BAE Systems is seeking a Subject Matter Expert (SME) level - Full Stack Java Spring Boot & React Developer to provide expert hands-on, technical leadership, architecture modern cloud-native solutions, and delivering backend infrastructure with dynamic frontend user interfaces. Key Responsibilities • Architect Cloud-Native Solutions: Lead the strategy, design, and deployment of complex microservices architecture across AWS and Oracle Cloud Infrastructure (OCI). • Full-Stack Technical Leadership: As an active member of a development team provide leadership on Java Spring Boot backend systems and reusable React.js frontend component architectures. • Front-end Development (React): Build responsive, interactive, and user-friendly interfaces using React.js. Implement and manage application state using state management libraries (e.g., Redux) as needed. Ensure cross-browser compatibility and optimal performance of the UI. • Orchestrate Containerization: Design, scale, and maintain containerized applications using Kubernetes clusters for enterprise production environments. • API & Integration Governance: Oversee RESTful API and WebSocket design, data streaming, and hybrid-cloud integration strategies. • Multi-Cloud Database Mastery: Optimize data models and high-availability setups across relational and non-relational databases, utilizing both cloud-native storage and traditional system Scrum Participation: • Actively participate in all Scrum ceremonies, including daily stand-ups, sprint planning, sprint reviews, and retrospectives • Collaborate with product owners, scrum masters, and other team members to define, estimate, and deliver user stories • Contribute to backlog refinement and ensure alignment with product goals • Code Quality & Best Practices: • Write clean, maintainable, and well-documented code following established coding standards • Participate in code reviews to ensure code quality and adherence to best practices • Implement unit and integration tests to ensure software reliability • Deployment & Operations: • Assist in the deployment of applications to cloud platforms (e.g., AWS, Azure, GCP) and manage containerization (e.g., Docker, Kubernetes) as required • Monitor application performance, troubleshoot issues, and provide production support Collaboration & Communication: • Work effectively within a cross-functional team, collaborating with UX/UI designers, QA engineers, and other stakeholders • Communicate technical concepts clearly and concisely to both technical and non-technical audiences