✅ Docker & Docker Compose
✅ MongoDB cluster management
✅ Redis configuration
✅ Nginx reverse proxy
✅ Prometheus + Grafana
✅ GitHub Actions or similar CI/CD
✅ SSL/TLS certificates management
✅ Backup and disaster recovery
Responsibilities:
Production infrastructure maintenance
CI/CD pipeline implementation
Monitoring and alerting setup
Security and compliance
Performance optimization
Automated deployment processes