Senior QA Engineer - Java​/Microservices

Senior QA Engineer - Java / Microservices

• QA Engineer role within a modern Java microservices, event-driven platform
• Strong focus on backend, API and automation testing
• Scaleup environment with real-world, high-impact products
• Hybrid Working (Belfast)
• Salary up to £65k

Our client is an advanced technology scaleup building cutting-edge hardware and cloud software solutions for customers operating in high trust, high responsibility environments.

As a QA Engineer, you will play a key role in ensuring the quality, reliability and performance of a complex, distributed platform. You will work closely with backend engineers, product managers and other stakeholders to embed quality throughout the development lifecycle as the platform continues to scale and modernise.

• Ensuring quality across Java-based microservices within an event-driven architecture
• Create and execute test plans, test cases and exploratory testing sessions
• Design, build and maintain automated tests for APIs and backend services
• Validate event-driven workflows and data integrity across distributed systems
• Work alongside developers during story refinement and technical discussions
• Identify gaps in test coverage and propose practical improvements

We are looking for a QA Engineer who is curious, detail-oriented and collaborative, with experience testing modern backend systems.

In particular, you will have:

• Experience testing backend systems, APIs and microservices
• Hands‑on experience with test automation tools and frameworks
• An understanding of event‑driven or distributed architectures

• Experience testing Java-based systems
• Exposure to cloud platforms and CI/CD pipelines
• Experience working in agile, cross‑functional teams
• Familiarity with performance, reliability or security testing

• Salary up to £65k
• Flexible hybrid working model (Belfast office)
• Private pension scheme
• Private healthcare (including Dental / Optical)
• High spec equipment and modern engineering environment

For more information, connect with Neill Ferguson on Linked In or submit your CV via the link below.