Wallet Security Engineer
Summary
Design and secure cryptocurrency wallets (cold, warm, hot) using HSM/MPC, automate key management and security policies, and lead incident response for a crypto exchange.
You will design and enhance the architecture of cold, hot, and warm wallets, develop private-key management systems, and improve architectures using technologies such as HSM and MPC. You will automate wallet security policies, build threat-monitoring systems, lead incident response, and review blockchain integrations and wallet logic for vulnerabilities.
Responsibilities
- Design and enhance cold, hot, and warm wallet architecture
- Lead the wallet security level and respond to evolving threats
- Design and develop private-key management systems
- Improve architecture and research new security technologies using HSM and MPC
- Establish procedural security for key management and wallet operations
- Automate and validate security policies through Policy as Code
- Model threats to wallet systems and interfaces
- Build security-monitoring systems to detect and respond to anomalies
- Lead responses to security incidents
- Review blockchain integrations and wallet logic for vulnerabilities
- Propose technical solutions and participate in code improvements
Requirements
- Deep understanding of cryptography, including symmetric and asymmetric keys, hashes, and digital signatures, and key-management principles
- Experience leading the design of security architectures for systems with high security requirements
- Proficiency in at least one of Python, Go, Java/Kotlin, or Rust, with the ability to develop security solutions and systems
- Practical experience applying Secure SDLC and threat modeling
- Experience designing fintech or custody-solution security architectures and developing related systems is preferred
- Experience developing or operating HSM- or MPC-based systems is preferred
- Experience implementing and automating wallet and key-management policies through Policy as Code is preferred
- Experience analyzing vulnerabilities from an attacker’s perspective and designing or validating proactive defenses is preferred
- A master's degree or higher in computer engineering, cryptography, information security, or a related field is preferred
- Knowledge of and experience applying Zero Trust principles is preferred
Benefits
- Overtime pay calculated by the minute
- Flexible staggered working hours
- Welfare points
- Commuting transportation support for night and holiday work
- Breakfast, lunch, and dinner provided or subsidized
- Unlimited snacks and beverages
- Housing purchase, rental-loan interest, or rent support
- Childcare cost support for preschool children
- Holiday and Parents' Day gifts
- Premium health checkups for employees and family members
- Group accident insurance
- Internal club activity support
- Resort and condominium accommodation support