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ezequielranieri/README.md

EZEQUIEL RANIERI

Backend Engineer | AI-Fluent

Secure systems • IAM • Distributed Architecture


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I build secure, scalable, production-grade backend systems — combining strong architectural thinking with modern AI-assisted workflows to deliver high-quality solutions with speed and precision. My focus: Identity & Access Management, distributed systems, and security engineering — currently deepening my expertise in Go for high-performance services.


Selected Work

Project Description Stack
flowcore Distributed, durable, and observable workflow engine Python RabbitMQ Build
go-durable-jobs Durable job processor in Go — Postgres queue, idempotency, retries with backoff Go PostgreSQL
hex-auth-service High-performance hexagonal IAM — O(1) token validation, refresh rotation, breach detection Python FastAPI Redis
go-iam-service Performance-first authentication & identity service in Go Go Build
secure-auth-api Secure authentication REST API built with Python & FastAPI Python FastAPI

Tech Stack


Engineering Principles
01 Architecture is a deliberate decision — hexagonal / clean boundaries between domain logic and infrastructure
02 Security is a design constraint from day one, not a layer added at the end
03 Systems are built to fail safely — idempotency, retries, dead-letter queues, observability
04 Documentation and honest retrospectives are part of the deliverable, not an afterthought

Activity

Contribution snake

Let's build together.  →  ez.ranieri@gmail.com

Salto Grande, Santa Fe, Argentina

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  1. secure-auth-api secure-auth-api Public

    secure authentication REST API built with Python and FastAPI

    Python

  2. hex-auth-service hex-auth-service Public

    high-performance hexagonal IAM solution with O(1) token validation, real-time security breach detection, and refresh token rotation using FastAPI, PostgreSQL, and Redis.

    Python

  3. flowcore flowcore Public

    distributed, durable, and observable workflow engine in python

    Python

  4. go-durable-jobs go-durable-jobs Public

    durable job processor in Go — Postgres-backed queue with idempotency, retries with backoff, and graceful shutdown

    Go

  5. go-iam-service go-iam-service Public

    performance-first authentication and identity service in Go

    Go