Keep Instagram up.

Improve server efficiency, performance and reliability.

Optimize end to end message delivery.

I helped to scale the security of the best social platform in the world.

Built PKI infrastructure and secured internal traffic with TLS. Scaled infrastructure for SSH, LDAP, Kerberos.

Moved HBase to Linux containers.

Built vulnerability management tools across corporate and production networks.

I contributed to the architecture, operations and reliability of PlayStation games such as LittleBigPlanet, Killzone, Singstar, Tearaway.

Built a cloud based load testing service. Managed AWS infrastructure and configuration management with Chef.

I worked on an ads distribution platform for movie theaters, replacing 35mm analog technology. The platform was adopted by 500+ screens across Italy.

Migrated a monolithic management panel based on Oracle Forms to a distributed Java/Struts web application.

System administration and support of 100+ Linux servers.

JVM performance tuning and monitoring.

Oracle stored procedures optimization.