Mike Engel
Senior Front End Engineer at Customer.io
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolMike Engel is a Senior Front End Engineer based in Zurich with over a decade of experience blending design sensibilities and practical engineering to build polished, user-focused web applications. He’s led and mentored teams at startups and enterprise firms, driving front-end standardization, better testing practices, and visual redesigns while also stepping into engineering management when needed. A pragmatic polyglot, Mike maintains several open-source projects and has contributed to notable repos like picturefill and Segment’s action-destinations, as well as building a high-performance Rust jwt-cli that adds RSA/ECDSA support and UX-friendly error output. His background in communications design informs a strong emphasis on accessible, well-documented interfaces and prototypes that improve cross-functional collaboration.
12 years of coding experience
6 years of employment as a software developer
Communications Design, Design and Visual Communications, General, Communications Design, Design and Visual Communications, General at Rocky Mountain College of Art + Design
English, German
Github Skills (20)
javascript10
apidoc10
testing10
web-token10
responsive-design10
typescript10
api10
cryptography10
jsonwebtoken10
typescript-types10
jwt10
html10
command-line-tool10
rust10
typescripts10
Programming languages (14)
Github contributions (5)
mike-engel/jwt-cli
Mar 2017 - Jan 2023
A super fast CLI tool to decode and encode JWTs built in Rust
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:42 releases, 51 reviews, 108 commits in 5 years 11 months
Contributions summary:Mike significantly contributed to the development of the `jwt-cli` tool. They implemented support for RSA and ECDSA algorithms, enabling the generation and verification of JWTs with various signing methods. They also refactored the codebase, swapping the `frank_jwt` library for `jsonwebtoken`, and updated the tool to use the latest versions of dependencies. Furthermore, the user improved the user experience by enhancing the output formatting and improving the clarity of error messages.
command-line-tooljsonwebtokenjwt-clisuper-fastrust
scottjehl/picturefill
Nov 2014 - Apr 2016
A responsive image polyfill for <picture>, srcset, sizes, and more
Role in this project:Front-end Developer
Front-end DeveloperContributions:45 commits, 38 PRs, 42 pushes in 1 year 4 months
Contributions summary:Mike primarily contributed to the front-end aspects of the picturefill project. Their work focused on updating the documentation to improve clarity and incorporate new features. They made modifications to the HTML, including updating the version references and examples. They also implemented changes to the documentation to address issues and enhance the user experience.
srcset-sizesimagepolyfillresponsive-imagespicture
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