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Davi FV User

@davifvuser

Backend developer focused on Java and Spring Boot; built AtlasBank API with simulated Pix transfers, financial ledgers, and resilient message processing.

Brazil

Message

What I'm looking for

I’m seeking my first professional opportunity in software development, with a focus on backend development using Java and Spring Boot.

I built AtlasBank API, a Java 21 and Spring Boot project for simulated Pix transfers between accounts. It records financial movements in a ledger and uses pessimistic PostgreSQL locks to maintain consistency during simultaneous transfers.

For AtlasBank API, I implemented asynchronous messaging with RabbitMQ, retry handling, and automatic recovery for messages that fail while using the external Resend email service. I also added JWT authentication with HttpOnly and SameSite cookies, plus automated maintenance schedulers.

I also built CakeShop API with a Vue.js 3 and TypeScript frontend, Redis caching, and access controls based on token claims. Its automated tests cover business rules and services, with a CI pipeline through GitHub Actions. I’m studying Systems Analysis and Development and seeking my first professional opportunity in software development.

Experience

Work history, roles, and key accomplishments

Estagiário de Controle de Estoque

2020 Serviços Médicos

Feb 2024 - Dec 2025 (1 year 10 months)

Identified inconsistencies and requested improvements in the internal system with responsible teams. Organized, analyzed, and consolidated operational data using Excel.

Excel Data Analysis Inventory Control