4 of 4 Performance Testing Jobs in Central London

Infrastructure Tester +Permanent opportunity +Hybrid working on site in London 2/3 days a week +£42,000 - £45,000 Skills: +Infrastructure Testing experience +AWS/Azure +API +Manual and automated testing experience We're looking for a hands-on Tester who's as comfortable checking infrastructure … deployments and systems performance as they are validating user journeys in an app. You'll work across a range of environments - from cloud setups and APIs to end-user interfaces - ensuring everything we ship is rock solid, performant, and secure. This isn't a "click-around-and-tick-boxes ...

customer experience. You will work with modern engineering practices and cutting-edge technologies—including microservices, event-driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment. Key Responsibilities Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security. Design and implement … using Confluent Kafka. Build, maintain, and optimize CI/CD pipelines using GitHub Actions, Jenkins, and shell scripting. Write and execute unit, integration, and performance tests using Mockito, Gatling, and JMeter. Monitor system performance, troubleshoot issues, and ensure reliability using New Relic and Grafana. Collaborate with cross-functional ...

customer experience. You will work with modern engineering practices and cutting-edge technologies—including microservices, event-driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment. Key Responsibilities Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security. Design and implement … using Confluent Kafka. Build, maintain, and optimize CI/CD pipelines using GitHub Actions, Jenkins, and shell scripting. Write and execute unit, integration, and performance tests using Mockito, Gatling, and JMeter. Monitor system performance, troubleshoot issues, and ensure reliability using New Relic and Grafana. Collaborate with cross-functional ...

designing and optimising large-scale data engineering solutions within the Databricks Data Intelligence Platform. This role is ideal for someone passionate about building high-performance data pipelines and ensuring robust data governance across modern cloud environments. Key Responsibilities Design, build, and maintain scalable data pipelines using Databricks Notebooks, Jobs … Workflows for both batch and streaming data. Optimise Spark and Delta Lake performance through efficient cluster configuration, adaptive query execution, and caching strategies. Conduct performance testing and cluster tuning to ensure cost-efficient, high-performing workloads. Implement data quality, lineage tracking, and access control policies aligned with ...