Senior Software Engineer developing Rust - based solutions for OP Labs, an open - source blockchain network. Driving critical protocol features while engaging with complex system challenges in a global remote environment.
About the role
- Senior Blockchain Security Developer for OpenZeppelin, focusing on the Contracts Library for Daml. Leading technical implementation and working with cross-functional teams on DeFi protocols.
Responsibilities
- Own the development of the OpenZeppelin Contracts Library for Daml end-to-end.
- Lead the technical design and implementation of the year-1 Reference Implementations.
- Implement and shepherd the OZ Daml versions of CIP-56, CIP-86, CIP-103, and CIP-104.
- Run client-facing roadmap, design, and milestone discussions.
- Collaborate with OpenZeppelin's auditors and security researchers on threat models.
- Use AI systems as core daily tools.
- Apply AI directly to security work and share what works back to the team.
- Contribute developer-experience and security feedback upstream into the Canton protocol.
- Conduct open-ended research around privacy-preserving DeFi.
Requirements
- Production Daml fluency. You have shipped non-trivial Daml in production.
- 3+ years of experience in UTXO-based protocol development.
- 3+ years of experience on DeFi engineering in production.
- A security-first mindset. This is non-negotiable.
- Library / SDK API design taste. You've built reusable developer libraries.
- Cross-chain interoperability exposure. Production work with at least one major cross-chain messaging protocol.
- Institutional / compliance design fluency: You can design with credential gates, multi-party attestation, custody flows, and compliance hooks as native constraints.
- An AI-native workflow. Claude Code, Cursor, or equivalent is your daily driver.
- Experience applying AI to security work: You've already used AI in security workflows.
- Fluency in client-facing communication (English).
- Autonomy and proactivity.
Benefits
- Company in-person gatherings in different locations around the world 😎
- Fully remote work 🌎
- Flexible time off 🏝
- Paid parental leave 💙
- One time work-from-home equipment stipend of up to $500 USD 🪑
- Medical insurance coverage 🏥
- Learning & Development opportunities 🧠
- Work with a global team in a fast-growing industry 🚀
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