Software Developer - Java

About Zinkworks

Zinkworks partners with leading Telecommunications and Financial Services organizations to modernize legacy systems, migrate mission-critical platforms to the cloud, and engineer AI-driven automation. From OSS transformation to rApp development and network intelligence, our teams simplify complexity and turn it into competitive advantage. Based in Ireland and operating across the EU, UK, and US, Zinkworks combines deep domain expertise with delivery excellence to help clients modernize faster and operate smarter.

Overview

We are seeking experienced Software Engineers to join our dynamic team at Zinkworks. You will be working with one of our leading financial services clients to deliver scalable, high-performance solutions. You will work on the design, development, and maintenance of scalable backend services, collaborating closely with frontend engineers, DevOps, and product teams. This role is ideal for someone who enjoys solving problems, writing clean and maintainable code, and working in a collaborative team and delivery-focused environment.

Key Responsibilities

• Design, develop, and maintain robust and secure Java-based applications.

• Work with Spring and Spring Batch frameworks to deliver high-performance services.

• Ensure scalability, performance, and reliability across distributed systems.

• Participate in code reviews, provide technical guidance, and mentor junior developers.

• Support continuous integration and deployment pipelines to ensure efficient delivery.

• Experience transforming legacy functionalities to support microservice modernization.

• Troubleshoot production issues and contribute to root cause analysis.

• Work in an Agile/Scrum environment, contributing to all sprint events and artifacts with strong JIRA practice.

• Embrace analysis and testing activities to find defects early.

• Work closely with product teams to acquire business domain knowledge to support development & QA activities

• Collaborate closely with cross-functional teams including architects, testers, and DevOps engineers.

Essential Skills and Experience

• Core Technologies: Strong hands-on expertise with Java (JDK 8+) with Spring Integration and Spring Kafka. Also, Spring Batch for large-scale data processing

• Experience with RESTful APIs and microservices architecture.

• Familiarity with CI/CD pipelines and DevOps best practices.

• Architectures: Solid microservices architecture experience

• Databases: Solid SQL, Oracle database design and management Experience

• Messaging & Streaming: Proficiency with ActiveMQ and Kafka.

• Cloud-Native: Exposure to Docker, Kubernetes, Helm, and OpenShift.

• CI/CD & Build Tools: Skilled in Jenkins, Gradle, and Maven.

• Caching & SCM: Experience with Redis, Git, and GitLab.

• Quality Assurance: Strong awareness of testing methodologies and software quality practices.

Personal Attributes

• Must have a proactive mindset to identify blockers early and take action or escalate resolutions within reason.

• Strong communication and interpersonal skills for effective stakeholder & team engagement.

• Organised and able to manage multiple priorities in fast-paced environments.

• Must fully embrace Teamwork, for example, by knowing when to reach out for support, and when to give support, so that team deliverables are achieved, which maintains a vibrant Team ethos.

• Strong Passion for learning and adopting new technologies and methodologies.

Desirable Experience (Nice to Haves)

• Prior experience leading teams in the Financial Services domain (advantageous but not essential).

• AI experience which streamline test activities, resulting in improved product quality and delivery.

• Cloud platforms (AWS, GCP, Azure)

• CI/CD tooling beyond UDeploy (e.g., Jenkins, GitLab)

• Docker-based containerization

• Performance or load testing tools (e.g., JMeter, Gatling)

Inclusion & Diversity at Zinkworks

At Zinkworks, we are deeply committed to fostering a culture of diversity, inclusion, and belonging. We believe that our strength lies in the unique backgrounds, perspectives, and experiences of our team members. By embracing an inclusive environment, we empower innovation and collaboration across all levels of our organisation. Based in Ireland, we are proud to support and engage with our local communities through meaningful initiatives that promote equity and opportunity. Our commitment extends beyond the workplace, as we actively contribute to creating a more inclusive and connected society for all.