Hardhat Web3 Jobs in Europe
88 jobs found
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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
MetaWealth | Bucharest, Romania | $81k - $87k | |||
molecule.xyz | Berlin, Germany | $105k - $120k | |||
Fmr | London, United Kingdom | $122k - $150k | |||
Nomic Foundation | Berlin, Germany | $65k - $107k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Nexus Mutual | London, United Kingdom | $87k - $87k | |||
cLabs | Remote | $87k - $87k | |||
Serotonin | Berlin, Germany | $36k - $54k | |||
Sentient | United Kingdom | $67k - $78k | |||
MORPHO LABS | Paris, France | $87k - $87k | |||
MORPHO LABS | Paris, France | $98k - $108k | |||
Nomic Foundation | Berlin, Germany | $87k - $87k | |||
DV Labs | Lisbon, Portugal |
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Nethermind | London, United Kingdom | $39k - $65k | |||
Seedify | Europe | $36k - $56k | |||
Kiln | Paris, France | $63k - $75k |
MetaWealth
Senior Blockchain Engineer - Solidity
London / Bucharest / Kiew
Product & Engineering – Product /
Remote/Europe Based Only /
Remote
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We are looking for an Senior Blockchain Engineer to help design and develop secure, efficient, and scalable smart contracts for our Real-World Asset (RWA) protocol. You will play a key role in building DeFi functionalities, staking mechanisms, liquidity management, and DAO governance. This role requires experience in Solidity, Hardhat, Foundry, OpenZeppelin, and gas-optimized smart contract development.
Responsibilities
- Develop secure and efficient smart contracts in Solidity for an RWA protocol
- Write comprehensive tests using Foundry, Hardhat, and JestAudit and optimise smart contracts to identify and mitigate potential security vulnerabilities
- Build client libraries (ethers.js, web3.js) to enable easy integrationsImplement gasless transactions
- Collaborate closely with backend and product teams to integrate smart contracts into the broader system
- Stay updated with the latest EVM advancements, security best practices, and DeFi innovations
Tech Stack
- Smart Contract Development: Solidity, Hardhat, Foundry, OpenZeppelin
- Blockchain Development: EVM-based chains
- Libraries & Testing: ethers.js, web3.js, Jest
- Security & Optimization: Gas optimisations, smart contract security, EIP-3009
Qualifications
- 3+ years of experience developing EVM-based smart contracts
- Strong knowledge of Solidity, Hardhat, and Foundry
- Experience working on DeFi, RWA, staking, liquidity pools, and DAOs
- Deep understanding of gas optimisations and security best practices
- Familiarity with ERC-20, ERC-721, ERC-1155, and EIP-3009 for gasless transactions
- Ability to write secure and well-documented smart contracts
- Experience with auditing smart contracts and working with security firms
Nice to Have
- Experience with bridges and Layer 2 scaling solutions
- Knowledge of cross-chain communication
- Familiarity with on-chain KYC mechanisms
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