Rafael Nazareth Macedo
Software Engineer at Itau Unibanco
São Paulo, São Paulo, Brazil
Summary
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SeniorRafael 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.
10 years of coding experience
Github Skills (9)
minecraft7
server-side5
java4
http-server3
android-image2
shared-memory1
android1
telemetry1
memory-mapped-file1
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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