blockchain security developer for Canton

HireHi

United States

Remote

USD 150,000 - 210,000

Full time

3 days ago
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Benefits offered by this job

Fully remote
Flexible time off
8 Weeks of paid leave for primary and

Job summary

OpenZeppelin ищет опытного инженера по безопасности и разработчика Daml для создания и аудита контрактов в области Web3 и DeFi. Вы будете разрабатывать архитектуру и внедрять компоненты для годовой версии реализации, работать с приватными протоколами и участвовать в кросс‑сетевых интеграциях.

Требуются 3+ года опыта разработки смарт‑контрактов, знание Canton, EVM‑паттернов и принципов безопасности; свободное владение английским языком; удаленная работа и гибкий график приветствуются.

Qualifications

  • Свободное владение Daml на продакшн уровне: шаблоны, выборы, контроллеры, наблюдатели, signatories, multi-party authorization
  • Глубокое понимание Canton архитектуры: Global Synchronizer, private synchronizers, видимость транзакций, апгрейды смарт‑контрактов, стандарты токенов
  • Опыт как минимум 3 года в разработке продакшн‑смарт‑контрактов, включая Canton или аналогичную приватную/UTXO‑архитектуру
  • Опыт в DeFi с выпуском примитивов: AMMs, vaults, lending protocols, кросс‑майнинг/settlement
  • Понимание практик безопасности, паттернов EVM, управление доступом, токен‑стандарты, кредитные пулы, DEX
  • Ориентация на безопасность, умение выявлять уязимости в Daml коде
  • Ежедневное использование Claude Code, Cursor или аналогов; работаем с агентами, навыками, ответственностью за AI‑поддерживаемую работу
  • Свободное владение английским языком для коммуникации с клиентами
  • Самодисциплина, проактивность
  • Будут плюсом: открытые аудиты, threat models, cryptography, privacy‑preserving DeFi, опыт работы в SV или Splice

Responsibilities

  • Владение фичами библиотеки OpenZeppelin Contracts для Daml от дизайна до аудита
  • Проектирование и реализация компонентов годовой Reference Implementations: приватный DEX, кредитный протокол, кросс‑цепное урегулирование стабильной монеты, конфиденциальная платформа запуска аукционов
  • Реализация и сопровождение версий Daml в OZ CIP‑56, CIP‑86, CIP‑103 и будущих CIP
  • Координация с Digital Asset по эволюции спецификаций и с ChainSafe по выравниванию middleware
  • Презентация и защита дизайнов в технических обсуждениях с Digital Asset, Canton Foundation и партнёрами
  • Работа с исследователями по моделям угроз, аудиту и исправлениям для используемых компонентов
  • Использование AI‑систем для исследований, дизайна, реализации, тестирования и безопасности; создание агентов, навыков и рабочих процессов
  • Вклад в улучшение опыта разработчиков и безопасность в upstream‑плоских проектах Canton, Splice, Daml SDK и Splice Wallet Kernel
  • Исследование приватности в DeFi, паттернов меж‑партнерской авторизации и Canton‑специфических примитивов; обмен выводами с командой

Job description

Описание

OpenZeppelin provides security services and open-source contract libraries for onchain finance and Web3. Its work combines AI-native security tooling, research, and audit expertise to support institutions and crypto-native teams throughout the secure development lifecycle.

Задачи
  • Own features of the OpenZeppelin Contracts Library for Daml end to end, from design through audit
  • Design and implement components of the year-one Reference Implementations, including a privacy-preserving DEX, lending protocol, cross-chain stablecoin settlement, and confidential auction launchpad
  • Implement and shepherd the OZ Daml versions of CIP-56, CIP-86, CIP-103, and future CIPs
  • Coordinate with Digital Asset on specification evolution and with ChainSafe on middleware alignment
  • Present and defend designs in technical discussions with Digital Asset, the Canton Foundation, and other partners
  • Work with security researchers on threat models, audit preparation, and fixes for owned components
  • Use AI systems for research, design, implementation, testing, and security work; build agents, skills, and workflows, and share effective approaches with the team
  • Contribute developer-experience and security feedback upstream to the Canton protocol, Splice, the Daml SDK, and the Splice Wallet Kernel
  • Research privacy-preserving DeFi, multi-party authorization patterns, and Canton-specific primitives, and share findings with the team
Требования
  • Production fluency in Daml, including templates, choices, controllers, observers, signatories, multi-party authorization, sub-transaction views, and propose/accept patterns
  • Deep understanding of Canton architecture, including the Global Synchronizer, private synchronizers, transaction visibility, smart contract upgrades, and token standards
  • At least 3 years of production smart contract development, including hands-on work on Canton or another UTXO-based or privacy-preserving architecture
  • Production DeFi experience shipping primitives such as AMMs, vaults, lending protocols, or cross-chain settlement
  • Understanding of security pitfalls and standard EVM patterns, including access control, token standards, lending pools, and DEXs
  • A security-first mindset, adversarial thinking, and the ability to identify vulnerabilities in Daml code
  • Daily use of Claude Code, Cursor, or equivalent; familiarity with agents, harnesses, and skills, and accountability for shipped AI-assisted work
  • Fluent English for client-facing communication
  • Autonomy and proactivity
  • Будет плюсом: published audits, threat models or disclosures, cryptography or financial engineering background, privacy-preserving DeFi, institutional finance and compliance design, experience running an SV or contributing to Splice internals, governance or Canton Coin tokenomics, cross-chain messaging protocols, reusable library or SDK API design, applying AI to security work, hands-on experience with non-EVM ecosystems, open-source contributions to widely used smart-contract or AI-tooling libraries
Условия
  • Fully remote work
  • Flexible time off
  • 8 Weeks of paid leave for primary caregivers and 4 weeks for secondary caregivers
  • One-time $3,600 baby bonus
  • Up to $500 in home-office equipment support
  • Medical insurance
  • Learning and development opportunities
  • Monthly stipend for a preferred co-working space
  • Paid technical work trial as part of the interview process
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