Marko – React Native, React, Node.js

It is a euro stablecoin.

Backend:

• Build from scratch
• Using a custom framework around ExpressJS written in TypeScript
• Using MongoDB database
• Talking with Ravencoin nodes to confirm transactions with restricted assets
• Implemented dynamic links and notifications with Firebase
• Implemented Liveness check

React Native App:

• Written in React Native with TypeScript
• Implemented Liveness check
• Logging in using Biometrics
• Redux for state management
• Building for both Android and iOS

Liveness Check:

• Implemented in the App with expo-camera and expo-face-detector for getting the face data and custom process for confirming the user has done the necessary steps
• Only send the confirmed face images to the backend for additional confirmation, to reduce the server load
• Implemented on the backend with face-api and a similar process as in the App

AI:

• Internal ChromaBD Vector Database
• OpenAI's Chat GPT as the backing model
• LangChain for communication between all the parts

Single-purpose Web Apps:

• Done in NextJS, most with the T3 stack
• Custom Auth SDK similar in structure to NextAuth
• Working with the Blockchain using WalletConnect
• Exchange Widget for Perper's utility token Perun

A digital booklet that includes a map of the local city, with a list of detailed trails whether for walking or bike riding. It comes with an AI chatbot that helps tourists find different Points of Interests within the city.

• Created the backend from scratch in TypeScript
• Created the App in React Native with Expo
• Implemented local state using Jotai
• Connect the Chatbot with the Perper's AI, with custom content stored in the ChromaDB
• Created a custom translations API

A small library that translates the types from Rust to TypeScript for better integration for the invoke function from Tauri.

• Create the library implementation
• Made the proc-macro

It is a platform for people to buy or sell anything they want.

• Worked on and improved the system architecture
• Made the Node.JS backend release ready
• Implemented new features
• Implemented full-text search using Elastic Search
• Implemented filtered search using Elastic Search
• Implemented notifications using Firebase
• Moved backend from using MySQL to using MySQL clusters
• Made the Android App written in Java release ready
• Implemented notifications and Dynamic Links using Firebase
• Implemented new features
• Worked on React Native app for iOS