Solidity engineer in blockchain

Tangem; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Stability, development, participation

Remote work from anywhere in the world

Competitive salary in EURO/USDT

Unlimited vacation

Birthday presents

Compensation for devices

Paid sick leaves

Job summary

Tangem — высокотехнологичная компания в блокчейн-секторе, основана в 2017 году, штаб-квартира в Цуге, Швейцария, с глобальным охватом. Ищем инженера по разработке смарт-контрактов на Solidity для интеграции протоколов Safe multisig и архитектуры EVM.

В задачи входит разработка и внедрение автоматических механизмов на цепочке (stop/limit ордера, расчёт газовых платежей), обеспечение безопасности и оптимизации контрактов.

Qualifications

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

Responsibilities

• Интегрировать инфраструктуру Safe multisig для поддержки Smart Accounts в Tangem Wallet.
• Разрабатывать токенные газовые платежи.
• Проектировать и строить stop orders, limit orders и другие автоматизированные on-chain механизмы.
• Создавать и поддерживать смарт-контракты в основном для сетей EVM; оптимизировать контракты по безопасности, газу и тестируемости; участвовать в архитектурных решениях.

Skills

Solidity

Smart contract development

EVM knowledge

Security best practices

Job description

Описание

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.

Задачи

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

Требования

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

Условия

• 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