Tung
Tran

Financial management and transaction platform for an internal investment fund, serving ~1,000 active users with portfolio management and automated reporting.

• Integrated Claude into the team's workflow to speed up delivery and improve business logic accuracy.
• Built and maintained scalable features with React, TypeScript and Ant Design across enterprise modules.
• Adopted React Query to handle concurrent API requests and cut unnecessary re-renders by 35%.
• Collaborated with backend engineers to define API contracts and ensure seamless data flow.
• Optimized rendering with React.memo, useMemo, useCallback, and reduced bundle size via code splitting and lazy loading.

Web application for government agencies to manage personnel and quickly identify affected citizens during natural disaster incidents.

• Built reusable React components with Hooks and custom hooks following single responsibility and prop composition patterns.
• Managed app state with Redux, writing async thunks, selectors, and handling loading/error flows.
• Integrated Axios interceptors for auth tokens, error handling, and retry logic.
• Wrote unit tests with Jest and React Testing Library, contributing to 70%+ code coverage.

Mobile application that visualizes clusters of tourist destinations from Google Maps data and lets the community share posts about those locations.

• Built pixel-perfect, responsive UI from Figma designs across iOS and Android.
• Integrated Google Maps API with marker clustering to efficiently visualize large location datasets.
• Integrated Firebase Crashlytics for real-time crash monitoring, improving production stability.
• Consumed RESTful APIs to render dynamic data in the mobile app.
• Worked directly with Japanese stakeholders via GitLab in Agile sprint cycles.