,306reputation
1.1mreached
1answer
1question
Github Skills (14)
typescript10
javascript10
typescripts10
image-processing10
typescript-types10
testing9
react-native-ios6
autocomplete6
html6
google-chrome6
forms6
react-native6
react-native-webview6
autofill6
Programming languages (11)
Github contributions (5)
cozmo/jsQR
Dec 2015 - Apr 2020
A pure javascript QR code reading library. This library takes in raw images and will locate, extract and parse any QR code found within.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:96 commits, 55 PRs, 123 pushes in 4 years 5 months
Contributions summary:Cosmo's primary contribution was the development and refinement of the `jsQR` library, focused on QR code reading in pure JavaScript. Their work involved a complete rewrite of the binarization process for image data, improvements to the QR code locator and extractor components. Significant efforts also involved fixing critical decoding errors and improving performance. Tests and documentation are added to support the code.
code-readingqrcodejavascript-qrtakesjavascript
cozmo/senatus
May 2015 - Aug 2017
Open source google moderator alternative - https://senatus.io/
Contributions:21 commits, 12 PRs, 27 pushes in 2 years 3 months
moderator
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