Rafael Macedo
Senior Machine Learning Engineer at Itaú Unibanco
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolRafael Macedo is a Senior Machine Learning Engineer with nine years of experience building scalable ML distribution pipelines and production-grade AI integrations at Itaú Unibanco, serving products used by millions. He combines deep Android expertise (Kotlin/Java, Jetpack Compose) with MLOps and Python tooling to bridge mobile clients and backend model orchestration on AWS. Rafael has led cross-functional teams and large governed AWS architectures, bringing practical experience with governance tools like Jira, ServiceNow and Salesforce. Recently he focused on RAGs, chatbots and LLM orchestration using LangChain, LangGraph and AutoGen, tackling latency, context management and hallucination mitigation. He also teaches and mentors—sharing Android architecture patterns such as Clean Architecture and MVVM across developer communities. Known for turning complex financial use cases into reliable, user-centered AI features, he blends hands-on engineering with production awareness.
9 years of coding experience
8 years of employment as a software developer
Fédération Internationale de l'Art PhotographiqueHigh School, High School at Fundação Bradesco
English, Portuguese
Github Skills (27)
minecraft7
economy7
sliders6
waterfall6
image-slider5
slide5
java4
api4
server-side4
http-server3
android3
embeddable3
nio3
httpd3
server3
Programming languages (3)
Github contributions (5)
macedoraf/greenhouse_server
May 2020 - May 2020
Contributions:25 commits, 23 pushes, 2 branches in 12 days
macedoraf/HackatonSmilesApp
Mar 2021 - Mar 2021
Contributions:41 commits in 2 days
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