Blockchain Developer with Java Expertise (2 roles)

Our client in the Banking sector is building a new blockchain platform, and are looking for experienced **Blockchain Developers** with strong Java expertise. You will be part of a core team responsible for designing, developing, and delivering the platform ahead of next year’s go‑live. **Your Role** - Develop blockchain components, smart‑contract‑like logic, and platform services using Java - Collaborate with analysts and architects to translate requirements into technical solutions - Contribute to platform architecture, integration patterns, and performance optimisation - Participate in code reviews, testing, and continuous improvement **Assignment Details** - Start: ASAP - Duration: Long‑term - Hybrid model with 50% onsite presence (bi‑weekly 2 days onsite, then 3 days onsite in Leuven. **Requirements** **What We’re Looking For** - Hands‑on blockchain development experience - Strong Java development background - Ability to work in an evolving architecture where the tech stack is still being defined - Fluent English