Seth Marple
Co-Founder, CTO at Calibyr Corporation
Columbia, Maryland, United States
Summary
👤
Senior🎓
Top SchoolSeth Marple is a pragmatic full-stack software engineer and co-founder/CTO with eight years of experience building secure, scalable web applications and cloud platforms from prototype to production. He leads a woman-owned small business, Calibyr Corporation, where he applies hybrid Agile practices to reduce acquisition risk and deliver continuous value to government and commercial clients. Comfortable across front-end React/Redux and back-end Node/Java ecosystems, Seth has a track record automating testing, DevOps (Docker, AWS), and observability pipelines using Elasticsearch/Kibana. He combines technical leadership with hands-on implementation—having built GreyBox mock REST systems, cross-platform tooling for PKI test certs, and accessible, 508-compliant UIs. Seth’s background pairs an M.S. in Computer Science from Johns Hopkins with early user-facing roles, giving him a rare blend of usability-driven design and systems engineering.
8 years of coding experience
9 years of employment as a software developer
McDaniel College, Budapest, HungaryJohns Hopkins UniversityBachelor of Arts (B.A.) English and Computer Science Majors and Writing Minor, Bachelor of Arts (B.A.) English and Computer Science Majors and Writing Minor at McDaniel CollegeHS Diploma, HS Diploma at Bel Air High School
Github Skills (18)
rest10
rest-api10
intermediate9
security9
swagger9
cybersecurity9
css9
threat-intelligence9
api9
swagger-ui9
oas9
openapi9
redoc8
cyber-threat-intelligence8
javascript8
Programming languages (2)
Github contributions (5)
Marpyre/MADCert
Apr 2021 - Jul 2021
Create root and intermediate Certificate Authorities, issue user and server certificates, etc. for testing purposes.
Contributions:7 pushes, 15 branches, 1 tag in 3 months
authoritiestestingcertificatescertificateintermediate
Marpyre/github-pages-with-jekyll
Feb 2019 - Feb 2019
Contributions:5 PRs, 5 pushes, 6 branches in 1 day
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