David Jellesma
Senior Architect at Mimecast
Natick, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolDavid Jellesma is a Senior Architect with 15 years of full-stack engineering and platform leadership experience, currently shaping tooling and developer experience at Mimecast. He has led UI platform efforts at Sophos—owning npm/webpack processes, component libraries, and cross-team integrations—to keep teams focused on delivering business value rather than reinventing build and deployment mechanics. Comfortable across Java, Node.js, Ruby, and modern JS frameworks, he combines hands-on coding with product ownership to streamline developer workflows and reduce technical debt. Based in Natick, MA, he brings a pragmatic psychology background to team dynamics and developer ergonomics, favoring tooling choices that boost velocity and morale.
15 years of coding experience
13 years of employment as a software developer
Framingham State UniversityB.A., Psychology, B.A., Psychology at University of Massachusetts Amherst
Github Skills (48)
cli10
javascript10
build-system10
workspaces10
grid-layout10
packagist10
ui-grid10
monorepo10
extensible10
nodejs10
react10
angular10
guzzle9
cypress9
nx-workspace9
Programming languages (4)
Github contributions (5)
dsjellz/tag_bearer
May 2015 - Jun 2015
Contributions:21 commits, 18 PRs, 24 pushes in 21 days
ruby-on-railsrailsrubyactiverecord-modelsgem
constantcontact/ctct_php_library
May 2011 - Jan 2012
Contributions:8 commits in 8 months
constantphp-libraryphp
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