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Job Summary: A professional specialized in middleware platforms, application integration, and cloud-native environment administration, focused on ensuring stability, scalability, and security of critical services. Key Highlights: 1. Experience in microservices, APIs, and event-driven architectures 2. Middleware platform management, support, and DevOps automation 3. AWS and Kubernetes/OpenShift infrastructure administration DESCRIPTION A professional specialized in middleware platforms, application integration, and cloud-native environment administration, with experience in backend development, DevOps automation, and enterprise integration platform operations. Focused on ensuring stability, scalability, security, and high availability of critical services. Experience in designing and implementing microservices, APIs, and event-driven architectures using Java, Kubernetes/OpenShift platforms, and AWS services, participating in the full application and integration lifecycle. ### **Key Responsibilities** * Administer and support middleware and integration platforms * Implement and maintain APIs, microservices, and messaging systems * Automate deployments and operational processes * Monitor service stability, performance, and availability * Respond to critical incidents and conduct root cause analysis * Manage connectivity and security between platforms * Implement DevOps best practices and observability * Coordinate production deployments and releases ### **Mandatory Technologies** * Java * OpenShift * AWS * GitHub Actions * Jenkins * Kong API Gateway ### **Additional Tools and Technologies** * Docker / Kubernetes * RabbitMQ / Kafka / AWS SQS * Redis * Git / Maven / Gradle * PostgreSQL / Oracle / MongoDB * SonarQube / Nexus * Istio / HAProxy / Envoy / NGINX * Kubecost ### **Skills** * Critical problem and incident resolution * Collaborative work with development and infrastructure teams * Technical communication * Analysis and troubleshooting * Automation and continuous improvement orientation * Agile methodologies (Scrum/Kanban) REQUIREMENTS ### **Experience and Technical Knowledge** * Backend development with Java and Quarkus * Design and implementation of REST APIs and microservices * Event-driven architectures and asynchronous messaging * Integration using RabbitMQ, Kafka, and AWS SQS * Distributed caching with Redis * Full application lifecycle management (SDLC) * Docker containers and orchestration with OpenShift/Kubernetes * Kubernetes/OpenShift Pod lifecycle management * Middleware platform configuration and support * Production incident troubleshooting and analysis * Observability, monitoring, and platform hardening * Production, QA, and development environment administration ### **Infrastructure and Cloud** * AWS service administration and consumption * Private VPC design and administration * Subnet, Security Groups, and NACLs (Network Access Control Lists) configuration * IAM Roles, Policies, and Secrets Manager management * Hybrid connectivity implementation via AWS Direct Connect * Load Balancer administration and inter-service connectivity management * Configuration and operation of: * Kong API Gateway * NGINX * Envoy Proxy * HAProxy * Istio Service Mesh * ACLs (Access Control Lists) and access policy administration * Traffic management, observability, and secure API exposure ### **DevOps and Automation** * CI/CD pipeline implementation and administration * Automation with GitHub Actions and Jenkins * Advanced deployment strategies: * Canary Deployments * Blue-Green Deployments * A/B Testing Deployments * Automated and controlled rollback * Versioning and release management * Automated quality and security validations * Continuous integration and continuous delivery * Cost optimization and monitoring with Kubecost
