• Design, develop, and maintain Java (Spring Boot) microservices and RESTful APIs on a cloud-native, serverless AWS architecture (ECS, RDS, S3, SNS/SQS, Lambda) • Develop and optimize database solutions using PostgreSQL and implement search capabilities using Elasticsearch/OpenSearch • Contribute to shared platform services including identity/access management, payment processing, event-based messaging, and integrations with external systems • Write clean, well-tested code with comprehensive unit tests, participate in peer code reviews, and ensure all code passes SonarQube quality gates • Ensure accessibility, security, and performance standards are baked into all delivered code, meeting WCAG 2.1 AA and federal security requirements • Collaborate with DevOps teams to maintain and improve GitLab CI/CD pipelines and keep the pipelines green across all environments • Express infrastructure as code using Terraform and support containerized deployments using Docker and AWS ECS • Participate fully in SAFe Agile ceremonies including Sprint Planning, PI Planning, Sprint Reviews, Retrospectives, and Product Demos within cross-functional Scrum teams • Collaborate with Solutions Architects, Cloud Architects, frontend developers, testers, UX designers, and federal stakeholders to ensure alignment with architectural patterns and program priorities • Support production operations, triage and resolve issues, and maintain technical documentation including architecture documents, API specifications, and runbooks