Giuseppe Nespolino
Software Engineer at Clovr Labs
Málaga, Andalusia, Spain
Summary
👤
Senior🎓
Top SchoolGiuseppe Nespolino is a seasoned backend engineer with over 11 years of professional experience and an 18+ year grounding in building scalable, data-intensive Java systems. Based in Málaga, he has driven performance and architecture improvements for globally deployed platforms like DHIS2, optimizing database interactions and event processing at scale. His background spans high-throughput domains—from lawful interception and telecom systems to online gaming and health informatics—using Java, Spring, Postgres/PostGIS, Citus, Kafka and containerization. He mentors junior developers, modernizes stacks, and consistently focuses on code quality and measurable performance gains; one notable open-source contribution streamlined DHIS2 event/comment store queries to reduce unnecessary database calls. Practical, detail-oriented and experienced in integrating complex systems, he brings a track record of turning heavy data workloads into efficient, maintainable services.
10 years of coding experience
19 years of employment as a software developer
Liceo Scientifico "G.B. Grassi" LatinaComputer Science Information Technology, Computer Science Information Technology at Sapienza Università di Roma
English
Stackoverflow
21reputation
675reached
1answer
1question
Github Skills (12)
javas10
postgresql10
performance-optimization10
java10
spring-boot10
sql9
hibernate9
javascript6
jquery6
jackson6
spring6
angularjs6
Programming languages (8)
Github contributions (5)
dhis2/dhis2-core
Sep 2020 - Jan 2023
DHIS 2 Core. Written in Java. Contains the service layer and Web API.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1111 reviews, 415 commits, 748 PRs in 2 years 4 months
Contributions summary:Giuseppe primarily contributed to optimizing the DHIS2 core by improving performance and efficiency in database interactions. Their work involved refactoring code to prevent unnecessary queries, specifically focusing on program stage instance comments. They moved database invocations to upper layers and addressed other performance issues. This involved changes in the `JdbcEventCommentStore.java` and `JdbcEventStore.java` and other files that optimized event import and processing steps.
apidhishibernatemavenspring-mvc
nnzJd/dati-semantic-backend
May 2023 - Mar 2024
Backend for the NDC semantic repository
Contributions:2 PRs, 50 pushes, 17 branches in 9 months
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