Carlo Jelmini is a senior software engineer based in Echallens, Switzerland, with over 16 years of Java/JEE experience and a recent focus on functional programming in Scala, Kotlin and microservice architectures. He has progressed from hands-on developer roles to tech lead and principal positions, currently contributing at Adobe after several years driving architecture and delivery at SICPA. Carlo blends deep backend expertise—evidenced by contributions to the Apache Jackrabbit Oak project improving cache reliability—with practical DevOps skills in Kafka, Docker, Kubernetes and OpenShift. A pragmatic advocate of TDD and agile practices, he pairs object-oriented design with functional techniques to solve race conditions and resource-leak challenges in production systems. His background in both academia and industry, plus an early career in social work and electronics, gives him a rare mix of technical depth and human-centered collaboration.
4 years of coding experience
18 years of employment as a software developer
Master, Computer Science, Master, Computer Science at University of Geneva
Diploma, Social work, Diploma, Social work at Institut d'Etudes Sociales
Diploma, Electro-technician, Diploma, Electro-technician at SAMB
Contributions:46 reviews, 19 commits, 25 PRs in 11 months
Contributions summary:Carlo primarily contributed to the back-end functionality of the Apache Jackrabbit Oak project. Their work involved fixing configuration issues related to Redis cache timeouts and improving the cleanup process of the PersistentDiskCache. The commits indicate a focus on optimizing the system's performance and reliability by addressing potential race conditions and resource leaks. These changes involved modifications to core Java classes related to caching mechanisms.
Contributions:102 pushes, 48 branches in 3 years 2 months
jackrabbit-oakapachejavaoakjackrabbit
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