Marc Worrell
CTO at WhatWebWhat
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolMarc Worrell is a seasoned CTO and software architect with 16+ years building scalable web and content management systems, currently leading LearningStone and steering product and engineering at Maximonster. He specializes in Erlang-driven back-end systems and is a long-time Zotonic contributor, blending deep protocol and database knowledge with pragmatic information architecture. His background spans embedded toolchains, digital asset management and large multi-site CMS deployments (anyMeta), showing a consistent talent for delivering maintainable platforms on small teams and budgets. An active open-source contributor, Marc has improved reliability in the widely used gen_smtp Erlang library, focusing on TLS stability, parsing edge cases and test robustness. Based in Amsterdam, he pairs hands-on engineering with product thinking and a knack for turning complex, evolving content requirements into flexible, extensible architectures.
16 years of coding experience
17 years of employment as a software developer
Informatics, Informatics at University of Utrechtvan EverdingenschoolWerkplaats Kindergemeenschap
Dutch, English, German
Stackoverflow
435reputation
17kreached
11answers
1question
Github Skills (16)
smtpd10
mtls10
tls1210
erlang10
smtp10
smtps10
tls1310
libtls10
testing9
facebook-graph-api6
zotonic6
css6
base646
linkedin-api6
oauth6
Programming languages (12)
Github contributions (5)
gen-smtp/gen_smtp
Feb 2013 - Sep 2021
The extensible Erlang SMTP client and server library.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:23 reviews, 57 commits, 90 PRs in 8 years 8 months
Contributions summary:Marc primarily contributed to bug fixes, performance improvements, and code refactoring within the Erlang-based SMTP client and server library. Their work focused on addressing TLS upgrade crashes, correcting parsing errors in email addresses, and fixing a problem related to the handling of special characters. The user also made improvements to the project's test suite, as seen in the addition of new test cases and fixing existing ones. These commits reflect a focus on improving the reliability and robustness of the SMTP library.
erlangsmtp-client
zotonic/zotonic
Nov 2009 - Jan 2023
Zotonic - The Erlang Web Framework & CMS
Contributions:99 releases, 276 reviews, 10562 commits in 13 years 4 months
cmserlangweb-frameworkzotonicframework
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