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Leonardo Angelim

@leonardoangelim

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Application Support Analyst at MV Sistemas who supported critical production systems and optimized SQL/PL/SQL queries.

Brazil

Message

At MV Sistemas, I supported high-availability enterprise applications, investigating and resolving critical production incidents. I provided N2/N3 support and helped restore service through root cause analysis and troubleshooting.

I optimized SQL queries and PL/SQL procedures to improve application performance and reduce response times. I also developed and maintained systems using Oracle Forms, Oracle Reports, Java, Spring Boot, and REST APIs.

My work included validating releases before production, implementing JUnit unit tests, and gathering requirements with business teams. After MV Sistemas, I worked as a Warehouse Operative at Primeline Group in Dublin, Ireland.

Experience

Work history, roles, and key accomplishments

Warehouse Operative

Primeline Group

Sep 2023 - Dec 2025 (2 years 3 months)

Gained professional experience in a multicultural environment, developing English communication skills, organizing processes, and meeting operational targets.

Software Developer / Sustentação de Aplicações

MV Sistemas

Feb 2014 - Jun 2023 (9 years 4 months)

Provided N2/N3 support and root cause analysis for critical incidents in high-availability corporate systems. Optimized SQL/PLSQL queries and developed applications using Oracle Forms, Oracle Reports, Java, Spring Boot, and REST APIs.