@wasteniosilva
Java developer at Queiroz Consult building corporate applications and integrating React and Angular interfaces.
BrazilAt Queiroz Consult, I develop and evolve corporate applications with Java and Spring Boot, integrating web interfaces in React and Angular. I also implement and maintain REST APIs, business rules, and system integrations.
At Certa Serviços - Metrofor, I developed and maintained web systems for real-time railway monitoring using Java, Spring Boot, Python, and Django. I also migrated a legacy FoxPro system to Django and worked on SQL optimization, CI/CD pipelines, and ETL processes.
Work history, roles, and key accomplishments
Queiroz Consult
Jul 2026 - Present (3 months)
Desenvolvimento e evolução de aplicações corporativas com Java e Spring Boot, integrando interfaces web em React e Angular. Implementação e manutenção de APIs REST, regras de negócio e integrações entre sistemas.
Certa Serviços - Metrofor
Feb 2025 - Jun 2026 (1 year 4 months)
Desenvolvimento e manutenção de sistemas corporativos web com Java/Spring Boot e Python/Django, atuando em sistema de monitoramento ferroviário em tempo real. Criação e evolução de APIs REST, implementação de autenticação com JWT e testes automatizados com JUnit.
Lynx Process
Jan 2024 - Jan 2025 (1 year)
Desenvolvimento de APIs REST em Spring Boot e integrações entre sistemas MES e aplicações corporativas. Criação de consultas SQL avançadas em Oracle para alto volume de dados e interfaces React para visualização operacional.
Degrees, certifications, and relevant coursework
Pós-Graduação, Software Engineering
Pursuing a postgraduate degree in Software Engineering at UNINASSAU, expected to complete in June 2026.
Tecnólogo, Systems Analysis and Development
Completed a Technologist degree in Systems Analysis and Development at UNINASSAU in December 2024.
Bootcamp, .NET Development and QA
Completed a bootcamp in .NET development and QA.
Formação, React Development
Completed a React Developer training program.
Software and tools used professionally
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