Lead Blockchain Security Developer (Canton)

Overview

Accountabilities

• Lead the end-to-end development of a production-grade smart contract library for a Daml-based ecosystem, including vaults, RBAC systems, credentials, messaging gateways, and modular account primitives.
• Architect and implement core DeFi reference applications such as privacy-preserving decentralized exchanges, lending protocols, cross-network stablecoin settlement systems, and confidential auction platforms.
• Drive the implementation of key protocol standards and ensure compatibility across evolving ecosystem specifications in collaboration with external technical stakeholders.
• Own technical roadmap discussions, milestone planning, and delivery coordination with multiple institutional and protocol partners.
• Conduct deep security design reviews, threat modeling, and audit preparation in collaboration with internal security researchers and auditors.
• Build and extend AI-native engineering workflows, including automation agents, evaluation systems, and security-focused tooling.
• Apply AI-assisted techniques to enhance vulnerability discovery, invariant testing, fuzzing, and formal analysis.
• Contribute insights and improvements back to protocol-level tooling, SDKs, and developer experience frameworks.
• Engage in advanced research around privacy-preserving financial systems, multi-party authorization, and secure DeFi architecture.

Requirements

• Strong production experience with Daml, including building and shipping complex smart contract systems using templates, choices, and multi-party authorization patterns.
• 3+ years of experience working with UTXO-based or privacy-preserving blockchain architectures such as Canton, Cardano, Mina, Zcash, or similar systems.
• 3+ years of hands-on DeFi engineering experience, including building primitives like AMMs, lending protocols, vault systems, or cross-chain settlement solutions.
• Proven security-first mindset with demonstrated experience in auditing, hardening, or responsibly disclosing vulnerabilities in production systems.
• Strong understanding of reusable protocol and SDK design patterns, including modular architectures, hooks, and extensible primitives.
• Experience with cross-chain interoperability solutions and messaging protocols such as LayerZero, Wormhole, Chainlink CCIP, or similar technologies.
• Familiarity with institutional-grade financial systems, including compliance flows, custody models, and credential-based authorization logic.
• Daily use of AI-powered developer tools with proven experience building or integrating AI agents, automation pipelines, or evaluation frameworks.
• Practical experience applying AI in security workflows such as fuzzing, static analysis enhancement, or vulnerability research.
• Strong communication skills in English and ability to work directly with technical stakeholders.
• High autonomy, ownership mindset, and ability to operate in complex, fast-paced environments.

Nice To Have

• Background in cryptography or financial engineering.
• Experience in institutional finance, capital markets, or tokenized real-world assets.
• Contributions to open-source blockchain or AI tooling projects.
• Experience with non-EVM ecosystems such as Starknet, Aptos, Arbitrum Stylus, or Stellar.

Benefits

• Fully remote work with global collaboration opportunities
• Flexible time off and strong work-life balance support
• Paid parental leave
• Home office equipment stipend (up to 500 USD)
• Medical insurance coverage
• Learning and development support
• Regular in-person global team gatherings
• Opportunity to work on cutting-edge blockchain and AI-native infrastructure

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