Senior NFT Tester
We are working with a Tier 1 UK bank undergoing a significant engineering uplift within their Corporate Digital function. As part of this transformation, they are strengthening their Non-Functional Testing capability across their mobile estate to ensure scalability, resilience and production stability at enterprise scale.
This is a senior role focused on performance, load and endurance testing across customer-facing mobile applications. The successful candidate will play a key role in defining performance testing strategy, identifying bottlenecks early in the lifecycle, and working closely with engineering teams to ensure robust and secure releases within a highly regulated environment.
Key Responsibilities:
- Design and implement non-functional testing strategies for mobile platforms
- Develop and execute load, stress and endurance testing scenarios
- Use tools such as JMeter or LoadRunner to simulate real-world traffic and peak usage
- Interpret application behaviour to define appropriate performance test scope
- Conduct root cause analysis on performance issues and collaborate with developers to resolve defects
- Integrate performance testing into CI/CD pipelines
- Identify performance risks and escalate where necessary
- Influence testing standards and contribute to enterprise quality practices
Required Experience:
- Strong hands-on experience in non-functional testing for mobile applications
- Experience with performance testing tools such as JMeter or LoadRunner
- Ability to design and execute large-scale load and stress testing scenarios
- Strong Java knowledge to understand backend application behaviour
- Experience working in enterprise or regulated environments
- Ability to interpret performance results and provide actionable insights
Highly Desirable:
- Experience in banking, fintech or payments
- Exposure to behaviour-driven testing frameworks such as Cucumber
- Experience leading or mentoring testers
Location: Northampton or Knutsford