We are seeking a highly skilled and experienced Senior Backend Developer to join our team and contribute to the development and management of our robust backend systems.Key Responsibilities:Design, develop, and maintain scalable and efficient backend services using Golang with 4G/5G/RAN/Core networkImplement and manage RESTful APIs and microservices using OpenAPI 3.0 standards.Develop and configure API Gateways to manage and secure API traffic.Work with Service Mesh frameworks to enhance service-to-service communications.Manage database schemas, queries, and performance optimizations using PostgreSQL.Oversee orchestration and configuration management of containerized applications.Handle POD lifecycle management and ensure the health and performance of Kubernetes clusters.Collaborate with cross-functional teams to design and implement new features and improve existing systems.Troubleshoot and resolve complex technical issues in production environments.Required Skills and Experience:Extensive experience in backend development with Golang.Strong understanding and practical experience with OpenAPI 3.0.Proficiency in setting up and managing API Gateways (e.g., Kong, Tyk, AWS API Gateway).Experience with Service Mesh technologies (e.g., Istio, Linkerd, Consul).Advanced knowledge of PostgreSQL, including database design, optimization, and management.Expertise in orchestration and configuration management tools and practices.Deep understanding of POD lifecycle management within Kubernetes environments.Familiarity with Kubernetes cluster management, deployment, and troubleshooting.Strong problem-solving skills and the ability to work effectively in a fast-paced environment.Excellent communication and teamwork skills.Preferred Qualifications:Experience with cloud platforms such as AWS, GCP, or Azure.Familiarity with CI/CD pipelines and tools (e.g., Jenkins, GitLab CI/CD).Knowledge of monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack).Contributions to open-source projects or active participation in technical communities.