Blockchain Jobs

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Okx

📍 Bahamas, New Providence, Bahamas

$76k - $90k

Salvo Software
$62k - $77k estimated
Remote

We are looking for a Senior Blockchain Developer with proven experience in building decentralized exchange platforms (DEX) for EVM chains. This role is ideal for a professional who has worked in smart contract development, wallet integration, and liquidity pool management, and can implement advanced functionalities in distributed systems with high security and efficiency.

Key Responsibilities

  • Smart Contracts: Develop and secure Solidity-based smart contracts for trading, liquidity, and governance, supporting Ethereum, Polygon, and BSC, with Rust options for other blockchains.
  • Security Audits: Conduct ongoing reviews and audits to ensure contract security and prevent vulnerabilities.
  • Wallet Integration: Enable secure user registration and authentication with wallets like MetaMask and WalletConnect.
  • Backend & APIs: Build a Node.js/TypeScript backend and RESTful APIs for smooth interaction between frontend, smart contracts, and blockchain data.
  • Real-Time Data: Manage real-time order books and integrate oracles like Chainlink for accurate pricing and data feeds.
  • Testing & Deployment: Implement CI/CD pipelines, test smart contracts with Hardhat or Truffle, and use IPFS for decentralized storage when necessary.
  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
  • Minimum of 6 years of experience as a Blockchain Developer writing smart contracts in Solidity, preferably for DeFi or DEX applications, with experience for the following chains: Ethereum, Polygon, and Binance Smart Chain (BSC).
  • Rust and Golang are a plus.
  • Experience with Web3.js and frontend development using React.
  • Familiarity with advanced security implementation in smart contracts, auditing, and secure authentication best practices.
  • Experience in decentralized Oracle integration and optimization.
  • Skills in automated testing and deployment of distributed applications.

What does a blockchain developer do?

A blockchain developer is a software developer who specializes in the development of applications that make use of blockchain technology

Some of the responsibilities of a blockchain developer may include:

  • Designing and implementing smart contracts.
  • Creating and maintaining the infrastructure that supports the blockchain network, and developing user-facing applications that make use of the blockchain.
  • Additionally, a blockchain developer may also be responsible for researching and staying up-to-date with the latest developments in blockchain technology, in order to ensure that their applications are secure and efficient.