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Jose Barragan

@josebarragan1

Backend-focused fullstack developer building event-driven systems, including an e-commerce platform with RabbitMQ microservices.

Argentina

Message

I built GymProject, a gym management platform, from its domain model through deployment. I implemented role-based access, Redis caching, JWT authentication, Stripe billing, and a CI/CD pipeline backed by 64+ Jest tests.

For RestaurantApp, I drove the core backend implementation in a five-person team, including QR-based ordering and real-time order tracking. I’m also developing OrderFlow, an e-commerce backend using RabbitMQ microservices, the Saga pattern, and the Outbox pattern.

Experience

Work history, roles, and key accomplishments

Backend-Focused Fullstack Developer

OrderFlow

Architecting a scalable e-commerce backend with 5 microservices communicating via RabbitMQ. Implementing orchestrated Saga pattern and Outbox pattern for reliable event delivery and data consistency.

NestJS RabbitMQ PostgreSQL Docker Event Driven Architecture Saga Outbox Pattern Microservices

Backend-Focused Fullstack Developer

GymProject

Designed a robust domain model and implemented Role-Based Access Control for a gym management platform. Optimized backend performance with Redis caching and secured user sessions with JWT authentication.

NestJS React PostgreSQL Prisma Docker Redis Stripe RBAC JWT CI CD Jest

Backend-Focused Fullstack Developer

RestaurantApp

Drove core backend implementation using layered DDD architecture for a restaurant management system. Implemented JWT access/refresh token flows and a WebSocket-based real-time order tracking state machine.