Senior Full Stack Engineer (Java 17, AWS, GraphQL)The OpportunityJoin a global leader in the digital product space, building high-concurrency systems for millions of users. We are looking for a Senior Engineer to drive our back-end strategy and cloud deployment using a modern, best-in-class stack.Key RequirementsJava Mastery: 5+ years of experience (Java 17+ preferred) with a focus on performance tuning.Spring Ecosystem: Deep expertise in Spring Boot, Data, and Security.Cloud and DevOps: Strong AWS knowledge (ECS/Fargate, Lambda, RDS) and expert proficiency with Docker and CI/CD.Modern APIs: Solid experience designing and implementing GraphQL APIs.Highly Desirable (Full Stack)React.js: 3+ years of experience with complex SPAs.Micro Frontends: Practical experience with MFE architecture.Apply now with your updated CV for immediate consideration.Randstad Technologies is acting as an Employment Business in relation to this vacancy.