Senior Security Engineer (Blockchain)

💰 **$200-240k** **base + bonus + equity** 🌍 **Fully remote (US)** We’re building modern financial infrastructure focused on fast, secure, and scalable global payments. We’re looking for a Senior Security Engineer who can operate across blockchain infrastructure, application security, and distributed systems. **Responsibilities** - Lead security reviews, threat modeling, and risk assessments across payment systems and APIs. - Secure blockchain infrastructure and cloud environments in AWS/GCP. - Build and improve secure SDLC processes, CI/CD security checks, and vulnerability management. - Design security controls for key management, authentication, and sensitive financial operations. - Develop monitoring and detection capabilities for infrastructure and distributed system threats. **Qualifications** - 6+ years in Security Engineering across infrastructure and application security. - Strong coding skills in Python, Go, or Rust with experience reviewing production code. - Experience securing cloud-native environments and distributed systems. - Strong familiarity with blockchain, cryptography, or decentralized technologies. - Strong communication skills with the ability to partner closely with engineering teams.