Mitchelson Silva

Contributed to a decision-support mobile app powered by AI, helping C-level executives and business owners access insights and recommendations on the go. Implemented secure authentication with email/password and Face ID, improving login speed while preserving security. Added speech recognition to streamline interaction with the AI assistant. Refactored state management to Zustand with React Query and modernized the UI, resulting in cleaner architecture and easier maintenance.

Contributed to a robust React Native architecture with scenes, providers, hooks, modules, helpers and feature-based folders, using styled-components, i18n and analytics tooling like Segment. Built and iterated on core features for a large-scale digital banking app, diagnosing and resolving complex production issues to ensure high reliability and performance for thousands of users. Led test automation initiatives with unit and integration tests, achieving strict coverage for every feature shipped. Migrated from class components to function components to improve readability and maintainability. Drove architecture reviews and sprint planning to translate ambiguous requirements into actionable, user-centric solutions that accelerated delivery.

Developed a social network-style mobile app for the agribusiness market using React Native, with posts including photos, videos, carousels and long-form text, plus user profiles and infinite feeds. Implemented infinite scrolling feeds with TanStack Query (React Query) and global state management with Zustand, ensuring smooth UX and responsive data loading for high-content timelines. Built an in-app chat experience with text, images, video, audio and message referencing, enabling rich conversations between users in real time. Integrated AI-assisted content creation to help users draft and format posts, and added social login to reduce friction at onboarding. Also contributed to the company’s web presence by building the institutional website in the latest Next.js version and enhancing an AI-powered agro assistant web app, following modern frontend best practices.