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Application Test Engineer

Job in Penarth, Vale of Glamorgan, CF64, Wales, UK
Listing for: ELLIOTT MOSS CONSULTING PTE. LTD.
Full Time position
Listed on 2026-01-29
Job specializations:
  • IT/Tech
    Systems Analyst, Systems Engineer, Technical Support
Job Description & How to Apply Below

We are looking for Application Test Engineer to design, execute, and lead performance testing initiatives for enterprise-scale applications. The successful candidate will work closely with architects, developers, and stakeholders to ensure system scalability, reliability, and performance meet business expectations.

Key Responsibilities:
  • Define and implement performance testing strategies, plans, and scripts aligned with project requirements.

  • Collaborate with solution architects, developers, and business stakeholders to identify performance requirements, SLAs, and KPIs.

  • Lead performance, load, stress, and endurance testing activities across applications and platforms.

  • Analyse test results to identify performance bottlenecks, scalability issues, and system constraints
    .

  • Prepare and present detailed performance test reports
    , findings, and optimisation recommendations to technical and business teams.

  • Manage performance testing tools, test environments, test data, and execution schedules
    .

  • Support performance tuning efforts across application, database, and infrastructure layers.

  • Mentor junior testers and coordinate with regional or global QA teams to ensure testing standards and best practices are followed.

Required

Skills & Experience:
  • Proven hands-on experience in performance testing and performance engineering
    .

  • Strong expertise in performance testing tools such as Load Runner, JMeter, Neo Load, or Gatling
    .

  • Proficiency in scripting and test development using languages such as Java, Python, or Java Script .

  • Solid understanding ofb>system architecture, application performance tuning, monitoring concepts.

  • Experience working with performance metrics, monitoring tools, and log analysis.

  • Excellent analytical, communication, and stakeholder management skills.

  • Ability to work independently and collaboratively in a fast-paced project environment.

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