Leon L.

I have 15 years of experience in full-stack development and system architecture, and have successfully built multiple high-concurrency, high-performance, highly available, and scalable systems across various industries. I have particularly deep expertise in e-commerce platforms and cloud-native architectures. I am proficient in Java, Python, and React, and have extensive experience with Spring Boot,Django and microservices architecture. I have a strong understanding of core middleware technologies, including databases, caching systems, message queues, and file storage. In addition, I am highly experienced with AWS cloud services and skilled in leveraging various CI/CD tools to enable continuous delivery and efficient deployment. Throughout my career, I have held several key technical positions, including: Falcons E-commerce Platform: Lead Architect / Senior Engineer OPPO E-commerce Platform: Senior Software Engineer / Product System Architect JD Indonesia (JD.ID): Senior Software Engineer / Promotion System Architect In these roles, I led backend architecture design, including overall microservices system design and DDD-driven microservices architecture, as well as system performance optimization and internationalized platform development, ensuring stable and reliable system operation under high-concurrency scenarios.