Callista's works

Responsive landing pages built with Next.js, React, Chakra UI, and Tailwind CSS. Designed for clean layouts, scalability, and adaptability across devices.

Managed Shopify storefronts and provided layout ideas, while also customizing e-commerce UI with WordPress for tailored shopping experiences.

Focused on admin and venue owner portals using Next.js, React, Material UI, and GraphQL. Also contributed to mobile app features with React Native, Tamagui, Zustand, and GraphQL.

Converted Figma designs into functional UI using React Native, TypeScript, and Native Base for a smooth user experience.

Developed merchant and driver modules with React Native and Native Base. Integrated Firebase for authentication and Google Maps for real-time location tracking.

Built merchant and driver modules for a grocery delivery app using React Native, Native Base, Firebase, and Google Maps for live tracking.

Focused on the web admin platform using Next.js, React, Material UI, and GraphQL to manage appointments and bookings. Also helped maintain the user-facing app.

Built a job management app for technicians with React Native and Native Base. Integrated GraphQL APIs and Firebase for notifications and task updates.

Contributed to the initial development of the education management app, integrating GraphQL with Tamagui and Zustand for state management.

Developed an education web platform for video learning and certifications, using Vite, React, Ant Design, Redux, and REST API.

Created a stock management app that supports QR code and barcode scanning for inventory tracking, built with React Native, Tamagui, and Zustand.

Revamped a car selling app using React Native with Tamagui and Zustand. Enhanced performance and integrated APIs with GraphQL.

Developed a digital invoicing form with React, Next.js, and Ant Design, streamlining billing and submission processes.

Developed a web-based platform using React, Next.js, Material UI, and GraphQL for streamlined business operations and modern UI consistency.