A microservices developer is responsible for developing and maintaining software applications that are built using the microservices architecture. In this architecture, each software application is composed of a number of small, independent services that communicate with each other to perform a specific task. The advantage of this approach is that it allows for greater flexibility and scalability than traditional monolithic applications. As a microservices developer, you will need to design, build, test and deploy these small services. You will also be responsible for ensuring that the services interact seamlessly with each other and with the rest of the application. In addition, you will need to monitor the performance of the application and troubleshoot any issues that may arise.