SL2639 - Java Microservices API Developer

Role Overview We are looking for an experienced Java Backend Developer to design, develop, and maintain scalable backend services, APIs, and microservices within a cloud-native AWS environment. The role will focus on developing robust, secure, and high-performing backend solutions, integrating with enterprise platforms and third-party systems, and continuously improving application reliability, scalability, security, and performance. The developer will also contribute to production support, troubleshooting, incident resolution, and continuous improvement of existing services. Key Responsibilities • Design and develop Java-based microservices and REST/GraphQL APIs using Java 17+ and Spring Boot 3.x. • Build scalable, secure, and high-performance backend applications and services. • Develop integrations with MuleSoft, Okta, and other enterprise systems. • Deploy and manage applications on AWS services, including ECS, EC2, and RDS. • Develop and maintain CI/CD pipelines using GitLab, AWS CodeCommit, and AWS CodePipeline. • Implement Infrastructure-as-Code (IaC) and support cloud deployment activities. • Work with SQL and Oracle databases, including query optimisation and application performance tuning. • Monitor and troubleshoot applications using Grafana and AWS CloudWatch. • Participate in production support, incident resolution, root cause analysis (RCA), and continuous improvement initiatives. • Collaborate with architects, DevOps, QA, and business teams throughout the software development lifecycle (SDLC). Required Skills & Experience • 7+ years of Java backend development experience. • Strong hands-on experience with Java 17+ and Spring Boot 3.x. • Strong experience developing microservices and REST/GraphQL APIs. • Hands-on experience with AWS services, particularly ECS, EC2, and RDS. • Experience with CI/CD tools and platforms, including GitLab, AWS CodeCommit, and AWS CodePipeline. • Experience with Infrastructure-as-Code and cloud deployment. • Strong knowledge of SQL, Oracle, and relational databases. • Experience with Okta authentication and authorisation. • Experience with MuleSoft and API integrations. • Good understanding of cloud security, monitoring, application performance, and scalable application design. Good to Have • Experience with containerisation and orchestration technologies such as Docker and Kubernetes. • Exposure to security best practices within cloud environments. • Familiarity with Agile and Scrum methodologies. • Soft Skills • Strong problem-solving and analytical skills. • Ability to work effectively in a fast-paced environment. • Excellent communication and stakeholder management skills. • Proactive mindset with strong ownership of production systems.