Staff Software Engineer - Smart Contracts Team

About The Role:

The Smart Contracts team is looking for a seasoned engineer who can contribute to the development of the Hedera services in both the Java and the web3 APIs in JS/TS that process smart contract transactions across the network submitted using varied web3 tools.

Qualification Requirements:

• Experience with distributed open-source application development
• Excellent debugging critical thinking and interpersonal skills
• Knowledge of the blockchain technology ecosystem particularly the EVM
• Expertise in the Java and JS/TS programming language and its ecosystem of libraries and tools
• Experience with smart-contract development with Solidity/Vyper Foundry / frameworks JavaScript/TypeScript
• Experience with Ethereum Development Suites (e.g. Harhat Foundry Truffle Ganache Tenderly)
• Experience writing secure efficient and gas-optimized smart contracts for decentralized applications (DApps) on EVM-compatible networks
• Understanding of Ethereum ecosystem ERC20s ERC721s ERC1155s on-chain and off-chain
• Experience with Wallet integrations (MetaMask WalletConnect etc.): Tools and libraries for connecting Web3 applications with users cryptocurrency wallets
• Strong understanding of RESTful API design and development
• Familiarity with test-driven software development processes and continuous integration tools and systems
• Experience with web3 tools that support development indexing and transaction management such as TheGraph
• 7 years of software development experience
• Masters degree in Computer Science or a similar field or equivalent work experience

Other skills that are great to bring with you but that we can help you develop:

• Knowledge of the Hedera network
• Deep knowledge of and experience with the Java VM covering its strengths and weaknesses
• 5 years of Java experience
• Deep knowledge of and 5 years of experience with Node JS covering its strengths and weaknesses
• Strong grasp of Computer Science fundamentals including concurrency performance optimization and reusability
• Strong engineering principles and processes aimed at developing simple modular testable and high-quality code
• Familiarity with security principles cryptographic tools and libraries
• Familiarity with high-performance architectural systems and design patterns