Senior Performance Tester

London

Job Description About Scrumconnect Consulting

Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter.

Role Overview

We are looking for a Senior Performance Tester with Active SC to deliver hands-on load and performance testing across large-scale digital services and Back End applications, with experience of working with cloud-based distributed services.

This is a technical, delivery-focused role operating in structured and governed environments where performance, resilience, and scalability are critical to service success.

Key Responsibilities

  • Design and execute load, stress, volume, soak, and scalability tests

  • Analyse performance results, logs, and system metrics to identify bottlenecks

  • Gather and Validate performance NFRs, volumetrics, and capacity assumptions

  • Prepare and maintain performance test scripts and execution runbooks

  • Execute tests in cloud-hosted (AWS) non-production environments

  • Raise performance defects with clear technical evidence

  • Support CI/CD integration for performance testing where required

  • Contribute to test reports, defect triage, and test completion evidence

  • Work closely with developers, architects, platform, and operations teams

Essential Skills & Experience

  • Strong experience in performance testing of enterprise systems

  • Hands-on delivery using tools such as JMeter, Gatling, LoadRunner, k6 (or equivalent)

  • Solid understanding of:

    • APIs, databases, messaging, caching

    • Backend and distributed system performance characteristics

  • Experience analysing logs and monitoring data

  • Familiarity with Agile and hybrid delivery models

  • Experience working in regulated or high-assurance environments

Desirable

  • Experience with APM tools (eg Dynatrace, AppDynamics, Elastic Search with Kibana/Grafana across digital services)

  • Public-sector or large programme delivery experience

  • Familiarity with GDS

Scope & Accountability

  • Responsible for hands-on performance test design and execution

  • Owns quality and accuracy of assigned test artefacts and results

  • Contributes analysis and recommendations but does not hold final assurance authority

  • Works under the direction of a Lead Performance Tester or Test Manager

  • Accountable for timely delivery of agreed performance testing activities

Our Commitment to Diversity & Inclusion

At Scrumconnect Consulting, we believe that diversity drives innovation. We are committed to creating an inclusive environment where everyone is respected, valued, and supported. We actively encourage applications from women, people with disabilities, individuals from under-represented communities, and those seeking flexible working arrangements.

As a Disability Confident Level 1 employer, we provide reasonable adjustments throughout the recruitment process and employment to ensure equal opportunity for all.

Posted 2026-02-27

Recommended Jobs

Year 4 Teacher - Vauxhall

Marchant Recruitment
London

We are seeking a motivated, enthusiastic, and committed Year 4 Teacher to join a welcoming and forward-thinking primary school in Vauxhall, starting as soon as possible. This is an excellent opportun…

View Details
Posted 2026-01-28

Maths Teacher - Independent School - Sutton

Marchant Recruitment
Sutton, Greater London

Maths Teacher – Independent School – Sutton An excellent Independent School in Sutton is looking to appoint a Maths Teacher to teach across KS3–KS5. • Maths Teacher • Independent School • S…

View Details
Posted 2026-02-27

RVN - South London | Flexible Hours + No OOH

Global Veterinary Careers
South London

Registered Veterinary Nurse – South London Join a long-standing small animal practice in lively South London – a vibrant area known for its culture, community, and great local food scene. This wel…

View Details
Posted 2026-03-15

User Experience Designer (SC Cleared) - Consultant / Senior Consultant - Digital Excellence - London

Capgemini
London

User Experience Designer (SC Cleared) - Consultant - Digital Factory - LondonReference Code: 189453-en_GBContract Type: PermanentProfessional Communities: Strategy & Transformation At Capgemini Inve…

View Details
Posted 2025-11-21

KS1 Teacher - Independent School - Bromley - January 2026...

Marchant Recruitment
Bromley, Greater London

This leading Independent School in Bromley has built a reputation for nurturing bright, curious learners within a structured yet creative environment. The school is now seeking a passionate KS1 Te…

View Details
Posted 2025-10-07

School Relationship Lead (East Midlands / South Yorkshire)

Axiom Maths
London

School Relationship Lead Contract: This is a full time role Application closing date: 17th April 2026 First round phone interviews: Ongoing Interviews: 28th April 2026 Salary: £39,938…

View Details
Posted 2026-03-19

Key Account Graduate Trainee

Kering Eyewear
London

The Key Account Graduate Trainee at Kering Eyewear in London will support the Key Account Manager in managing and developing business with top accounts. Responsibilities include analyzing customer rep…

View Details
Posted 2026-02-06

HR Officer - Independent School in Westminster

Marchant Recruitment
London

We are currently seeking a highly organised, professional and proactive HR Officer to join a prestigious Independent School in Westminster. This is a full-time, permanent position starting January 20…

View Details
Posted 2025-11-21

Mandate Monitoring Analyst

Royal London Group
London

Job Title: Mandate Monitoring Analyst Contract Type: Permanent  Location: London Working style: Hybrid 50% home/office based   We have a great opportunity to join us in our Operations tea…

View Details
Posted 2026-03-09

EYFS Teaching Assistant - Supporting Young Learners in...

Marchant Recruitment
London

Shepherd’s Bush, West London Position: EYFS Teaching Assistant Location: Shepherd’s Bush, West London Contract Type: Full-Time, Permanent Working Hours: Monday – Friday, 8:30am – 3:…

View Details
Posted 2026-01-24