Hxro is a disruptive financial platform pioneering new and innovative real-time cryptocurrency trading products.We are revolutionizing what it means to trade by blending the world of finance with gamification.Our mission is to make the complex world of trading more approachable, accessible and fun so that anyone can play the markets.  The company was founded on the principle that playing the markets should be experientially rewarding as well as financial.

Hxro is seeking a Senior Full-Stack Engineer- CONTRACTOR with experience in trading or in building exchanges to join its Blockchain Team. The Hxro Blockchain Team is building a real-time trading experience on Solana blockchain. This is a highly anticipated project by both the Hxro and Solana communities.


  • Work with the blockchain engineers to create backend services that send and receive data between the blockchain and the frontend.
  • Create, collaborate and lead the frontend implementation for the real-time trading experience
  • Document and share the technical details with both team and developer communities
  • Write reusable, testable, efficient and maintainable code using solid development principles.


  • 2+ years experience in NodeJS and Javascript frontend framework such as React or Svelte for the UI
  • Experience with development on public blockchain systems such as Ethereum or Solana a plus
  • Experience with Rust or Solidity a plus
  • Experience in Docker and AWS a plus
  • Experience with distributed systems, or a strong desire to learn
  • Experience with modern backend frameworks
  • RESTful API design and development, and a desire to learn alternatives
  • Database development experience using Dynamo or PostgreSQL
  • Fearless when it comes to jumping in and learning other areas of development


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