Eloy Pereiro is a Principal Software Engineer based in Pontevedra, Spain, with over a decade of experience building resilient, production-grade systems for telecom, cloud-native, and edge environments. At Red Hat he blends hands-on Go, C, Rust and Lua work with architectural leadership on API gateways, WebAssembly proofs-of-concept, and secure fleet management at the edge. His background in VoIP (Asterisk, Kamailio) and real-time billing informed design of geo-replicated services and low-latency platforms, and he continues to contribute to prominent open-source projects like Kamailio and 3scale/APIcast. Eloy is pragmatic about observability and telemetry—he implemented a statsd module with custom labels for Kamailio—and he has improved charging systems with JSONB storage and robust trigger handling. Equally comfortable writing feature code, refining documentation, or reshaping CI/CD and testing workflows, he champions developer productivity and reliable operations. Colleagues describe him as an adaptable engineer who turns complicated telecom and distributed-systems challenges into maintainable, measurable solutions.
Contributions:46 reviews, 355 commits, 362 PRs in 2 years 6 months
Contributions summary:Eloy primarily contributed to the configuration and functionality of the 3scale API Gateway. Their work involved implementing features such as filtering services by public URL, adding services on metrics, and enhancing metrics with service system names, as well as adding the option to retrieve claims from plaintext, and adding JWT claim policy. The changes included modifications to core configuration files, policy implementations, and metric collection. They also addressed several bugs, including an issue with the HTTP proxy, and added Websocket support.
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -
Role in this project:
Backend Developer
Contributions:10 commits, 7 PRs, 5 pushes in 2 years 6 months
Contributions summary:Eloy primarily contributed to the development of a new statsd module for the Kamailio SIP server. This included implementing functions for sending metrics (gauge, set, count, timing) to a statsd server and integrating it into the Kamailio module structure. Furthermore, the user refactored code and added features for custom labels within metrics, enhancing the module's reporting capabilities. The user also made improvements to the documentation and log messages.
voltesip-serverkamailiofreeswitchchat
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Eloy Pereiro - Principal Software Engineer at Red Hat