1 of 1 Performance Engineer Jobs in Northern Ireland

Principal Performance Tester - Shape & Lead Performance Engineering We're recruiting for a Principal Performance Tester to help establish and grow a performance testing capability at a fast-scaling tech business in the payments space. You'll drive strategy, design environments, and ensure systems meet demanding performance and scalability needs. The role: Define and deliver performance testing strategy (load, stress, soak). Design, build, and optimise performance test environments. Lead performance testing across APIs, web apps, and databases. Provide insight on risks, bottlenecks, and tuning opportunities. Guide and mentor teams, driving best practices and a shift-left approach. What we're looking for: 8-10+ years' experience in performance testing enterprise … systems. Significant leadership in quality/performance engineering. Hands-on expertise with tools (JMeter, BlazeMeter, K6, Kibana, CloudFlare). Experience with modern DevOps and infrastructure-as-code tooling. Skilled in replica environment design, NFR elicitation, and performance tuning. Strong communicator and technical leader. What next? Get in touch with Jordan Burns at VANRATH to learn more or apply More ❯