Catania, IT · Available for work

Backend Security Distributed

I'm Carlo Maria Cardi, backend developer and security researcher. I build distributed systems, high performance APIs and AI powered infrastructure that serve thousands of requests without flinching.

99.5% uptime / 12mo
<100ms API p99
−40% latency (gRPC)

~/ selected work

Projects shipped in the wild.

Three that I'm most proud of. One is live and serving traffic right now. Click the link and you'll hit the real API.

Author · Data orchestration 02

Shardify

Centralized orchestration for distributed backends

  • Java
  • Redis
  • PostgreSQL
  • MongoDB
Open source contributor 03

Brain4J

Neural network framework in pure Java

  • Java
  • JVM perf
  • API design
Java Python TypeScript Go Kotlin C Spring Boot Node.js gRPC REST WebSockets RabbitMQ NATS Docker Kubernetes Nginx Cloudflare Redis CI/CD PostgreSQL MongoDB MariaDB Cassandra OWASP Top 10 Pentesting Vulnerability Analysis Network Hardening Stripe PayPal Fraud detection Java Python TypeScript Go Kotlin C Spring Boot Node.js gRPC REST WebSockets RabbitMQ NATS Docker Kubernetes Nginx Cloudflare Redis CI/CD PostgreSQL MongoDB MariaDB Cassandra OWASP Top 10 Pentesting Vulnerability Analysis Network Hardening Stripe PayPal Fraud detection

~/ stack

Tools I reach for
when things need to just work.

Languages

  • Java
  • Python
  • TypeScript
  • Go
  • Kotlin
  • C

Backend

  • Spring Boot
  • Node.js
  • gRPC
  • REST
  • WebSockets
  • RabbitMQ
  • NATS

Infra

  • Docker
  • Kubernetes
  • Nginx
  • Cloudflare
  • Redis
  • CI/CD

Data

  • PostgreSQL
  • MongoDB
  • MariaDB
  • Cassandra

Security

  • OWASP Top 10
  • Pentesting
  • Vulnerability Analysis
  • Network Hardening

Payments

  • Stripe
  • PayPal
  • Fraud detection

~/ contact

Got a system that needs to scale, a surface that needs to be hardened, or an API that needs to be built right?

I'm currently open to full time roles, contract work and interesting open source collaborations. Fastest way to reach me is the contact form.