Systems I worked on

REST API communication

• HTTP endpoints for user-developer interaction
• Request validation and structured responses
• Separation of concerns with controllers, services, and models

Description

Core REST API system that manages communication between the web client and the developer through structured HTTP endpoints.

Telegram bot integration

• Automatic message sending to Telegram after using the contact form or newsletter subscription

Description

Integration system with a Telegram bot that allows receiving and managing user messages in real time.

Newsletter subscription

• User subscription endpoint
• Email storage and validation
• MongoDB integration for persistence

Description

System responsible for managing user subscriptions to a newsletter, storing and validating data in the database.

MongoDB persistence

• NoSQL database structure
• Collections for subscriptions

Description

Persistence layer using MongoDB to store user messages and newsletter subscriptions.