Performance Engineer

Posted 19 August 2025
Salary Market related
LocationWaterford
Discipline Software EngineeringSystems & Infrastructure
Reference9634

Job description

Stelfox is supporting one of our financial services clients in recruiting a Performance engineer to join a local performance engineering team in Ireland, that ensure all their software and IT applications are performant, reliable and scalable across the organisation.

As a performance engineer, you will be responsible for:

  • Planning, defining & execution of performance testing strategies and solutions.
  • Design & implement performance testing scripts and tools.
  • Identifying and troubleshooting application performance issues, providing resolution recommendations to development teams.
  • Participate in validation of software releases and hardware upgrades.
  • Communicate with Application Development team on application performance issues.
  • Be part of shift left performance testing in the CI/CD pipeline delivery
  • Work with DevOps team to identify and verify tuning enhancements for applications
  • Assist in triage of production performance issues in a fast and efficient manner

We are looking for an individual who can take on the responsibility of performance testing engagements and troubleshoot performance issues from the outset.

You will need experience with the following:

  • 8-10+ years of experience in Performance Engineering or equivalent role.
  • LoadRunner, NeoLoad, JMeter, Selenium or similar test automation tools
  • Application Performance Management tool experience, such as: Broadcom DXI O2, Dynatrace, AppDynamics, New Relic
  • Experience in analysis of production data and modelling of realistic test scenarios
  • Ability to build custom tooling to streamline work processes
  • Analysis of and identification of performance issues in Java applications, Containerized and serverless environments
  • Knowledge of Cloud Computing, specifically AWS
  • Experience in troubleshooting network performance issues
  • Trend analysis of Performance testing results
  • An understanding of security principles and implementing these in performance testing
  • Experience with CI/DI tools such as CDD and Jenkins, specifically with integrating performance testing into pipelines.

For further insights and information regarding this opportunity, feel free to apply!

Please note, applicants will need to be residing in the Republic of Ireland and hold a valid work visa to be considered for this job position

Please note:

We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions.

Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: https://www.stelfox.com/privacy-policy-gdpr/

Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent.

We look forward to working with you.