Get Discovered
No applications. Teams find and message you directly.
Get discovered. Join the talent poolNo account needed · 0 people in the pool→
No account needed. Teams find you and reach out directly.
0 people already in the pool
◆ 8/10
cryptodefidevsecurity
About this role
OpenZeppelin is seeking a Senior Blockchain Security Developer to create solutions on Daml and implement AI agents in security workflows for on-chain finance.
Description
OpenZeppelin develops open-source contract libraries and AI-native security tools for on-chain finance (in partnership with DTCC, Fidelity, Coinbase, Uniswap, Aave).
Responsibilities
- Develop and maintain the OpenZeppelin Contracts Library for Daml (Timelock, access control, vaults, token support);
- Design Reference Implementations: privacy-preserving DEX, lending, cross-chain stablecoin settlement, confidential auction launchpad;
- Implement and support OZ Daml implementations CIP-56, CIP-86, CIP-103, coordinate processes with partners;
- Participate in threat modeling, prepare for audits, and fix vulnerabilities with security researchers;
- Utilize AI systems in daily work (building agents, skills, and workflows for development and security).
Requirements
- Production Daml fluency: templates, choices, controllers/observers/signers, multi-party authorization;
- Deep understanding of Canton architecture (Global/private synchronizers, transaction visibility, CIP standards);
- 3+ years of production smart contract development experience (including UTXO or privacy-preserving architectures);
- Experience in developing DeFi primitives (AMM, vaults, lending, cross-chain) and understanding their vulnerabilities;
- Security-first mindset: writing secure code by default and adversarial thinking;
- AI-native workflow: experience with Claude Code, Cursor, or similar; ability to build and control agents.
Conditions & Benefits
- Fully remote work with flexible hours and flexible vacation;
- 8 weeks of paid leave for primary caregivers (4 weeks for secondary) + one-time bonus of $3,600;
- Up to $500 reimbursement for home office equipment;
- Monthly co-working compensation;
- Medical insurance and learning opportunities.
Job Details
Market range (est.)$120k–$245k
LocationRemote
AI Score★★★★★★★★☆☆ 8/10
PostedOct 12, 2026 (1d ago)
Tags & Skills
cryptodefidevsecurityweb3fintechrwaBlockchain Developerremote
Tech Stack
DamlCantonCIP-56CIP-112EVM patternsAMMERC-4626Cross-chainClaude CodeCursorSpliceDaml SDK