Blockchain Engineer
Core
Design and develop scalable backend services and blockchain integrations for ING's digital asset ecosystem, supporting wallet management, custody workflows, and asset operations.
Role type
Senior Blockchain Engineer (Backend focus)
Builds
Scalable microservices, API integrations with external blockchain networks, and digital asset custody platforms
Domain
Banking / Digital Assets / Blockchain
Deliverable
production ML models | product features
Required skills
Java, Kotlin, Spring Boot, Microservices Architecture, REST APIs, Event-driven architectures, Kafka, SQL/NoSQL, Docker, Kubernetes, CI/CD
Preferred skills
Smart contract interactions, Blockchain infrastructure integration, System integration, Scalability patterns
Responsibilities
Design and develop enterprise-grade backend services using Java; Build APIs and microservices supporting digital asset products; Implement blockchain-related business logic and workflows; Integrate external blockchain networks into ING's digital asset ecosystem; Ensure high availability, security, performance, and maintainability.
Seniority
Senior, hands-on IC