Joao Perin
IT Specialist Engineer II at Itaú Unibanco
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolJoao Perin is an experienced IT specialist and engineer with over 20 years in financial systems and more than a decade in senior engineering and techlead roles at Itaú Unibanco. He combines deep domain expertise in payment transaction platforms (ISO-8583), migration of legacy mainframe systems to cloud-native, and microservices architectures with formal training in IT management and an MBA in Big Data. Known for coaching teams on resilience, observability, scalability and governance, he drives high-availability solutions that minimize customer impact during releases and platform migrations. Based in São Paulo, he blends hands-on development experience from early career call-center and agricultural systems to enterprise-grade authorization systems, bringing a pragmatic eye for performance and operational cost savings. An understated strength is his track record of aligning business needs with systemic solutions during complex cross-institution migrations.
11 years of coding experience
18 years of employment as a software developer
Master of Business Administration (MBA), Data Analytics & Big Data, Master of Business Administration (MBA), Data Analytics & Big Data at Fundação Getulio VargasPós Graduação em Gestão de Tecnologia da Informação, Tecnologia da Informação, Pós Graduação em Gestão de Tecnologia da Informação, Tecnologia da Informação at FIAP - Faculdade de Informática e Administração PaulistaEngenheiro, Ciências Agrárias, Engenheiro, Ciências Agrárias at UFSCar - Alumni
English
Github Skills (46)
copybook10
ebcdic10
cobol9
mainframe9
parser9
frontend8
json8
ui-components7
wordcloud7
javascript7
ios7
ionic7
esp82667
vue7
arduino7
Programming languages (6)
Github contributions (5)
jrperin/cheat-sheets
May 2021 - Aug 2025
Contributions:22 pushes, 1 branch in 4 years 3 months
jrperin/homeControl_esp8266
Jul 2016 - Oct 2019
Contributions:44 commits, 40 pushes, 1 branch in 3 years 4 months
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