Daniel Zeller
Principal Software Engineer at Okta
Portland, Maine Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolDaniel Zeller is a Principal Software Engineer with a decade of deep experience in identity, authorization, and federation protocols, currently shaping security architecture at Okta from Portland, Maine. He progressed through multiple engineering levels at Okta—moving from backend work on OIDC, OAuth2 and SAML to staff and principal roles—demonstrating both hands-on protocol expertise and technical leadership. Daniel pairs a strong computer science foundation from Bowdoin College with practical experience maintaining large-scale authorization stacks that power secure customer access. He is passionate about online security and privacy, focused on building reliable, auditable systems that reduce risk for enterprises. Colleagues would describe him as a pragmatic problem-solver who translates complex standards into production-ready solutions while mentoring engineers on secure design patterns.
10 years of coding experience
7 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Bowdoin College
Github Skills (15)
css10
okta10
authentication10
api-auth9
ws-federation7
api7
nodejs6
javascript6
saml-service-provider6
auth6
service-provider4
testing4
saml3
federation2
identity-provider2
Programming languages (4)
Github contributions (5)
danielzeller-okta/okta-signin-widget
Nov 2017 - Jun 2020
Okta SignIn widget that renders the new login/auth/recovery flows
Contributions:15 pushes, 4 branches, 2 comments in 2 years 7 months
widgetflowslogin-authrecoveryokta
danielzeller-okta/saml-sp
Aug 2017 - Jun 2018
Contributions:1 push, 1 branch in 10 months
node-providerprovidersamlservice-providersaml-service-provider
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