Be the engineering owner of different fintech products, collaborate with cross-functional teams including backend, frontend, mobile engineers, QC, product managers to understand the requirements and deliver high-quality solutions.In charge of technical design (architecture and database), used to serve product needs.Optimize system performance, database queries, and overall application responsiveness.Align with and contribute to the engineering best practices in coding, database design, security, and tools to achieve a mastery level of code quality.Identify and troubleshoot issues, debugging and resolving technical problems that may arise in the production environment.