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Genesis NGN

Blockchain Developer

9.0/10

Genesis NGN

$163,200 – $182,400 USD
Remote
mid
26 days ago
cryptodevweb3JavaSpring BootEthereumHyperledger FabricCordaSolidityREST APIsmicroservicesDocker

AI Summary

The vacancy is well-structured with clear expectations and compensation, though company details could be more comprehensive.

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Description

Key Responsibilities

  • •Design and develop secure, scalable backend services in Java to interact with blockchain networks.
  • •Build RESTful APIs and microservices to support blockchain-based applications.
  • •Develop and integrate smart contracts using blockchain platforms such as Ethereum or Hyperledger Fabric.
  • •Implement transaction processing, wallet integration, and blockchain node communication.
  • •Ensure security, cryptography, and data integrity in blockchain applications.
  • •Optimize system performance for high-throughput distributed environments.
  • •Collaborate with frontend developers, DevOps teams, and blockchain architects.
  • •Write unit tests, integration tests, and documentation.
  • •Participate in architecture discussions and code reviews.

Preferred Skills

  • •Experience with Web3 libraries such as Web3j.
  • •Knowledge of DeFi, NFTs, or token standards (ERC-20 / ERC-721).
  • •Experience with CI/CD pipelines and DevOps practices.
  • •Understanding of event-driven architecture and messaging systems.

Education

  • •Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.

Requirements

Required Skills & Qualifications

  • •Strong experience with Java backend development (Java 8+).
  • •Experience with frameworks such as Spring Boot or Spring Framework.
  • •Hands-on experience with blockchain platforms like:
  • •Ethereum
  • •Hyperledger Fabric
  • •Corda (optional).
  • •Experience with smart contracts (e.g., Solidity).
  • •Knowledge of cryptography, consensus mechanisms, and distributed ledgers.
  • •Experience building REST APIs and microservices.
  • •Familiarity with Docker, Kubernetes, and cloud platforms.
  • •Experience with relational or NoSQL databases.
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