Solidity Developer in Constanţa

Solidity (advanced) Fully remote work Playfootball.io is a football manager built on the license of a popular football game combined with blockchain. We're merging a game that has over a million registered players into the ultimate social PlayToEarn game using blockchain and nft technology. Responsabilities; develop smart contracts using Solidity; take a security first approach to smart contract development; write, optimize, and maintain code for improved performance and maintainability; collaborate with cross-functional teams to define, design, and ship new features; Requirements: 3+ years of Solidity experience; knowledge of popular ERC standards, especially with NFT like ERC-721 and ERC-1155 extensive experience in testing and debugging; strong Solidity understanding, preferably with at least one project shipped to mainnet; excellent understanding of blockchain technology and decentralized applications; Nice to have: Familiarity with optimism roll-up and zero-knowledge scaling solutions. Knowledge of frontend libs like web3.js/ethers.js to provide help for frontend team. Experience in using development frameworks, such as Truffle or Hardhat; Knowledge of decentralized storage solutions, such as IPFS; We offer: 100% remote work; B2B contract or payment through useme.com; Flexible working hours based on your preferences and availability. A cohesive remote team. Communication through TS/Trello/Slack. No requirement to participate in video conferences at work; Collaborating with experienced Web2 developers; Work in an international team. We are waiting for your CV! We reserve the right to contact only selected candidates.