Antonio Trapani
Lead Engineer at Klarna
Milan, Lombardy, Italy
Summary
👤
Senior🎓
Top SchoolAntonio Trapani is a Lead Engineer based in Milan with 15 years building scalable web and backend systems, currently driving engineering at Klarna. He specializes in large-scale data structures, graph computation, web content extraction and dynamic visualization, combining algorithmic depth with pragmatic system design. His background spans founding a startup, leading backend teams, and full-stack roles that shaped his end-to-end perspective on performance and reliability. An active open-source contributor, he improved core RabbitMQ Symfony tooling (php-amqplib/RabbitMqBundle) by adding lazy connection support and robust signal handling—work that reflects his focus on resilience in distributed systems. Antonio pairs a Master’s in Computer Science from Sapienza with hands-on experience optimizing message-driven architectures and complex data pipelines.
15 years of coding experience
9 years of employment as a software developer
Master, Computer Science, Master, Computer Science at Sapienza Università di Roma
English
Stackoverflow
791reputation
32kreached
51answers
1question
Github Skills (17)
php-amqplib10
messaging10
amqp10
rabbitmq10
php10
symfony10
symfony-ux10
customer9
testing8
vuejs26
nodejs6
vue6
loopback6
typeorm6
javascript6
Programming languages (4)
Github contributions (5)
php-amqplib/RabbitMqBundle
Jun 2013 - Dec 2014
RabbitMQ Bundle for the Symfony web framework
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 1 comment in 1 year 6 months
Contributions summary:Antonio primarily focused on enhancing the `php-amqplib/rabbitmqbundle`, contributing to its core functionality. They implemented support for `AMQPLazyConnection`, improved code robustness, and refactored existing code. Furthermore, the user fixed handling of system signals when waiting for new messages. Documentation was also updated and improved as part of the refactoring efforts.
rabbitmqsymfonyweb-frameworkphp-amqplibamqp
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