Sergio Castiñeyras
Cloud Principal Solutions Architect at Caylent | 20 years of engineering depth | 1,000+ startups modernized across LATAM
Buenos Aires, Argentina
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Sergio Castiñeyras is a Cloud Principal Solutions Architect with over 20 years of experience at the intersection of software engineering and cloud architecture. He specializes in designing systems that scale, leading distributed teams, and helping companies move faster without breaking things.
During his tenure at AWS, Sergio worked directly with 1,000+ startups across Latin America, guiding them through cloud adoption and modernization initiatives. He has presented at AWS re:Invent, led complex cloud migrations, and built the kind of technical trust that makes customers come back.
Currently at Caylent, Sergio focuses on helping enterprises scale on the cloud, leveraging his deep AWS expertise. He is also the author of the open-source aws-hardening guide, a practical, community-driven resource with battle-tested AWS security best practices used by teams across the industry.
Sergio is passionate about cloud security, architecture at scale, and growing the AWS community in Latin America.
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Sergio Castiñeyras
Cloud Principal Solutions Architect at Caylent | 20 years of engineering depth | 1,000+ startups modernized across LATAM
Buenos Aires, Argentina
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