Interexy is looking for a Fullstack Tech Lead (React + Node.js).

Conditions: rate: $25/hour; Remote (Europe, Vienna + remote) / hybrid; Full-time; English B2+

Responsibilities:

  • Participate in solution architecture and key technical decisions
  • Write production-level code and support the development team
  • Provide technical consulting on blockchain/Web3 and prediction market mechanics
  • Join presale and discovery calls with clients
  • Support project estimation and technical scoping
  • Act as a technical expert for the team
  • Contribute to scalable and high-load system development

Requirements:

  • Commercial experience as a Senior/Lead Backend or Fullstack Engineer
  • Strong experience with React and Node.js
  • Experience in crypto, blockchain, fintech, or trading-related projects
  • Understanding of prediction markets, trading platforms, betting mechanics, or exchange systems
  • Strong backend development skills and experience with scalable/high-load systems
  • Ability to make independent technical decisions and good communication skills

Nice to have:

  • Experience with Web3 and smart contracts
  • Experience with crypto exchange or trading platforms
  • Understanding of DeFi mechanics
  • Technical consulting or tech leadership experience
  • Participation in presale/discovery stages