Carlos Salguero is a seasoned Go developer with 12 years of experience building backend systems, currently working with MongoDB and AWS out of Rosario, Argentina. He has deep roots in database engineering and observability, notably contributing to the widely used Percona Toolkit by fixing MySQL 5.7 test suites and improving replication and key-handling logic. His career spans high-performance web services, cloud-native Lambda and Kubernetes deployments for gaming clients, and earlier work modernizing legacy systems from COBOL to modern stacks. A Linux, Vim and KDE aficionado, he favors projects he’s passionate about over titles, which shows in long-term ownership roles like tech lead for Percona Toolkit. Comfortable across languages (Go, Python, Perl) and systems (MySQL, MongoDB, RabbitMQ), he combines low-level database insight with practical cloud engineering. An often-overlooked strength is his history migrating and integrating legacy enterprise systems, giving him a rare fluency bridging old and new architectures.
12 years of coding experience
35 years of employment as a software developer
Programador Basic COBOL C Pascal Programación informática, Programador Basic COBOL C Pascal Programación informática at indec
Biomedical engineering, Biomedical engineering at Universidad Nacional de Entre Ríos
Tecnico Tecnico electricista, Tecnico Tecnico electricista at ENET Nº 3
Percona Toolkit: a collection of advanced open source command-line tools.
Role in this project:
Database Engineer / Database Administrator
Contributions:4 reviews, 68 commits, 1 PR in 3 years 4 months
Contributions summary:Carlos's primary contributions focused on fixing and updating tests and sandbox files related to MySQL 5.7 within the Percona Toolkit. These changes included modifications to SQL files, specifically addressing issues related to default SQL modes, invalid timestamps, and the handling of replication channels. Furthermore, the user implemented features, fixed bugs and improved the way the tool handles key names. Their work demonstrates a strong understanding of database internals and the impact of database versions and configurations.
Contributions:2 commits, 1 PR, 1 push in 4 years 3 months
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