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Dieferson Matos
Software Developer Rockstar Developer @Critical TechWorks
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WORK HISTORY
Software Developer Rockstar Developer @Critical TechWorks
Porto e Região, PT
Developed backend services using Java (Quarkus), implementing REST APIs for synchronous and Kafka for asynchronous communication. Led the design and adoption of a new API architecture based on the Orchestrator design pattern, which significantly improved modularity and maintainability. This architectural shift reduced implementation time by 75% for enhancements to existing APIs and by 25% for the delivery of entirely new features.Designed and implemented API system tests using TestNG, TestContainers, and MicroShed, achieving 99% code coverage across all endpoints and maintaining zero critical bugs in production for over 4 years since go-live.Developed frontend components using Angular, ensuring over 90% test coverage with Jest and Playwright. Actively contributed to the architectural design and modularisation of the frontend, enhancing scalability, reusability, and development efficiency across teams Work with Docker, Kubernetes, and Azure for cloud and container solutions Monitoring system health with Grafana, Kibana, and Prometheus
EDUCATION
<Academia de Código_>
<Code Cadet>
Centro Universitário das Faculdades Metropolitanas
Technologist in Analysis and Development of Systems
ABOUT DIEFERSON MATOS
Hello and welcome! I\'m a Software Developer with around 6 years of hands-on…
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