# Fabricio Dubra - Staff Software Engineer

> Staff Software Engineer with 18+ years of experience architecting scalable distributed systems, real-time platforms, and high-throughput data pipelines. Currently Staff Software Engineer at TitanX (following the acquisition of FrontSpin), owning the telephony, real-time call ingestion, and CRM synchronization architecture under a spec-driven, AI-augmented engineering workflow.

## Canonical Profiles
- Website: https://fad.dev
- Full Markdown Profile: https://fad.dev/llms-full.txt
- Machine-Readable Resume (JSON): https://fad.dev/resume.json
- PDF Resume: https://fad.dev/pdf?language=en
- LinkedIn: https://linkedin.com/in/fabriciodubra
- GitHub: https://github.com/gitfad

## Core Stack & Technical Domains
- Architecture & Patterns: Distributed Systems, Transactional Outbox Pattern, Event-Driven Architecture (AMQP), Concurrency Control & State Drift
- Data Infrastructure: PostgreSQL, MongoDB, Elasticsearch, Redis
- Languages & Runtimes: TypeScript, Node.js, Java, Next.js
- APIs & Event Streaming: RESTful APIs, Webhooks, Public APIs & OAuth2, AMQP / RabbitMQ

## Selected Systems
- Carrier State Drift Reconciliation & Phone Provisioning (TitanX): Distributed state-machine, Redis locks, periodic sweepers, 500-phone async batch capacity.
- Decoupled Seat-Based Identity Architecture (TitanX): Rekeyed identity from user to seat, zero-downtime queue-driven provisioning.
- Greenfield CRM Search Microservice (FrontSpin): Standalone Elasticsearch 9 / TypeScript service syncing millions of records with fast, predictable query performance.
- Transactional Outbox CRM Write-Back (TitanX / FrontSpin): Idempotent outbox pipeline synchronizing with Salesforce.

## Verified Credentials
- English: C1 Advanced (UTN FCE & EFSET Verified)
- Academic Foundation: Computer Science & Systems studies at UBA / CAECE; Programming Technician degree (ETN3 MST)