About this role
Responsibilities
- Lead product security architecture across the platform, ensuring security is embedded into core system design.
- Analyze and secure the platform's key management, signing workflows, and transaction pipelines.
- Conduct system-level threat modeling for new features, protocols, and blockchain integrations.
- Design and review security-sensitive components such as auth systems, authorization models, and cryptographic workflows.
- Define and implement defense-in-depth controls across application, infrastructure, and protocol layers.
- Own and expand software supply-chain security, from dependency scanning in CI to package scanning on developer laptops.
- Drive infrastructure and security configuration into version-controlled code in GitHub to eliminate configuration drift.
- Work with engineering teams to ensure secure design decisions during product development and architectural planning.
- Investigate emerging risks across blockchain protocols, custody models, and cryptographic systems.
- Support ongoing SOC 2, ISO, and certification work as the platform's control surface grows.
- Support incident response and root-cause analysis for security-critical events.
- Provide day-to-day security support to developers, making the secure pat