Marcelo Altmann works as a Senior Software Engineer at Readyset - a caching layer compatible with MySQL. Before joining Readyset, he was a Senior Software Engineer at Percona, where he made significant contributions to various software projects, particularly Percona XtraBackup, for which he developed FIFO Streaming and ZSTD compression and other functionalities. His career also includes roles as a MySQL DBA for Ireland's CCTLD and as a DBA/PHP developer in Brazil.