Hashgraph, formerly Swirlds Labs, is a software company home to some of the brightest minds in web3.
Staff Software Engineer – Smart Contracts
Location
United States
Posted
128 days ago
Salary
Not specified
Job Description
Job Requirements
- Master’s degree in Computer Science or a similar field or equivalent work experience
- 7+ years of software development experience
- 4+ years of blockchain development experience
- Proficiency in JS/TS programming language and its ecosystem of libraries
- Node.js backend development experience
- Familiarity with high-performance architectural systems and design patterns
- Knowledge of the blockchain technology ecosystem, particularly EVM
- Experience with smart-contract development with Solidity/Vyper, HardHat, Foundry, Web3.js / Ethers.js frameworks, JavaScript/TypeScript
- Experience writing secure, efficient, and gas-optimized smart contracts for decentralized applications (dApps) on EVM-compatible networks
- Experience with wallet integrations (MetaMask, WalletConnect, etc.), and tools and libraries for connecting web3 applications with users' wallets
- Understanding of Ethereum ecosystem ERC20s, ERC721s, ERC1155s, on-chain and off-chain
- Ethereum Json RPC specification knowledge
- Experience with distributed open-source application development
- Excellent debugging, critical thinking, and interpersonal skills
- Familiarity with test-driven software development processes and continuous integration tools and systems
Benefits
- Health insurance
- 401(k) matching
- Flexible work hours
- Paid time off
- Remote work options
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