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, Web3.js / Ethers.js 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 networkDeep knowledge of and experience with the Java VM, covering its strengths and weaknesses5+ years of Java experienceDeep knowledge of and 5+ years of experience with Node JS, covering its strengths and weaknessesStrong grasp of Computer Science fundamentals including concurrency, performance optimization, and reusabilityStrong engineering principles and processes aimed at developing simple, modular, testable, and high-quality codeFamiliarity with security principles, cryptographic tools and librariesFamiliarity with high-performance architectural systems and design patternsJ-18808-Ljbffr