Java Developer

About

You’ll be responsible for designing and delivering backend systems that integrate enterprise Java platforms with blockchain and distributed ledger technologies.

Key Responsibilities

• Design and build scalable backend services using Java and microservices architecture.
• Develop and integrate blockchain-enabled components, including distributed ledger interactions and transaction workflows.
• Build secure RESTful APIs for system integrations.
• Ensure security, data integrity, and consistency across on-chain and off-chain systems.
• Contribute to system architecture, performance optimization, and reliability in distributed environments.
• Collaborate with cross-functional teams in Agile delivery environments.
• Provide technical guidance, code reviews, and mentorship to engineering team members.

Core Skills

• Strong Java (8+) backend development experience.
• Spring Boot, microservices, and REST API design.
• Understanding of blockchain concepts such as distributed ledgers, consensus, and transaction models.
• Experience integrating backend systems with blockchain platforms.
• Knowledge of secure coding practices, cryptography basics, and application security.
• Experience with relational or NoSQL databases and distributed systems.

Additional Experience (Optional)

• Smart contracts or blockchain frameworks/SDKs.
• Cloud-native development, containers, and orchestration tools.
• CI/CD pipelines, DevOps practices, and automated testing.
• Event-driven architectures or messaging systems.
• Work in high-security or large-scale enterprise platforms.
• Technical leadership or solution design experience.

Employment Type

Permanent Role.

Salary

Dependent on candidate experience.

Benefits

• Annual Bonus Scheme
• Contributory Pension
• Private Medical Insurance
• Life Assurance & Long-Term Disability
• Employee Assistance Programme
• 22 days annual leave + 10 public holidays
• Relocation package
• Continuous Learning & Development
• Access to extensive training & certification resources
• Lunch & Learn sessions
• Additional perks including company discounts, on-site parking, and bike-to-work scheme

Location

Based in Dublin, Ireland. Hybrid (3 days onsite per week).

Visa Sponsorship

Candidates must be eligible to work in Ireland/EU.