3 of 3 Performance Testing Jobs in Central London

across multiple government departments and local authorities. You will play a key role in maintaining, optimising, and modernising the batch processing estate, ensuring the performance, reliability, and stability of a system that supports thousands of users and vital public services. Key Responsibilities Develop, maintain, and optimise … modernise legacy code , working within multi-disciplinary teams to understand requirements, propose technical options, and prototype solution approaches. Deliver robust, performant code and conduct performance testing in high-volume, transaction-driven environments. Contribute to the ongoing enhancement of a mission-critical platform used across numerous government functions. Essential ...

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 ...

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 ...