GRGuilherme Rocha
@gguirocha
Database engineer specializing in SQL Server and Oracle, driving migrations, performance, and cost savings.
BrazilWhat I'm looking for
I am a Database Engineer with 5+ years of experience focused on SQL Server and Oracle, cloud migrations, and performance optimization. I deliver measurable outcomes—improving availability from ~70% to 95% and reducing infrastructure costs by up to 60%.
As a hands-on technical lead, I own end-to-end database initiatives: architecture, migrations (Private Cloud and AWS EC2), query optimization, indexing, and backup and governance strategies. I have designed and implemented 100+ SQL reports, led three full migrations, and drove 20+ database projects that increased operational efficiency by ~35%.
I mentor junior engineers, enforce engineering standards, and collaborate with stakeholders to translate business needs into scalable, reliable, and cost-efficient data platforms. I am expanding expertise in AWS architecture and Infrastructure as Code (Terraform) to further automate and scale data operations.
Experience
Work history, roles, and key accomplishments
Database Engineering & Team Lead
Mundo dos Ferros Group
Jan 2021 - Present (5 years)
Owned SQL Server and Oracle environments and led database migrations improving system availability from ~70% to 95% and reducing infrastructure costs by ~40–60%; delivered 100+ reports and 20+ data initiatives that increased operational efficiency ~35%.
Data Analyst
Mundo dos Ferros Group
Jan 2020 - Jan 2021 (1 year)
Developed and optimized SQL queries and analytical reports, reducing report generation time by ~33% and transforming ERP data to support decisions that contributed to ~5% revenue growth.
Education
Degrees, certifications, and relevant coursework
Centro Universitário Presidente Antonio Carlos
Bachelor of Information Systems, Information Systems
2018 - 2022
Bachelor's degree in Information Systems covering software, databases, and IT systems from 2018 to 2022.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Salary expectations
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