Software QA Engineer

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.

The Opportunity

We are seeking a highly motivated Software QA Engineer with a passion for quality and automation to join our growing engineering team. You’ll be embedded within an agile delivery squad, working closely with developers, architects, and DevOps engineers to deliver high-performing, scalable microservices and backend APIs.

This is a hands-on technical QA role – perfect for engineers who love building robust automation, diving deep into systems, and ensuring software works flawlessly under real-world conditions.

Key Responsibilities

• Design, develop, and maintain automated test frameworks for microservices, APIs, and data pipelines

• Perform Backend API testing, Database validation, and Integration testing

• Write BDD tests using Cucumber in a Java-based test framework (JUnit, Maven, Gradle)

• Automate tests for Spring Boot and Spring Batch applications deployed to OpenShift / Kubernetes clusters

• Validate SQL queries, stored procedures, and complex data transformations

• Integrate test automation into CI/CD pipelines (UDeploy, Jenkins, etc.)

• Collaborate with developers to define test coverage, quality metrics, and debug issues

• Use Unix/Linux commands for log analysis, deployment, and validation in distributed environments

• Work with container orchestration tools like Kubernetes, OpenShift

• Interact with distributed systems including Kafka, Redis, etc.

Must-Have Skills & Technologies

• 5 years experience in Java development for test automation

• Cucumber, JUnit, Maven or Gradle

• Strong API testing experience (REST, JSON, etc.)

• Experience testing microservices in production-scale systems

• Solid SQL knowledge – writing queries, validating stored procedures

• Spring Boot and Spring Batch familiarity

• Comfortable with Unix/Linux commands for debugging/logging

• OpenShift or Kubernetes cluster experience

• Experience with UDeploy, Redis, and Kafka

Desirable Experience (Nice to Have)

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

• Cloud platforms (AWS, GCP, Azure)

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

• Docker-based containerization

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

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.