Frontend-Backend Integration Developer for Crypto Security Platform

Project Overview: We're building Obsydian, an innovative crypto security platform that combines self-custody wallet protection with AI-driven monitoring. We need a developer to integrate our existing Next.js frontend with our Nest.js backend infrastructure.


What You'll Do:

  • Connect Next.js 14 frontend with Nest.js backend APIs
  • Integrate Privy Web3 authentication across frontend/backend
  • Connect MUI/Toolpad dashboard components to PostgreSQL data via Prisma
  • Implement wallet connection flows using Privy (TBE)
  • Set up JWT service-to-service authentication
  • Integrate real-time data feeds for monitoring dashboard
  • Implement error handling and loading states
  • Ensure secure API communication

Technical Requirements:

  • 3+ years Next.js and TypeScript experience
  • Strong Nest.js/Express.js API integration skills
  • MUI (Material-UI) component integration
  • PostgreSQL/Prisma ORM knowledge
  • JWT authentication implementation
  • Docker containerization familiarity
  • Web3/crypto development preferred

Technology Stack:
 

  • Frontend: Next.js 14, MUI, Toolpad, Privy, TypeScript
  • Backend: Nest.js, Express.js, PostgreSQL, Prisma, Docker
  • Auth: Privy + JWT (TBE)

Project Details:

  • Duration: Maximum 2 weeks
  • Start Date: Immediate
  • Communication: Daily progress updates

Key Deliverables:
 

  • Fully integrated Next.js Nest.js system
  • Privy authentication flow
  • Dashboard with live PostgreSQL data
  • API error handling
  • Basic integration documentation

To apply include experience on/with:

  • Next.js + Nest.js project portfolio
  • Privy/Web3 auth integration
  • Realistic 2-week timeline

 

Terms of work
750
ETH, USDT, TIME
+53

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