Jeferson Siqueira
Senior Full Stack Developer at Aubay
Lisbon, Lisbon, Portugal
Summary
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Senior🎓
Top SchoolJeferson Siqueira is a Senior Full Stack Developer based in Lisbon with 5+ years building cloud-native, event-driven systems for automotive and financial clients. He specializes in Java (17/21), Spring/Quarkus, Kafka and Kubernetes while also delivering modern frontends with Angular and React and infrastructure as code on AWS. At Aubay he helped shape real-time diagnostics and connected-car services for BMW’s electric vehicle platforms, bringing low-latency, observable microservices into production. Previously he improved throughput and reduced latency in high-scale financial integrations and led security and performance refactors that eliminated hundreds of vulnerabilities. Comfortable across legacy migrations and greenfield cloud systems, he combines hands-on coding with CI/CD and monitoring best practices to accelerate delivery. His background in healthcare and education projects reveals an ability to translate domain complexity into reliable, user-focused software solutions.
5 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Systems Development Analysis, Bachelor's degree, Systems Development Analysis at IESBPostgraduate Degree, Hospital Administration and People Management, 07/2020 - 06/2021, Postgraduate Degree, Hospital Administration and People Management, 07/2020 - 06/2021 at Faculdade Venda Nova do Imigrante – FAVENIHealth Sciences, Health Sciences at UniCEUB - Centro Universitário de BrasíliaSpecialization in Haematology and Blood Banking, Specialization in Haematology and Blood Banking at Academia de Ciência e Tecnologia (AC&T) - São José do Rio PretoProgramming languages (1)
Github contributions (5)
jeferson0306/jeferson0306
Aug 2021 - Nov 2024
Contributions:9 pushes, 1 branch in 3 years 4 months
jeferson0306/yessr-java-spring-mongo-redis
May 2024 - Jul 2024
O Yessr é uma aplicação de Gerenciamento de Relacionamento com Clientes (CRM) que utiliza tecnologias modernas para oferecer uma solução eficiente e escalável.
Contributions:31 PRs, 26 pushes, 5 branches in 2 months
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