All projects
Projects that show how I think about systems: an idempotent checkout, open source in production and tools I use daily.
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Backend / E-commerce2026
De Lá do Pará
A shop for products from Pará built with Spring Boot + Angular, with a checkout designed to never charge twice: idempotency, transactional outbox, webhooks and Kafka.
JavaSpring BootAngularKafka
View project Backend / Messaging2026
Supply Chain API + Web
Supply-chain tracking monorepo built with Spring Boot, Angular, RabbitMQ and PostgreSQL.
JavaSpring BootAngularRabbitMQ
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