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Temporary/Casual
Operations & Project Management

Performance Test Engineer

SandersonLondon🇬🇧United KingdomPosted 23 Jul 2026

Why This Role Stands Out

If you're a skilled Performance Test Engineer seeking a challenging hybrid role with a competitive daily rate, this opportunity offers significant impact on a modern web platform. You'll thrive by defining testing strategies, identifying bottlenecks, and collaborating with cross-functional teams to enhance scalability and performance. Apply now to leverage your expertise in a dynamic, project-driven environment.

Quick Overview

Work Type
Hybrid
Schedule
Temporary/Casual
Level
Mid Senior

Job Description

Performance Test Engineer - Outside IR35 - 6 month initial contract - London/hybrid - up to £525 per day

We're looking for an experienced Performance Test Engineer to lead and deliver end-to-end performance testing for a modern web platform built on a microservices architecture.

Key responsibilities:

  • Define and implement the performance testing strategy.
  • Design and execute load, stress, endurance, and capacity tests.
  • Develop and maintain test scripts using JMeter or similar tools.
  • Identify and analyse performance bottlenecks across applications and services.
  • Work closely with Development, QA, and DevOps teams to resolve issues and improve scalability.
  • Produce clear performance reports and recommendations for stakeholders.

Required experience:

  • Proven performance testing experience in web-based environments.
  • Strong knowledge of performance testing frameworks and methodologies.
  • Experience with microservices and API-driven applications.
  • Hands-on expertise with JMeter, LoadRunner, Gatling, NeoLoad, or k6.
  • Strong analytical, troubleshooting, and stakeholder communication skills.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

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