Senior Backend Engineer at CP Axtra, China(Hangzhou)

Your ChallengeThe Backend Engineer is responsible for the system to work behind the scenes. The role is to integrate the application with all required systems and services and provide clean and easy-to-use API for the frontend part of the system. Although the work is usually hidden from the user, the Backend Engineer bears the full responsibility for the application functionality, performance and scalability. The Backend Engineer knows how to write clean modern APIs, integrate with legacy systems and work with databasesBuild scalable retail and e-commerce APIs Design event-driven microservices Optimize system performance and resiliency Develop integrations with ERP/POS/payment/logistics systems Build AI-ready backend services Support omnichannel commerce workflows Ensure observability and monitoring RequirementsStrong expertise in Node.js, Java, or Go Microservices architecture REST and GraphQL APIs Event-driven architecture (Kafka/RabbitMQ) PostgreSQL, MongoDB, Redis Distributed systems design Docker and Kubernetes CI/CD pipelines API Gateway and service orchestration System performance optimization Cloud-native architecture (AWS/Azure/GCP) Strong debugging and problem-solving skills Technical leadership and stakeholder communication PreferredRetail/e-commerce platform experienceExperience leading backend/platform engineering teams High-scale transactional system experience ERP/POS/payment/logistics integration experience AI-ready backend architecture and LLM integration exposure Event sourcing and CQRS experience Real-time inventory/order management systems Observability and monitoring platforms Security and compliance best practices Multi-region deployment architecture Experience working in enterprise agile environments Domain-driven design (DDD) Strong understanding of scalability and resiliency patterns Experience supporting AI agents and workflow orchestration systems BenefitsFull social insurance and housing fund Year-end bonusPhone allowanceTransportation allowanceBest CultureClear focus.Diverse Workplace (Our members are from around the world!)Non-hierarchical and agile environmentGrowth opportunity and career path