Senior Performance Tester: Scale Cloud Apps & CI/CD

scrumconnect ltd; England; On-site; GBP 60,000 - 90,000; Full time

Job summary

Scrumconnect Consulting in the United Kingdom is seeking a Senior Performance Tester to lead hands-on load and performance testing across large-scale digital services and back-end applications, with experience of cloud-based distributed services.

In this delivery-focused role, you will design tests, analyse results, and collaborate with developers, architects and operations to ensure performance, resilience and scalability in regulated environments.

Qualifications

• Strong experience in performance testing of enterprise systems.
• Hands-on delivery using tools such as JMeter, Gatling, LoadRunner, k6.
• Solid understanding of APIs, HTTP, databases, messaging, caching.
• Experience analysing logs and monitoring data.
• Familiarity with Agile and hybrid delivery models.
• Experience working in regulated or high-assurance environments.

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.

Skills

Performance testing

APIs

HTTP

Databases

Messaging

Caching

Backend systems

Distributed systems

Logs analysis

Agile

Hybrid delivery

Regulated environments

Tools

JMeter

Gatling

LoadRunner

k6

Job description

Scrumconnect Consulting in the United Kingdom is seeking a Senior Performance Tester to lead hands-on load and performance testing across large-scale digital services and back-end applications, with experience of cloud-based distributed services.

In this delivery-focused role, you will design tests, analyse results, and collaborate with developers, architects and operations to ensure performance, resilience and scalability in regulated environments.