Adenilson Leandro
Staff Software Engineer at Stefanini Group
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolAdenilson Leandro is a Staff Software Engineer based in São Paulo with 9 years of experience designing and leading scalable architectures across banking and enterprise contexts. He has deep hands-on expertise in Java, Kotlin, C#, .NET, cloud (AWS and Azure), event-driven systems and cybersecurity, and recently focuses on LangChain and OpenAI integrations. As a tech lead at Itaú and now leading teams at Stefanini Group, he combines practical architecture work with coaching and training to raise team delivery and reliability. His background spans migrating legacy systems to cloud-native, building high-availability solutions for mission-critical domains, and sustaining full-stack proficiency from backend services to integrations. Colleagues describe him as a developer who treats computing as both hobby and profession, bringing curious, long-term thinking to emerging AI-security use cases.
8 years of coding experience
7 years of employment as a software developer
Analise e Desenvolvimento de Sistemas, Tecnologia da Informação, Analise e Desenvolvimento de Sistemas, Tecnologia da Informação at Fatec Mogi Mirim - Arthur de AzevedoEscolas Técnicas Estaduais
Portuguese, English
Github Skills (8)
poc4
projeto4
dotnet2
signalr2
mvc2
websocket2
python2
csharp2
Programming languages (3)
Github contributions (5)
Adenilsonlj/netcore-example-design-patterns
Sep 2020 - Dec 2021
Contributions:5 commits, 5 pushes, 1 branch in 1 year 3 months
Adenilsonlj/pwa_demo
Jun 2019 - Mar 2020
PWA DEMO
Contributions:32 pushes, 2 branches in 9 months
pwareactpwa-demo
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