Angelo Marletta
Staff Software Engineer at Coinbase
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolAngelo Marletta is a Staff Software Engineer in San Francisco with 14 years of experience building and operating large-scale internet systems across companies like Coinbase, Instagram, and Facebook. He specializes in production engineering—optimizing reliability, performance, and security for high-throughput services, from PKI and TLS at Facebook to end-to-end message delivery at Instagram. Comfortable across languages and platforms, Angelo combines deep operations instincts with hands-on systems work, including JVM tuning, container migrations, and cloud automation. He contributes to open-source tooling for low-level system control, such as improving the cpulimit utility with memory and cross-OS enhancements. Known for pragmatic solutions that bridge development and ops, he brings a track record of scaling critical infrastructure and hardening complex environments. Trained as a computer engineer in Italy, he blends European systems craftsmanship with Silicon Valley production rigor.
14 years of coding experience
15 years of employment as a software developer
Master's Degree, Computer Engineer, Master's Degree, Computer Engineer at Università di Catania
Italian, English, Spanish, French, Japanese
Github Skills (6)
c1710
memory-management10
process-management10
c1110
freebsd10
linux9
Programming languages (6)
Github contributions (5)
opsengine/cpulimit
May 2012 - Jun 2015
CPU usage limiter for Linux
Role in this project:
Back-end Developer
Back-end DeveloperContributions:56 commits, 2 PRs, 2 pushes in 3 years 1 month
Contributions summary:Angelo primarily focused on improving the `cpulimit` tool's functionality and stability. They implemented memory management improvements by replacing `malloc()` calls with `calloc()`. The user addressed resource management by closing file descriptors after iterating processes. Furthermore, the user worked on integrating FreeBSD support and improved the process iteration logic, making the tool more versatile.
cpu-usagelinux
opsengine/dd-trace-go
Apr 2023 - May 2026
A Go tracing package for Datadog APM
Contributions:15 pushes, 2 branches in 3 years 1 month
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