Job Title: Senior Performance Engineer Location: Waterford, Ireland Job Type: Full-Time About the Opportunity Our client, a global leader in financial services, is seeking an experienced Senior Performance Engineer to join their Performance Engineering team in Waterford. This is a chance to work on mission-critical, large-scale applications, ensuring they remain reliable, scalable, and high-performing in a dynamic environment. Key Responsibilities Plan, design, execute, and analyse performance testing strategies for enterprise applications. Develop and maintain performance testing scripts and tools. Identify and resolve application performance bottlenecks, collaborating closely with development teams. Integrate performance testing seamlessly into CI/CD pipelines. Support the triage of production performance issues. Mentor junior team members and review their deliverables. Key Requirements Bachelor's degree in Computer Science or related field. 10+ years of industry experience in performance engineering, including 3+ years in a senior role. Hands-on experience with LoadRunner, NeoLoad, JMeter, Selenium, or similar tools. Strong knowledge of APM tools such as Dynatrace, AppDynamics, or New Relic. Proven expertise in performance analysis for: Java applications Containerised/serverless environments Databases (MSSQL, Oracle, DynamoDB) JavaScript-based front ends Strong understanding of Linux/Unix and Windows systems. Experience with AWS and integrating performance testing into CI/CD pipelines. Proficiency in Java, JavaScript, Python, or Go, SQL, and version control systems such as Git or Bitbucket. For more info, contact Seamus at Reperio or apply through the link Reperio Human Capital acts as an Employment Agency and an Employment Business. Skills: Performance Tester Jmeter Loadrunner