OpenZeppelin
openzeppelin.com
OpenZeppelin is a smart contract security company founded in 2015 with origins in Buenos Aires. Its open-source contract libraries are the de facto standard for token and access control implementations across Ethereum and compatible chains. The firm also performs audits and sells Defender, a platform for secure contract operations, upgrades and incident response.
Open 102 daysVerified live · 2 hours ago
4 months ago
Lead Blockchain Security Developer (Canton)
Lead • 3+ years exp • Remote (Europe) • Contractor • Staff
Solidity
Cairo
Move
Cairo
OpenZeppelin Cairo
AI/ML
Anthropic SDK
Claude
Claude Code
Cursor
Anthropic
Model Context Protocol
Tokenization
Web3
Aave
Aleo
Aptos
Arbitrum
Axelar
Cardano
Chainlink
Chainlink CCIP
DeFi
Ethereum
LayerZero
OpenZeppelin
Smart Contracts
Starknet
Stellar
Tokenomics
Uniswap
Wormhole
Apply
Open 2064 daysVerified live · 2 hours ago
5 years ago
Blockchain Security Researcher - Future Openings
Remote • Contractor • English: C1
Solidity
Cairo
Go
Move
Rust
Cairo
OpenZeppelin Cairo
Solidity
Certora
Echidna
Halmos
Cybersecurity
Threat Modeling
Web3
Aave
DeFi
Ethereum
OpenZeppelin
Smart Contracts
Uniswap
Aptos
Cosmos
Cosmos SDK
Foundry
Solana
Starknet
Stellar
Sui
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