Mario Calandra
Principal Software Developer at Safety io
Berlin, Germany
Summary
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Senior🎓
Top SchoolMario Calandra is a Principal Software Developer based in Berlin with nine years of experience designing and operating cloud-native, event-driven systems for large-scale IoT deployments. He currently shapes the technical direction of Safety io’s FireGrid platform, translating business needs into durable architectures while leading a cross-functional effort to reduce core technical debt. Comfortable across Node.js, Java, AWS services, Kafka and CI/CD tooling, he pairs rigorous testing and observability practices with pragmatic trade-offs to keep systems reliable in the field. Rapid career growth from intern to Principal in five years reflects his curiosity, clear communication, and ability to “sell” architectural decisions to stakeholders. He mentors engineers to foster ownership and has a track record delivering fast, high-quality features for high-availability products used by thousands of devices.
9 years of coding experience
4 years of employment as a software developer
Camplus CollegeEngineering, Engineering at Faculty of Engineering, University of Southern DenmarkBachelor's degree Computer Engineering, Bachelor's degree Computer Engineering at Università di Catania
English, ItalianGithub contributions (5)
MarioCalandra/chat-so
Jan 2017 - Oct 2017
Contributions:44 commits, 43 pushes, 1 branch in 9 months
MarioCalandra/APIFoursquare
Jan 2018 - Jan 2018
Contributions:52 pushes, 1 branch in 3 days
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