Senior Java Microservices AWS Developer Location: London – Hybrid (2 days onsite) Rate: £500 /day (Inside IR35) Type: Contract – 6 Months Start Date: ASAP Positions: 1 The Opportunity Join a dynamic, tech-forward team as a Senior Java Microservices AWS Developer, where you'll work on large-scale, high-performance cloud-native solutions. This role requires strong back-end development expertise using Java and AWS Serverless technologies. You'll lead the design, development, and deployment of robust applications supporting complex business needs in a modern DevOps environment. Key Responsibilities Design and develop scalable web applications using Java and AWS Serverless architecture. Build and manage microservices using Spring Boot and Java 11+. Implement and maintain CI/CD pipelines using tools such as Jenkins, GitLab, or AWS CodeBuild. Work with AWS services like Lambda, DynamoDB, ECS Fargate, S3, SQS, SNS, RDS, Kinesis, and CloudFormation. Develop secure, efficient APIs using API Gateway and related integrations. Monitor and troubleshoot production issues using tools like CloudWatch. Conduct peer code reviews and maintain coding best practices. Collaborate with cross-functional teams including DevOps, QA, and UX. Lead feature development from planning to deployment. Deliver high-quality code in an Agile/Scrum environment. Required Skills & Experience 10+ years of Java development experience, including Spring Boot and concurrent programming. Strong experience with AWS Serverless stack (Lambda, DynamoDB, ECS Fargate, API Gateway, CloudFormation, etc.). Proficiency with messaging systems (MQ, Kafka). Deep understanding of RDBMS (Sybase/DB2 preferred); strong SQL knowledge required. Skilled in writing unit and integration tests (JUnit). Excellent problem-solving, debugging, and communication skills. Experience with version control (Git) and CI/CD pipelines. Desirable Skills Exposure to front-end technologies (e.g., React, Angular). Familiarity with agile tools (e.g., Rally, Jira). Experience using ServiceNow or similar ITSM platforms.