Joel Oliveira
Engineering manager at ezCater with decades of software industry experience, focused on maintainability, predictability in codebases, and practical migration/refactor strategies such as adopting ImageProxy to replace legacy image services.
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Mar 17, 2026 • 1h 1min
Joel Oliveira: Predictability Is a Maintainability Feature
Joel Oliveira, engineering manager at ezCater with decades in software, focuses on maintainability and practical migrations. He talks about predictability in codebases, why test coverage can mislead, replacing a leaky image service with ImageProxy, finding a GraphQL seam for incremental migration, and using feature flags and small steps to safely modernize systems.
