Crypto Coach

Full Stack Development•2023-2024
Next.jsNestJSReact NativeTypeScriptPrismaPostgreSQLTailwind CSSExpoClerk AuthStripeAWS S3

Crypto Coach is a comprehensive platform designed to educate users about cryptocurrency while providing tools for portfolio management. The platform consists of three main components: a web-based learning platform, a mobile app for portfolio tracking, and an admin dashboard for content management. It features interactive courses, real-time cryptocurrency data, secure authentication, and payment processing capabilities.

Technical Architecture

Microservices architecture with separate frontend applications (web, mobile, admin) connected to a NestJS backend, using PostgreSQL database through Prisma ORM

•NestJS Backend API
•Next.js Web Platform
•React Native Mobile App
•Next.js Admin Dashboard
•PostgreSQL Database
•AWS S3 Storage
•Clerk Authentication
•Stripe Payment Processing

Technical Details

Frontend

Framework: Next.js 15.2 & React Native (Expo)

State Management: React Hooks & Context

Styling: Tailwind CSS & NativeWind

Notable Features

  • Server-side rendering
  • Route protection with Clerk
  • Responsive design
  • Interactive course content
  • Real-time portfolio tracking

Backend

Framework: NestJS 11

Database: PostgreSQL with Prisma ORM

API: RESTful API with Swagger documentation

Notable Features

  • JWT authentication
  • Role-based access control
  • API rate limiting
  • Health checks
  • Database migrations

Infrastructure

Hosting: AWS

Deployment: Docker & Vercel

Monitoring: Built-in health checks

Notable Features

  • S3 for asset storage
  • PostgreSQL on AWS
  • Automated deployments
  • Environment-based configuration

Team & Role

Team Information

Team Size: Small team

Role: Full Stack Developer

Responsibilities

  • Architecture design
  • Frontend development
  • Backend development
  • Database design
  • API integration
  • DevOps

Project Journey

01

Challenge

Building a consistent user experience across web and mobile platforms

02

Solution

Implemented a microservices architecture with NestJS backend

03

Impact

Successfully deployed multi-platform application

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01

Challenge

Implementing secure user authentication and payment processing

02

Solution

Used Clerk for secure authentication across platforms

03

Impact

Secure user authentication and payment processing

→
01

Challenge

Managing real-time cryptocurrency data integration

02

Solution

Integrated Stripe for payment processing

03

Impact

Scalable database architecture

→
01

Challenge

Ensuring scalable database architecture with Prisma

02

Solution

Leveraged Prisma for type-safe database access

03

Impact

Responsive and consistent UI across platforms

→
01

Challenge

Coordinating state management across multiple interfaces

02

Solution

Implemented responsive design with Tailwind CSS

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