# Senior Performance EngineerSenior Performance EngineerSalary€Pension, Private Health, Life Insurance, Hybrid, ALs and othersLocationWaterford, Ireland---ContactVy DoanVy.Doan@oliverjames.comSenior Performance EngineerPermanentHybrid: 2 days on site in Waterford**Key Responsibilities*** Plan, define, execute, and analyse performance testing strategies* Design and implement performance testing scripts and tools* Identify and resolve application performance bottlenecks* Integrate performance testing into CI/CD pipelines (Jenkins, CDD)* Collaborate with DevOps and Development teams to tune applications* Support triage of production performance issues* Mentor and guide junior team members**What You’ll Need*** 6+ years’ experience in Performance Engineering (minimum 3 in a senior role)* Strong expertise with LoadRunner (JMeter or NeoLoad a plus)* Hands-on experience with APM tools – Dynatrace, AppDynamics, New Relic, Broadcom DXI, etc.* Strong troubleshooting across Java applications, databases (MSSQL, Oracle, DynamoDB), and JavaScript-based front ends* Familiarity with Linux/UNIX, Windows, and cloud environments* Experience integrating testing into CI/CD pipelines* Solid scripting in Java, JavaScript, Python, or Go**Desirable (Nice to Have)*** Knowledge of Grafana, Prometheus, InfluxDB, or OTEL* Experience in containerised/ serverless environments* Exposure to Agile development practices**The Ideal Candidate*** Analytical, detail-oriented, and proactive in solving performance issues* Strong communicator with mentoring experience* Comfortable working both independently and within distributed teams
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