Ezequiel Ranieri
Backend Engineer | Python · FastAPI · Distributed Systems
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async-etl-framework — High-Performance ETL Pipeline
Async ETL framework built with Python and Polars for large-scale data processing. Features configurable pipelines, error handling, retry logic, and clean architecture.
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hex-auth-service — IAM Authentication API
Production-ready authentication service with hexagonal architecture, JWT refresh token rotation, O(1) token validation using Redis, and real-time security monitoring.
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high-performance-task-queue — Async Payment Microservice
Async microservice for payments and critical operations built with FastAPI, Celery, and RabbitMQ. Load tested with Locust at 160 RPS with only 2% failure rate.
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DentalCloud — Dental Clinic SaaS Platform
Full SaaS platform for dental clinics with patient management, appointment scheduling, and interactive visual odontogram built with SVG. Delivered to a real client.
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