Full-Stack Developer, Senior - Cork, Ireland

Company:

QT Technologies Ireland Limited

Job Area:

Information Technology Group, Information Technology Group > IT Software Developer

General Summary:

e are seeking a highly skilled Senior Software Developer to design, develop, and support enterprise-grade applications, integrations, and AI-enabled solutions. This role requires strong hands-on expertise across Java/J2EE, modern web frameworks, backend services, databases, workflow orchestration, and Generative AI technologies.

The Senior Developer is expected to operate with a high level of autonomy on moderately to highly complex problems, contribute to technical design, and collaborate closely with architects, Staff engineers, and business partners. This role emphasizes execution excellence, technical depth, and collaborative problem-solving, while serving as a strong contributor and mentor within the development team.

Minimum Qualifications:

• 3+ years of IT-relevant work experience with a Bachelor's degree in a technical field (e.g., Computer Engineering, Computer Science, Information Systems).

OR

5+ years of IT-relevant work experience without a Bachelor’s degree.

• 3+ years of any combination of academic or work experience with Full-stack Application Development (e.g., Java, Python, JavaScript, etc.)

• 1+ year of any combination of academic or work experience with Data Structures, algorithms, and data stores.

*Completed advanced degrees in a relevant field may be substituted for up to two years (Master’s = one year, Doctorate = two years) of the general IT-related work experience.

This role requires full-time onsite work in Cork, Ireland (5 days per week).

Key Responsibilities

Design, develop, test, and maintain enterprise web applications and backend services using Java/J2EE and modern frameworks.

Build and enhance full-stack solutions, including backend APIs, integration layers, and user-facing UI components.

Develop and support workflow-driven applications and business process automation solutions.

Contribute to the design and implementation of AI-powered and GenAI-assisted application features to solve business problems.

Design and implement RESTful services and system integrations across enterprise platforms.

Participate in technical design discussions, code reviews, architecture reviews, and sprint planning.

Troubleshoot and resolve complex development and production issues, ensuring long-term, scalable fixes.

Promote and follow best practices for code quality, security, scalability, performance, and maintainability.

Mentor junior developers through code reviews, technical guidance, and knowledge sharing.

Continuously enhance technical skills by staying current with emerging technologies, frameworks, and industry best practices.

Required Technical Skills

Backend & Enterprise Technologies

Strong hands-on experience in Java, J2EE, and enterprise application development.

Experience with Spring MVC / Spring-based frameworks.

Working experience with Node.js and Express.js or similar backend frameworks.

Experience with Grails framework is a plus.

Frontend & Web Technologies

Hands-on experience with Angular or similar modern TypeScript-based frontend frameworks.

Solid understanding of web application architecture, client-server interactions, and REST principles.

Databases & Data Layer

Strong experience with SQL and relational databases.

Workflow & Automation

Experience developing applications that leverage workflow engines or process automation tools.

Exposure to enterprise HR, Payroll, or Finance systems is a plus.

CI/CD • DevOps • Cloud-Native

Experience working with CI/CD pipelines (e.g., Jenkins) and automated quality checks (code quality, security scanning).

Working knowledge of Kubernetes environments (preferably AWS EKS) for application deployment and operations.

Preferred skills

Exposure to building or integrating AI-driven or GenAI-assisted features within enterprise applications.

Familiarity with LLMs, prompt engineering fundamentals, and AI integration patterns.

Behavioral & Professional Expectations (Senior Level)

Analyzes and solves moderately complex to complex technical problems with minimal supervision.

Communicates technical concepts and delivery status clearly and effectively to technical and non-technical stakeholders.

Collaborates effectively across cross-functional teams, demonstrating ownership and accountability.

Supports team development by mentoring junior engineers and modeling best engineering practices.

Demonstrates adaptability in a dynamic environment with changing priorities and requirements.

Preferred Qualifications

Experience working in large enterprise IT environments.

Exposure to integration platforms, middleware, and automation frameworks.

Experience supporting business-critical or mission-critical production systems.

Education & Experience

Bachelor’s or Master’s degree in Computer Science, Engineering, Information Systems, or a related field.

5–7+ years of progressive software development experience, with demonstrated enterprise application delivery experience.

Where you will be working

Cork has a proud reputation as Ireland's second largest economic engine and is now one of the Top 20 location choices in Europe with 39,000 people being employed by over 170 overseas companies.

There's a growing diversity in the region with people from many nationalities relocating to Cork, relishing the opportunity to work and live in a location that offers an excellent quality of life.

A gateway to Europe, Cork airport provides access to almost 50 international destinations including transatlantic air routes.

Equal Opportunities

We are an Equal Opportunity employer; all qualified applicants will receive consideration for employment without regard to race, colour, religion, sexual orientation, gender identity, national origin, disability, veteran status, or any protected classification.

What's on Offer

Apart from working in an open, relaxed and collaborative space, you will enjoy:

Salary, stock and performance related bonus

Maternity/Paternity Leave

Employee stock purchase scheme

Matching pension scheme

Education Assistance

Relocation and immigration support (if needed)

Life, Medical, Income and Travel Insurance

Subsidised memberships for physical and mental well-being

Bicycle purchase scheme

Employee run clubs, including, running, football, chess, badminton + many more

*References to a particular number of years experience are for indicative purposes only. Applications from candidates with equivalent experience will be considered, provided that the candidate can demonstrate an ability to fulfill the principal duties of the role and possesses the required competencies.

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