Performance Test Engineer

Quality Ai; Greater London, Leeds; Hybrid; GBP 55,000 - 85,000; Full time

Benefits offered by this job

Hybrid work model

Career development opportunities

Large-scale digital transformation

Job summary

QualityAI is seeking a Performance Test Engineer to drive performance assurance for cloud, hybrid, and on-premise environments in London or Leeds. You will design tests, execute load and stress scenarios, and work with dev and architecture teams to ensure scalable and resilient applications.

The role emphasizes hands-on testing with JMeter, Gatling, and Docker/Kubernetes, plus scripting in Python or JavaScript, and strong stakeholder collaboration.

Qualifications

• Proven experience with performance testing tools (JMeter, LoadRunner, Gatling, Eggplant Performance).
• Experience testing cloud-based applications (Azure, AWS, GCP).
• Strong understanding of Performance Testing methodologies and NFRs.
• Hands-on experience with Docker and Kubernetes.
• Strong scripting skills in Python or JavaScript.
• Excellent analytical and stakeholder management skills.

Responsibilities

• Design and execute performance testing strategies and test plans.
• Perform load, stress, endurance, and volume testing.
• Analyze results and provide performance improvements.
• Monitor applications using Grafana, Splunk, New Relic, and Dynatrace.
• Integrate performance testing into CI/CD pipelines.
• Collaborate with developers and architects to resolve issues.

Skills

Performance testing

CI/CD integration

Test planning

Problem solving

Stakeholder management

Scripting (Python/JS)

Tools

JMeter

LoadRunner

Gatling

Eggplant Performance

Docker

Kubernetes

Python

JavaScript

Job description

Date: 24 Sept 2026 Company: QualityAI Country/Region: GB

Performance Test Engineer

Location: London or Leeds, UK (Hybrid)
Type: Permanent
Salary Band : Grade B2

Role Overview

We are looking for a Performance Test Engineer to drive performance assurance across cloud, hybrid, and on-premise environments. You will design and execute performance, load, stress, and volume tests, identify bottlenecks, and work closely with development and architecture teams to ensure scalable, resilient, and high-performing applications.

Key Responsibilities

• Design and execute performance testing strategies and test plans.
• Perform load, stress, endurance, and volume testing.
• Analyze test results and provide performance improvement recommendations.
• Monitor applications using Grafana, Splunk, New Relic, and Dynatrace.
• Integrate performance testing into CI/CD pipelines.
• Collaborate with developers and architects to resolve performance issues.

Required Skills & Experience

• Proven experience with performance testing tools such as JMeter, LoadRunner, Gatling, or Eggplant Performance.
• Experience testing cloud-based applications (Azure, AWS, or GCP).
• Strong understanding of Performance Testing methodologies and NFRs.
• Hands-on experience with Docker and Kubernetes.
• Strong scripting skills in Python or JavaScript.
• Excellent analytical, problem-solving, and stakeholder management skills.

Desirable Skills

• Kafka, IBM MQ, ELK Stack, Tableau.
• GitHub Actions, Jenkins, and Git.
• Experience embedding performance testing within CI/CD pipelines.
• Knowledge of security and compliance considerations in testing.

Why Join? Flexible and hybrid working environment.

• Opportunity to work on large-scale digital transformation initiatives.
• Collaborative culture with strong career development opportunities.
• Available from both London and Leeds locations.