Software R&D Backend Engineer (Blockchain/Coin Circle Exchange Direction) Job Responsibilities: 1. System Design and Development: Participate in the architecture design and development of the core system of the cloud computing platform, including but not limited to scheduling engines, commodity management systems, wallet systems, etc. 2. Performance optimization: Conduct performance analysis and optimization on existing systems to ensure high concurrency, low latency, and high availability of the system. 3. Security reinforcement: responsible for the security design and implementation of the system, preventing various security threats

Job description: 1. Achieve sales performance targets (new product sales, promotion of managed resources, etc.); 2. Deeply understand customer needs, provide real-time feedback to the company on product requirements, product issues, technical support needs, etc; 3. Responsible for maintaining customer relationships, especially key customer relationships; 4. Responsible for expanding other business resources, including maintenance resources, operation and maintenance resources, mining pool computing power, marketing resources, new business resources, etc. Sales ManagerJob Desc