Open to opportunities

João Pedro Castro

@joopedrocastro

Message

I support critical banking systems and build backend applications with Java, Spring Boot, COBOL, and Linux.

Brazil

Message

What I'm looking for

I'm looking to deepen my backend and full-stack development skills, contributing to reliable systems with Java, Spring Boot, modern frontend frameworks, Linux, and databases.

I supported Santander Bank's core infrastructure through F1rst Tecnologia, monitoring critical systems and helping maintain high availability.

I analyzed Linux environments, diagnosed system-level issues, and optimized COBOL batch routines to improve execution performance and code maintainability. I also supported internal web portals by collaborating on requirements and testing.

I'm currently pursuing Software Engineering while deepening my full-stack development skills through Java, Spring Boot, Angular, and Curso.dev's Full-Stack Web Development program.

Experience

Work history, roles, and key accomplishments

Junior Systems Analyst

F1rst Tecnologia

Mar 2023 - Feb 2025 (1 year 11 months)

Monitored and maintained the stability of Santander Bank's core infrastructure, ensuring high availability of critical systems. Performed Linux environment analysis, diagnosing and resolving system-level issues to minimize downtime.

COBOL Linux System Analysis Infrastructure Support