via ats_lever · 26 de maio de 2026 ·há 10 dias

Lead Blockchain Security Developer (Canton)

jobgether
Portugal Tempo inteiro
12 vagas em Portugal — e mais nas redondezas.
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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

O mercado para este tipo de cargo

Vagas similares
12
vagas de Software em Portugal
Tempo integral
94%
das vagas de Software em Portugal
Remoto possível
28%
das vagas de Software
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