Solidity Jobs

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Reuben Cooley Inc.
$100k - $110k
NJ Jersey City US

Key Responsibilities

  • Design, develop, and deploy Web3 components and integrations for a Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectors.
  • Build and maintain backend services that interface with public and permissioned blockchain networks (e.g., Ethereum, Hyperledger Besu, Corda, or equivalent).
  • Develop, test, and audit smart contracts written in Solidity or equivalent languages, ensuring security, correctness, and gas efficiency.
  • Integrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services.
  • Implement asynchronous, event-driven architectures to handle on-chain events, transaction lifecycle management, and blockchain state synchronization.

Qualifications / Experience

  • Bachelor's degree in Computer Science, Engineering, or a related discipline; MS is a plus.
  • 8+ years of overall software engineering experience, with a strong backend development foundation.
  • 2 to 4 years of hands-on experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integration.
  • 3 to 5 years of experience with backend development using Java/Spring, Node.js, or equivalent enterprise frameworks.

What does a solidity developer do?

A Solidity developer is a programmer who specializes in writing smart contracts using the Solidity programming language

Solidity is a contract-oriented, high-level language for implementing smart contracts on various blockchain platforms, such as Ethereum

The responsibilities of a Solidity developer can vary depending on the specific project they are working on, but some common tasks they might be responsible for include:

  • Writing and testing Solidity code for smart contracts, Debugging and troubleshooting issues with existing smart contracts
  • Collaborating with other members of the development team to ensure that the contracts are implemented according to the project's specifications
  • Keeping up-to-date with the latest developments in the Solidity and blockchain communities, and incorporating new best practices and techniques into their work
  • Participating in code reviews and contributing to the development of coding standards and guidelines for the project.