About Tangem
Tangem is a high-tech company in the blockchain sector, founded in 2017, headquartered in Zug, Switzerland, with branches in North America, Eastern Europe, and APAC. Tangem started with the idea of bringing digital assets to the masses using a unique combination of a smartcard-based hardware wallet and mobile applications. The company owns and promotes the technology of hardware cold-wallet for digital assets with secure and simple UX in 220 countries today. Customers enjoy setup time within 1 minute with the ultimate security level for digital assets on their wallet.
Responsibilities
•Serve as a key engineer in integrating Safe multisig infrastructure to power Smart Accounts in Tangem Wallet
•Implement token-based gas payments
•Design and build stop orders, limit orders, and other automated on-chain mechanisms
•Create and maintain smart contracts primarily for EVM networks
•Optimize contracts for security, gas efficiency, and testability; contribute to architectural decisions
Requirements
•4+ years of experience with Solidity and smart contract development
•Strong understanding of the EVM, gas model, security best practices, and architectural patterns
•Experience working with multi-operations and complex smart-contract systems
•Experience developing and maintaining production-grade smart contracts used by real users
Nice to have
•Experience with Account Abstraction
•Experience with Safe multisig
•Experience with non-EVM chains (Solana, TON, Sui, Aptos, etc.)
Conditions
•Stability, development, participation in the future unicorn's growth
•Remote work from anywhere in the world
•Competitive salary in EURO/USDT
•Unlimited vacation
•Birthday presents
•Compensation for the purchase of necessary technical devices for the work
•Paid sick leaves
