Performance Tester in City of London

Job description

Performance Tester

Summary

Location: Reading (UK)

Candidates must be open to frequent visits to client site in Reading, UK

Day Rate: Negotiable (IR35 Determination TBC)

Duration: 6 Months

Availability: ASAP

About the Client

My client is the air transport industry's IT provider, delivering solutions for airlines, airports, aircraft, and governments. Their technology powers more seamless, safe, and sustainable air travel.

They are looking to hire an experienced Performance Tester on a contract basis for an initial 6 months, with a potential to extend further.

About the Role

Working within the Borders business unit, The ideal candidate will have experience in performance testing of UI, APIs, and messaging systems, with strong hands-on expertise in LoadRunner Suite, Azure/Jenkins pipelines, and Postman.

This role will focus on ensuring the performance, scalability, and reliability of our applications.

Key Duties:

• Design and execute performance test plans for UI, APIs, and messaging systems

• Use LoadRunner Suite and other tools to simulate load and analyse performance

• Run performance testing pipelines using Azure DevOps or Jenkins

• Use Postman for API validation as part of performance testing flows

• Identify bottlenecks and diagnose performance issues in complex systems

• Collaborate with developers and architects to optimize application performance

• Test and assess Single Page Applications (SPAs) developed in Angular

• Generate detailed test reports with analysis and improvement suggestions

What we are looking for

Required Skills and Experience:

• Strong experience with LoadRunner Suite

• Proficiency with Azure DevOps or Jenkins pipelines

• Experience using Postman for API testing

• Solid understanding of performance testing across UI, APIs, and messaging systems

• Hands-on experience with Single Page Applications (Angular)

• Skilled in performance issue diagnosis and troubleshooting

Nice to Have:

• Exposure to Kafka, MongoDB, Elasticsearch, Kubernetes

• Experience with Dynatrace or other monitoring tools

• Familiarity with scripting and automation for performance test execution

• Knowledge of CI/CD best practices and cloud-based testing environments

Extra information

Status

Open

Education Level

Secondary School

Location

City of London

Type of Contract

Part-time jobs

Published at

06-07-2025

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English