20h ago

Senior Backend Engineer, Blockchain

New York, NY

$180k-$220k / year

full-timesenior

🛠 Tech Stack

💼 About This Role

You'll build backend APIs integrating blockchain with traditional payments for a restaurant loyalty platform. Your work will directly shape the on-chain payment infrastructure that powers seamless Web3 experiences.

🎯 What You'll Do

  • Design and maintain backend APIs integrating blockchain with traditional payments
  • Integrate on-chain wallet services and manage transaction flows
  • Implement secure on-chain payment flows and state reconciliation
  • Mentor engineers and promote backend best practices

📋 Requirements

  • 5+ years building and deploying backend APIs
  • Strong proficiency in Kotlin or another JVM language
  • Working knowledge of Solidity and EVM ecosystems
  • Experience with RESTful APIs and domain-driven design

✨ Nice to Have

  • Experience with Spring Boot and Hibernate
  • Familiarity with U.S. payments ecosystem (debit, credit, ACH)
  • Exposure to AWS, Terraform, and CI/CD

🎁 Benefits & Perks

  • 💰 Competitive salary ($180k-$220k)
  • 📈 Equity (stock options)
  • 🏥 Medical, dental, vision insurance
  • 🏖️ Flexible time off
  • 🏦 401(k)
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