Blockchain Developer

HCL Technologies B.V. Netherland; Amsterdam; On-site; EUR 90,000 - 130,000; Full time

Job summary

HCL Technologies is seeking a seasoned backend software engineer in Amsterdam to design and develop enterprise-grade backend services and microservices for digital asset products. You will work on scalable, secure solutions aligned with banking standards and collaborate in cross-functional teams.

The role requires 5+ years in software engineering or architecture, strong English communication, and experience with Agile practices. Hybrid work and cutting-edge blockchain platform work are possible.

Qualifications

• 5+ years of experience in software engineering, solution design, or architecture roles.
• Strong stakeholder management across business and technology domains.
• Fluent English communication skills (C1 level or above).
• Experience working in Agile organizations.

Responsibilities

• 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.

Skills

5+ years experience

Kotlin

Spring Boot

REST APIs

Event-driven architectures

Kafka

RabbitMQ

SQL

NoSQL

Docker

Git

Distributed systems

System integration

Scalability patterns

Stakeholder management

Education

Bachelor's degree in Computer Engineering

Bachelor's degree in Software Engineering

Tools

Docker

Job description

• 5+ years of experience in software engineering, solution design, or architecture roles
• Strong stakeholder management experience across business and technology domains
• Strong analytical and problem-solving capabilities
• Experience working in Agile organizations
• Bachelor's degree in Computer Engineering, Software Engineering, or a related discipline
• Fluent English communication skills (C1 level or above)

Technical Skills

Strong experience in:

• Kotlin
• Spring Boot
• REST APIs

Experience with:

• Event-driven architectures
• Kafka
• RabbitMQ or similar messaging technologies
• SQL and NoSQL databases
• Containerization (Docker)
• Git-based development workflows

Good understanding of:

• Distributed systems
• System integration
• Scalability patterns

Roles and Responsibilities

• 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
• 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.
• 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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