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cspinetta/README.md

👋 Hi, I’m Cristian

I’m a Software Engineer with 13+ years of experience building distributed systems with a strong focus on resilience, scalability, and security.

At Amazon (Ring), I lead the development of core components for a new end-to-end encryption system that spans the entire Ring stack.

Outside of work, I spend time exploring applied cryptography. I’m fascinated by how cryptographic systems can establish trust between untrusted parties and allow users to keep control of their secrets while still benefiting from large-scale infrastructure. Technologies like the MLS protocol, homomorphic encryption, and zero-knowledge proofs are great examples of how that’s becoming possible.

I believe technological progress should never come at the expense of security or privacy. I’m committed to helping organizations and open-source projects adopt new technologies confidently and securely — by making advanced protections practical, accessible, and easy to integrate. This matters especially for smaller teams that can’t always afford dedicated security experts.


“Security and privacy are not optional features — they are fundamental to building systems people can truly trust.”

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  1. kafka-lag-exporter-standalone kafka-lag-exporter-standalone Public

    Docker Compose with Kafka Lag Exporter + Grafana + Prometheus. Ready to ingest and viewing lag metrics.

    Shell 11 4

  2. top-threads top-threads Public

    A tiny command line tool that provides a dynamic real-time view of the active threads for a given process with stats of CPU, disk and scheduling.

    Python 4 1

  3. toy-mls toy-mls Public

    A simplified, educational implementation of the MLS protocol to experiment with core cryptographic and group key exchange concepts.

    Rust

  4. zk-labs zk-labs Public

    Hands-on experiments exploring Zero-Knowledge (ZK) systems and concepts

    Rust

  5. jon-listen jon-listen Public

    Simple and multithreading TCP/UDP Logging Server

    Rust 8

  6. triton-playground triton-playground Public

    A hands-on playground to explore Triton Inference Server, model serving, and ML infrastructure fundamentals using ResNet50 and Kubernetes components.

    Python