Matteo Melli
Senior Software Engineer at OnGres
San Sebastián de los Reyes, Community of Madrid, Spain
Summary
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Rockstar🎓
Top SchoolMatteo Melli is a Senior Software Engineer and architect with over 15 years of development experience, currently leading the StackGres project at OnGres and specializing in Java, PostgreSQL, and Kubernetes. He brings deep operational knowledge of database systems—eight years on PostgreSQL and three years focused on Kubernetes/OpenShift—paired with a knack for Linux, shell scripting, and automation. Matteo has a strong track record of fixing complex upgrade, API, and configuration issues in open-source infrastructure (notably the StackGres Operator) and has contributed database migration and analytics features in projects like ToroDB. Based in Madrid, he combines hands-on backend and DevOps engineering with software architecture consulting, turning operational pain points into robust, production-ready solutions. An engineer comfortable across code, scripts, and orchestration, he often surfaces subtle infrastructure bugs that others miss.
10 years of coding experience
11 years of employment as a software developer
Electronic, Electronic at ITIP E.FermiBachelor's degree, Computer Engineering, Bachelor's degree, Computer Engineering at Università degli Studi di Modena e Reggio Emilia
Italian, Spanish, English
Stackoverflow
1,905reputation
436kreached
6answers
0questions
namespaces
top-1%
kubernetes
top-5%
Github Skills (25)
kubernetes10
postgresql10
scripting10
java10
javas10
script10
kubernetes-pods10
sh10
namespaces10
shell10
devops10
jdbc9
rest-api8
database-design8
testing8
Programming languages (10)
Github contributions (5)
ongres/stackgres
Aug 2019 - May 2022
StackGres Operator, Full Stack PostgreSQL on Kubernetes // !! Mirror repository of https://gitlab.com/ongresinc/stackgres, only accept Merge Requests there.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:2859 commits in 2 years 9 months
Contributions summary:Matteo's contributions focused on fixing issues related to the StackGres project, particularly regarding the database setup and configuration. They addressed bugs in the major version upgrade process, fixed errors with the REST API, and improved the handling of connection issues with the pgbench database. Their work included modifications to bash scripts, the Java code, and configuration files.
full-stackrepository-mirroroperatorgitlabmerge-requests
torodb/stampede
Dec 2015 - Oct 2018
The ToroDB solution to provide better analytics on top of MongoDB and make it easier to migrate from MongoDB to SQL
Role in this project:Back-end Developer & Database Engineer/Administrator
Back-end Developer & Database Engineer/AdministratorContributions:5 releases, 629 commits, 116 PRs in 2 years 11 months
Contributions summary:Matteo's contributions focused on enhancing the ToroDB solution to provide better analytics on top of MongoDB and make it easier to migrate from MongoDB to SQL. The code changes involved fixing issues with instant type handling in JDBC bindings, implementing support for upserts, and migrating working and non-working JSTests from a MongoDB version. They also added support for schema migrations and creating root indexes.
analyticsmongosqldatabaseon-top
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