Job Description

Performance Test Engineering Consultant - Join Ten10's Expert Consultancy Team

Location:

Hybrid (London office + client site travel as required)

Employment Type:

Fixed Term Contract

Start Date:

February 2026

The Opportunity

Are you an experienced SDET with

Performance Test experience

looking to take the next step in your career within a dynamic and growing consultancy? At

Ten10

, we are looking for talented SDETs with

Performance Test Engineering experience

to join our highly skilled consultancy team. This is an exciting opportunity to work on diverse and challenging client projects, ensuring the delivery of high-performing applications and systems.

About Ten10

Ten10 is the UK's leading independent Quality Engineering & Software Testing consultancy. We work with a range of clients across multiple sectors, providing innovative solutions to help them deliver better software, faster. Our consultants are at the heart of what we do, and we invest in their development to ensure they remain at the forefront of industry trends.

Role Responsibilities

Deliver

performance testing solutions

to a range of clients, ensuring systems are scalable, reliable, and performant. Design, implement, and execute

performance test strategies

, including load, stress, scalability, and endurance testing. Work closely with

technical teams and stakeholders

, translating business requirements into testable solutions.

Contribute to functional test automation

(e.g., using Selenium, Cypress, Playwright) and ensure alignment between functional and non-functional testing efforts.

Adopt a "shift-left" approach

by designing and implementing performance tests at the API, component, and integration levels, not just at the UI/E2E level. Engage directly with clients, providing

expert advice

on performance test best practices. Collaborate with development, DevOps, and infrastructure teams to

identify performance bottlenecks

and optimise system performance. Utilise performance testing tools such as

JMeter, K6, LoadRunner, NeoLoad, or Gatling

. Provide insights and recommendations based on test results to drive

continuous improvements

.

What We're Looking For

SDET with experience as a Performance Tester

, ideally in a consultancy or client-facing environment.

Proficiency in at least one object-oriented programming language

(e.g., Java, Python, C#, or JavaScript/TypeScript) for writing clean, maintainable test code and frameworks. Strong knowledge of

performance testing methodologies, tools, and scripting

. But equally happy with functional test automation Ability to engage with

customers, technical teams, and stakeholders

to deliver meaningful outcomes. Experience in cloud-based and distributed system performance testing.

A true "engineer in test" mindset:

able to build custom tools, write high-quality test code, and participate in technical design and code reviews. Knowledge of

monitoring and diagnostics tools

such as AppDynamics, Dynatrace, Datadog or New Relic. Strong analytical and problem-solving skills, with a keen eye for detail.

Demonstrable experience in building E2E functional automation frameworks

in addition to a primary focus on performance testing.

Apply Now

If you're a skilled SDET with strong

Performance Test experience

looking to make an impact within a leading consultancy, we'd love to hear from you. Apply today to join

Ten10's

expert team!


For more details, please get in touch with our recruitment team.