Aviva Bachi contributed to the hasadna/open-bus-map-search repository, delivering a range of features and improvements across UI, data visualization, and internationalization. She built and enhanced components such as operator and profile pages, velocity heatmaps, and map views, focusing on accessibility, multilingual support, and responsive design. Aviva modernized API integration by migrating to new clients and refactoring data models, while also improving localization workflows and translation quality. Using TypeScript, React, and Storybook, she strengthened code maintainability through refactoring, testing, and CI/CD enhancements. Her work addressed both user-facing functionality and developer experience, resulting in a more reliable and scalable application.