https://jobs.co.uk/job/java-and-react-randstad-technologies--3d0dc643-bc3f-4ba8-b916-c8c46d98dfdd RSS feed for Java and React at Randstad Technologies. en-gb Wed, 08 Jul 2026 10:32:37 GMT https://jobs.co.uk/job/java-and-react-randstad-technologies--3d0dc643-bc3f-4ba8-b916-c8c46d98dfdd https://jobs.co.uk/job/java-and-react-randstad-technologies--3d0dc643-bc3f-4ba8-b916-c8c46d98dfdd Wed, 01 Jul 2026 11:51:54 GMT Location: London | Salary: 50000.00-50000.00 Annual | Type: Permanent | Location: London (Hybrid - 3 days in-office) Role Type: Full-Time / Permanent Experience Level: Mid-Senior (5-7 years)We are partnering with our client to hire a Senior Full-Stack Engineer. In this role, you will design, build, and scale cloud-native applications that are critical to the bank''s risk management operations.This is a high-impact position for an engineer who excels at bridging complex backend data processing with highly responsive front-end interfaces, all hosted in a modern cloud environment.What You Will DoBuild scalable applications using Core Java, multithreading, and ReactJS to handle heavy datasets efficiently.Engineer cloud-native solutions by designing, maintaining, and deploying applications leveraging Kubernetes and Amazon AWS.Design and integrate APIs using REST and gRPC to ensure seamless connectivity between the frontend and backend.Implement event streaming by integrating Kafka for real-time financial data processing.Lead and mentor junior developers, championing CI/CD automation, security standards, and Agile best practices.Bridge tech and finance by applying your investment banking and risk management knowledge to solve complex business problems.What Y... Permanent