Senior Performance Tester

Arrows; City Of London; On-site; GBP 60,000 - 80,000; Part time

Job summary

A leading tech company in London is seeking an experienced Senior Performance Tester to join a high-performing team working on a global streaming platform. You will develop a performance testing framework, analyze trends, and mentor junior testers. The ideal candidate has over 5 years of experience in performance testing with a strong knowledge of Gatling, CI/CD tools, and monitoring technologies. This role offers a chance to work with cutting-edge tech and make an impact on a global platform.

Qualifications

• 5+ years' experience in non-functional/performance testing for large-scale applications.
• Hands-on experience with Gatling and open-source performance tools.
• Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven).
• Skilled in monitoring/logging with Prometheus and Grafana.
• Proficiency in scripting languages (Scala, Python, Shell).

Responsibilities

• Develop and maintain a Gatling-based performance testing framework integrated into CI/CD pipelines.
• Define non-functional requirements and performance acceptance criteria.
• Analyze performance test results and production metrics to identify trends, risks, and improvements.
• Mentor junior testers and drive continuous improvement in performance testing practices.

Skills

Gatling

Performance Testing

CI/CD Tools (Jenkins, GitHub Actions)

Docker

Kubernetes

Scripting Languages (Scala, Python, Shell)

Monitoring/Logging (Prometheus, Grafana)

Job description

We're looking for an experienced Senior Performance Tester to join a high-performing team working on a global streaming platform that powers millions of users across video-on-demand and live services.

What you'll do:

• Develop and maintain a Gatling-based performance testing framework integrated into CI/CD pipelines.
• Define non-functional requirements and performance acceptance criteria.
• Analyze performance test results and production metrics to identify trends, risks, and improvements.
• Work with modern technologies including Docker, Kubernetes, Kafka, and NoSQL databases.
• Mentor junior testers and drive continuous improvement in performance testing practices.

What we're looking for:

• 5+ years' experience in non-functional/performance testing for large-scale applications.
• Hands-on experience with Gatling and open-source performance tools.
• Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven).
• Skilled in monitoring/logging with Prometheus and Grafana.
• Proficiency in scripting languages (Scala, Python, Shell).

This role offers the chance to make an impact on a global platform, work with cutting-edge tech, and collaborate with a talented cross-functional team.

Job Details

• Seniority level: Mid-Senior level
• Employment type: Contract
• Job function: Technology, Information and Media