Senior Java Software Engineer

Java Developer

Dublin / Hybrid / Daily Rate Contract

About the Company

Our client are a leading international financial services organisation based in South Dublin.

About the Position

We are seeking an experienced Senior Java Developer to join a high-performing engineering team delivering complex, enterprise-scale solutions. This role focuses on building robust, secure, and scalable applications while ensuring best practices in design, testing, and delivery.

You will play a key role across the full development lifecycle, contributing to architecture decisions, guiding technical delivery, and driving engineering excellence.

Key Responsibilities

• Collaborate with stakeholders to refine user stories and define technical requirements
• Contribute to effort estimation and planning across the delivery lifecycle
• Develop proof of concepts (PoCs) and technical spikes to validate solutions and mitigate risk
• Design, develop, and unit test high-quality Java-based applications aligned with acceptance criteria
• Build solutions leveraging multiple architectural layers (data, application, business)
• Troubleshoot and resolve complex technical challenges within the team
• Design and maintain scalable application components, APIs, and integration points
• Develop and maintain automated test suites (integration, regression, performance)
• Implement and enhance CI/CD pipelines to support efficient delivery
• Automate manual deployment and release processes
• Ensure all solutions meet security, compliance, and architectural standards

The Person

Required Skills & Experience

• 5+ years’ experience in Java development within large-scale enterprise environments
• Strong expertise in Java (JDK 8+) and Spring Framework
• Proven experience designing and consuming REST and SOAP web services
• Proficiency with development tools such as Git, Maven, Jenkins, JIRA
• Experience deploying and managing applications in Linux-based environments
• Strong understanding of application security principles (authentication, authorization, session management)
• Familiarity with security protocols such as OAuth, OIDC, and FIDO
• Good understanding of system architecture, including load balancing and TLS
• Exposure to cryptography and PKI concepts
• Ability to interpret technical documentation and evaluate new technologies through PoCs
• Strong problem-solving skills with the ability to work independently
• Excellent communication skills (written and verbal)

Desirable Skills

• Experience working with LDAP
• Exposure to highly regulated environments (e.g., financial services)

Key Competencies

• Strong software engineering fundamentals and design pattern knowledge
• Focus on quality, scalability, and maintainability
• Collaborative mindset with the ability to mentor and support team members
• Proactive approach to innovation and continuous improvement

Remuneration Package

A strong rate is on offer.

Contact

Please contact Derek Smyth on 01 5927861 or email or simply click the apply button.

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