Location: Remote - US or EURemote | Full-timeCompensation: $160K - $240KOur client operates a core banking platform designed specifically for digital assets, enabling fintechs and systemically important financial institutions to build, operate, and scale onchain infrastructure.
The platform secures over €100B in assets and powers critical operations—including key management, transaction processing, treasury, and compliance—for over 400 global institutions.
Our client is seeking a Principal Security Engineer to lead product security across the entire ecosystem.
In this role, security is built directly into the system's architecture rather than applied as a secondary control.
The ideal candidate will take ownership of hardening key management, signing workflows, authentication systems, policy enforcement, and multi-chain integrations.
Beyond core product security and vulnerability management, this position plays a pivotal role in shaping the long-term architectural vision of a platform trusted by tier-one financial institutions.
As an organization committed to technical excellence, our client also encourages contribution to the broader security community through research, publications, and industry events.
Key ResponsibilitiesArchitectural Leadership: Lead product security architecture, ensuring security principles are embedded into core platform design and development cycles.
Core Infrastructure Security: Analyze and secure key management systems, transaction pipelines, and signing workflows across modern distributed networks.
Threat Modeling & Review: Perform system-level threat modeling for new product features, protocols, and multi-chain integrations.
Cryptographic & Auth Security: Design and evaluate security-sensitive components, including authentication protocols, authorization frameworks, and applied cryptographic workflows.
Defense-in-Depth: Define, implement, and maintain multi-layered security controls across the application, infrastructure, and protocol layers.