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Numyas · Leipzig, Remote

Blockchain Back-End developer (Asset Tokenization & API Integration)

  • Posted
  • Freelance / Full-time
  • Fully remote
EngineeringAsset TokenizationBackend DeveloperDeveloper
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This listing was posted more than 30 days ago and may have been filled. See the latest jobs.

We are seeking a skilled Blockchain Back-End Developer to join our dynamic team. This role focuses on designing, developing, and maintaining robust back-end systems for asset tokenization while integrating critical APIs for KYC (Know Your Customer), wallet management, and custody solutions. You will collaborate closely with cross-functional teams to deliver secure, scalable, and efficient blockchain applications.


Key Responsibilities:



  • Design and develop back-end architecture for asset tokenization platforms, ensuring high performance and security.

  • Implement and integrate APIs for KYC verification, digital wallets, and custody solutions.

  • Create and maintain smart contracts for token issuance and management on blockchain networks (e.g., Ethereum, Polygon, etc.).

  • Ensure seamless data flow between blockchain networks and traditional systems.

  • Collaborate with front-end developers, DevOps, and product managers to deliver end-to-end blockchain solutions.

  • Optimize and secure blockchain transactions, data handling, and API integrations.

  • Maintain up-to-date documentation of systems, APIs, and workflows.

  • Stay updated with the latest advancements in blockchain technology and asset tokenization.