In one of my recent projects, I was responsible for developing a RESTful API to streamline data exchange between our application and a third-party service. To ensure scalability, I focused on optimizing the API's architecture by implementing efficient data handling and leveraging caching mechanisms to reduce server load. Given my experience with database administration, I ensured the API was designed to handle increased traffic by optimizing database queries and using connection pooling. Additionally, I utilized asynchronous processing to improve response times and incorporated load balancing to distribute traffic evenly across servers. This approach not only enhanced the API's performance but also ensured it could scale effectively as our user base grew.