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Senior Solidity Engineer

Tangem
Remote / Zug, SwitzerlandPosted 4 days ago
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Tangem is a high-tech company in the blockchain sector was 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. Company owns and promotes the technology of hardware cold-wallet for digital assets with secure and simple UX in 220 countries today. Our customers enjoy setup time within 1 minute with the ultimate security level for digital assets on their wallet. Tangem solutions offer multi-support of a growing number of thousands of tokens by a single wallet. SBI Crypto Investment Ltd., the digital asset venture investment company wholly owned by SBI Holdings Inc., has invested $15 million into Tangem in 2019 for mass adoption of blockchain technology.

Key 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.

We expect

  • 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.

Preferred / Nice-to-Have Qualifications

  • Experience with Account Abstraction;
  • Experience with Safe multisig;
  • Experience with non-EVM chains (Solana, TON, Sui, Aptos, etc.).

Perks & Compensation

  • 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.

Vitalii - vkolesnikov@tangem.com

About Tangem

Tangem is a Swiss-based high-tech blockchain company founded in 2017 and headquartered in Zug, Switzerland, with offices in North America, Europe, and APAC. Tangem manufactures cold hardware wallets that allow users to store digital assets safely using smartcards paired with mobile applications. Tangem wallets support thousands of tokens across multiple blockchains with a 1-minute setup time and serve customers across 220+ countries.