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Guilherme Raposo
Mid-level Full-Stack Software Developer specializing in financial applications for oil & gas
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About
Frontend engineer who led end-to-end delivery of a financial data grid and optimized it to handle millions of rows using batching and progressive rendering. Experienced modernizing legacy Razor UIs into maintainable React + TypeScript implementations, leveraging React Query and Jotai, and shipping via incremental builds and feature toggles with close QA/client collaboration.
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Key Strengths
- Led frontend feature end-to-end (design/docs through delivery)
- Built scalable grid UI supporting millions of rows via batching and progressive rendering
- Modernized legacy UI by rewriting Razor to React while preserving existing UX
- Improved maintainability and delivery speed through modular, reusable component architecture
- Pragmatic state/data management using React Query caching and Jotai
- Iterative delivery with incremental builds and feature toggles for early QA/client validation
- Strong cross-functional collaboration with product/design to refine UX details
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