Yan Justino
Staff Software Engineer at Banco Itaú
Espírito Santo, Brazil
Summary
👤
Senior🎓
Top SchoolYan Justino is a Staff Software Engineer with 12 years of experience leading large-scale reengineering and cloud-native initiatives in the Brazilian financial and government sectors. He has steered teams of a dozen engineers at Banco Itaú, driving modernization efforts using AWS, .NET, Python, Kafka, Postgres and event-driven microservices while championing DDD, DevOps and testing discipline. His background spans staff and senior technical roles at XP, XTAGE and several public-sector projects, where he focused on software architecture, reengineering and operational scalability. Yan pairs hands-on implementation skills with academic depth—pursuing a PhD in Computer Software Engineering and holding a master’s degree—bringing research-informed approaches to production systems. He’s known for translating complex legacy systems into resilient, testable services and for mentoring teams to adopt higher engineering standards.
12 years of coding experience
17 years of employment as a software developer
Bachelor's degree Computer Systems Analysis/Analyst, Bachelor's degree Computer Systems Analysis/Analyst at Universidade PotiguarSenacFederal University of Rio Grande do NorteDoctor of Philosophy - PhD Computer Software Engineering, Doctor of Philosophy - PhD Computer Software Engineering at CESAR School
Portuguese, English
Stackoverflow
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Github Skills (62)
nuget10
plantuml10
dsl10
dotnet10
gwt10
c4model10
test-fixtures10
separation-of-concerns10
csharp10
testing9
cloud-computing9
linux9
windows9
bdd9
test-suite9
Programming languages (4)
Github contributions (5)
8T4/c4sharp
Mar 2021 - Dec 2022
C4Sharp (C4S) is a .net library for building C4 Model diagrams.
Contributions:18 releases, 210 commits, 67 PRs in 1 year 9 months
c4modeldotnetplantumlcsharpdsl
ycodeteam/fact
Apr 2015 - Dec 2019
Contributions:2 PRs, 8 pushes, 1 branch in 4 years 9 months
dotnetfactstubstestingffaker
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