Java Developer (Blockchain)

Role : Java Developer (Blockchain)

Type : Contract

Location : London, UK (Hybrid)

Roles and Responsibilities

Backend Engineering

• Design and develop enterprise-grade backend services using Java.
• Build APIs and microservices supporting digital asset products.
• Develop scalable and resilient systems aligned with banking standards.
• Ensure high availability, security, performance, and maintainability.

Blockchain Development

• Implement blockchain-related business logic and workflows.
• Develop components supporting:
• Smart contract interactions
• Minting and burning processes
• Asset transfer flows
• Wallet management capabilities
• Integrate external blockchain networks into client digital asset ecosystem.

Platform Integration

• Build integrations with digital asset custody and wallet providers.
• Develop connectivity with blockchain infrastructure and third-party services.
• Collaborate on SaaS blockchain platform implementation initiatives.

Security & Reliability

• Follow secure coding and software engineering best practices.
• Participate in architecture reviews and technical design discussions.
• Contribute to operational readiness and production support activities.
• Support compliance, audit, and security requirements.

Collaboration

• Work within cross-functional agile teams.
• Partner with Architects, DevOps Engineers, Security Specialists, Product Owners, and Blockchain Operations professionals.
• Support technical mentoring and knowledge sharing across engineering teams.