React JS for front-end and back-end for Flask, Django, Python. Latest React version, with storybook for each component, React hook, HOR component, Mirco front-end service, webpack, context API, Multi-language, user-friendly design with Material-UI, Semantic-UI, Element-UI, Ant-design system. Powerful backend with Django, Django Rest Framework, Python, Flask, Firebase. Provide developer-friendly swagger API document, clear API response, reliable security, running background job Firebase cloud function, Firestore, Firebase Realtime Database