Christos Kalantzis
San Jose, California, United States
Summary
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RockstarChristos Kalantzis is a seasoned technology leader and CTO based in San Jose who combines deep systems engineering with executive product delivery. He currently leads technology at HUMAN and previously served as CTO & EVP of Engineering at SecurityScorecard and senior engineering roles at FireEye, Tenable and Netflix, where he built and operated massive distributed datastores (Cassandra, Elasticsearch, Dynomite) and helped create Dynomite and the Dyno client. Known for operational pragmatism, he has driven appliance-to-SaaS and DevOps transformations, introduced SLI/SLO practices, reduced infrastructure costs through accountability, and raised engineering brand awareness (e.g., starting the Tenable TechBlog). An early database expert and former podcast host (theMySQLguy), he mentors startups and advises several security-focused ventures, blending hands-on scalability experience with strategic leadership.
10 years of coding experience
Github Skills (7)
repair9
consistency6
cassandra6
java5
java-client5
apache4
jdbc3
Programming languages (2)
Github contributions (3)
ckalantzis/cassTickler
Dec 2015 - Sep 2018
Contributions:15 commits, 1 PR, 11 pushes in 2 years 9 months
cassandraapacheapache-cassandrarecordconsistency
Netflix/astyanax
Mar 2015 - May 2015
Cassandra Java Client
Contributions:7 comments, 7 issues in 1 month
cassandrajavajdbccassandra-javajava-client
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