Backend Engineer with Security knowhow
Core
Design and implement secure backend services, custody workflows, and wallet management for ING's Digital Asset Services platform, integrating with blockchain SaaS providers.
Role type
Senior Blockchain Backend Security Engineer
Builds
Secure custody and wallet management capabilities for digital assets
Domain
Banking / Blockchain / Cryptocurrency
Deliverable
production ML models | product features
Required skills
Java (17+), Spring Boot, microservice architectures, RESTful APIs, event-driven architectures, Docker, Kubernetes, HSM integrations, cryptographic operations, key lifecycle management, security-by-design, threat modeling
Preferred skills
MPC custody solutions, institutional custody provider integration, blockchain security, smart contract risk assessment, Azure, ISO 27001, SOC2, Agile/Scrum
Technologies
Java, Spring Boot, Docker, Kubernetes, Azure, HSM
Responsibilities
Design and develop Java-based backend services for digital asset operations; Build APIs and microservices for wallet administration and custody workflows; Design secure key management processes and implement HSM integrations; Conduct security reviews and threat modeling; Collaborate with DevOps on CI/CD pipelines and infrastructure-as-code
Seniority
Senior, hands-on IC