Performance Tester

Solirius Reply
London

About Us:

Solirius Reply delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever-changing technical landscape. We partner closely with our clients, embedding our consultants into their businesses in order to provide a bespoke service, allowing us to truly understand our clients' needs.

It is this close collaboration with our clients that has enabled us to grow rapidly in recent years and will drive our ambitious future growth plans. We currently have over 250 consultants working with a variety of key clients from both the public and private sectors such as the Ministry of Justice, Department for Education, FCDOS, UEFA, International Olympic Committee and Mercedes Benz; with plans to increase our client base further in the near future.

We operate as a flat organisation and believe in trusting and supporting our team to operate independently. We pride ourselves on being specialists at what we do, making the most of our consultants' expertise in their fields in order to provide a best-in-class service to our clients. All our consultants have the opportunity to work on a range of different projects, providing a broad range of knowledge on which to develop their careers and progress in the direction they choose.

About You:

You are a motivated and adaptable professional with a strong analytical mindset and a passion for using technology to solve real-world problems. You enjoy working in collaborative, agile teams and take pride in delivering high-quality solutions that make a tangible impact. With strong communication skills and a consultative approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. You understand and align with Solirius Reply Values

The Role:

We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. You will be involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients.

Those not from a performance testing background, or without demonstrable experience in performance testing, will not be considered for this role.

Requirements

Key Responsibilities:

  • Working on a variety of performance testing projects covering API, Front End, and UI based performance testing
  • Gathering performance test requirements through project and client engagement meetings and reviewing NFRs
  • Developing performance test scripts
  • Executing and reporting on performance tests to technical and business stakeholders
  • Highlighting any performance test failures against NFRs
  • Performance testing against Azure infrastructure
  • Carrying out performance test analysis
  • Perform analysis of NFRs to ensure they are clear and testable
  • Ensure any issues or risks are clearly communicated to relevant stakeholders in a timely manner

Key Skills/Experience:

  • Experience of working as a performance tester/engineer on previous roles
  • Working on multiple projects at the same time and able to manage time effectively.
  • Experience of developing, executing and maintaining performance test scripts, ideally using Gatling (preferred), Jmeter or LoadRunner.
  • Good interpersonal skills and experience of working with client teams or third parties.
  • Experience in others Areas of NFT such as Accessibility, Compatibility, Usability, Disaster Recovery etc would be beneficial
  • Excellent communication skills, both written and spoken, with an ability to successfully engage with team members and clients

Benefits

What We Offer:

  • Competitive Salary
  • Bonus Scheme
  • Private Healthcare Insurance
  • 25 Days Annual Leave + Bank Holidays
  • Up to 10 days allocated for development training per year
  • Enhanced Parental Leave
  • Paid Fertility Leave (5 Days)
  • Statutory & Contributory Pension
  • EAP with Help@Hand
  • Gym Membership Benefits
  • Flexible Working
  • Annual Away Days/Company Socials

Equality & Diversity:

Solirius Reply is an equal opportunities employer. We are committed to creating a work environment that supports, celebrates, encourages, and respects all individuals and in which all processes are based on merit, competence and business needs. We do not discriminate on the basis of race, religion, gender, sexuality, age, disability, ethnicity, marital status or any other protected characteristics.

Should you require further assistance or require any reasonable adjustments be put in place to better support your application process, please do not hesitate to raise this with us.

Posted 2026-03-24

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