Performance Tester

Role: Performance Tester Location: Leeds/hybrid, working 2-3 days per week in the office Salary: DOE plus extensive benefits Contract type: Permanent Employment type: Full time Working hours: 37.5 hours per week, Mon-Fri Do you want to work for the nation’s largest online pharmacy ensuring excellence for all our patients? We’re a market leader in the pharmacy world, with 25 years’ experience, helping over 1.4 million patients in England manage their NHS prescriptions from request through to delivery. We are Great Place to Work certified as we consider colleague experience a top priority every day. Our people are fundamental to our success and ensuring we achieve our vision to be a world leading, patient-centric digital healthcare provider. We are committed to continuing to develop a positive, open and honest working environment for all. We have a brand new opportunity available for a Non-Functional Performance Tester with strong experience in data-intensive systems. The successful candidate will be responsible for evaluating system performance, scalability, and reliability, especially in environments where large volumes of data are processed. If you have expertise in performance testing tools, data profiling, and analysis to ensure optimal system behaviour under various load conditions, then we would be keen to hear from you! What’s in it for you? Occupational sick pay Enhanced maternity and paternity pay Contributory pension Discounted insurance (Aviva) Employee discount site Discounted gyms (via our blue light card and benefits schemes) Employee assistance programme In-house mental health support Free onsite parking Health and wellbeing initiatives Social events throughout the year Cycle to work scheme Green car scheme*(subject to minimum earnings) Registration fees paid (GPhC, NMC, CIPD etc) Long service bonus Refer a friend bonus Blue light card Hybrid working Commitment to CPD/training 25 days annual leave increasing with service Annual leave buy and sell scheme Discounts & Exclusive offers at The Springs, Leeds 25% Discount & health & beauty purchases 25% Discount on Pharmacy2U Private Online Doctor Services What you’ll be doing? Conduct penetration testing, vulnerability assessments, and security audits across applications, networks, and data environments. Design and execute performance, load, stress, and scalability tests for data-driven applications. Analyse system behaviour under different data volumes and user loads. Collaborate with data engineering teams to understand data flows and identify performance bottlenecks. Develop test scripts and scenarios using tools like JMeter, LoadRunner, or Gatling. Monitor system metrics (CPU, memory, I/O, network) during test execution. Provide detailed performance reports and recommendations for improvements. Validate data integrity and consistency during performance testing. Ensure compliance with non-functional requirements and SLAs Who are we looking for? Solid understanding of Agile principles and Scrum methodology. Proven ability to define, prioritise, and deliver high-quality software features. Proven experience in non-functional testing, especially performance and scalability testing. Strong understanding of data systems, including relational and NoSQL databases. Hands-on experience with performance testing tools (e.g., JMeter, LoadRunner, Gatling). Familiarity with monitoring tools (e.g., Grafana, New Relic). Proficiency in scripting languages (e.g., Python, Bash) for test automation. Experience with cloud platforms and distributed systems. Knowledge of data profiling and analysis techniques. Experience with product management tools (e.g., Jira, Confluence, Azure DevOps). Background in SaaS, FinTech, HealthTech, or eCommerce. Familiarity with UX/UI principles and user-centric design. Working knowledge of data privacy laws and compliance standards. Experience with DevSecOps and integrating security into CI/CD pipelines. Exposure to machine learning models and their security implications. Experience with big data technologies Understanding of CI/CD pipelines and integration of performance tests. Exposure to data privacy and compliance testing. What happens next? Please click apply and if we think you are a good match, we will be in touch to arrange an interview. Applicants must prove they have the right to live in the UK. All successful applicants will be required to undergo a DBS check. Unsolicited agency applications will be treated as a gift.