Blockchain Developer

Blockchain Developer

Full-Time On-site
HCL Technologies B.V. Netherland
  • Backend engineering β€” Design and ship enterprise-grade Java/Kotlin microservices and APIs that meet bank-grade availability, latency and security standards.
  • Blockchain development β€” Implement on-chain business logic and workflows: smart contract interactions, mint/burn, asset transfers, wallet lifecycle and key management flows.
  • Integration β€” Connect the platform to custody providers, wallet infrastructure, node providers and SaaS blockchain platforms; integrate with core banking, payments and ledger systems.
  • Security & resilience β€” Apply secure coding practices, participate in architecture and threat reviews, and support audit, compliance and production readiness.
  • Collaboration β€” Work in a cross-functional agile squad with architects, DevOps, security, product owners and blockchain operations; mentor engineers and share knowledge.

What you bring

Experience

  • 5+ years in software engineering, solution design or architecture, including production ownership
  • Hands-on experience with blockchain protocols
  • Background in financial services, payments or fintech β€” or a demonstrable grasp of how regulated money movement works
  • Strong stakeholder management across business and technology
  • Bachelor's in Computer Science, Software Engineering or equivalent

Technical

  • Solid: event-driven architecture, Kafka, RabbitMQ, SQL and NoSQL, Docker, Kubernetes, CI/CD, Git workflows
  • Good understanding of distributed systems, API design, system integration and scalability patterns

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.
  • 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.

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HCL Technologies B.V. Netherland

Contact Details:

HCL Technologies B.V. Netherland Recruitment Team