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Performance Test Engineer

📍 Location
belfast
⏰ Job Type
Full-time
📅 Posted
May 22, 2026

About the Role

Role Overview

As a Performance Test Engineer (Senior Associate) at Kainos, you’ll work within a multi‑skilled agile team, developing and executing non‑functional tests while learning about new technologies and approaches.

Responsibilities

• Develop and run performance, load, and stress tests for web and API‑based systems.
• Analyze performance bottlenecks across application, database, and infrastructure layers.
• Design and maintain performance testing frameworks and benchmarks.
• Integrate performance testing into CI/CD pipelines (Jenkins, GitLab CI, TeamCity).
• Generate and communicate performance reports and KPIs to technical and non‑technical audiences.

Minimum Requirements

  • Strong proficiency with performance testing tools (e.g., JMeter, Gatling)
  • Solid working knowledge of Java (or Scala) for scripting and custom logic
  • Deep understanding of HTTP, REST, JSON, and API performance testing pr...

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