self attention model, etc. 5. Experience in using multiple clouds, and using Terrafrom to set up cloud services, including: AWS, GCP, Azure, etc. 6. Performance optimization, experience in improving the performance of remote session log services by more than 80%. 7. Separately develop the SSO system used by the company's services, including social login or enterprise login such as google, microsoft, etc. 8.TDD or DDD practical development experience. 9. Experience in using docker, kubernetes, elasticsearch, fluentd, colima, k3s, boto3, minio, ceph, postman and other software. 10.