An Amazon SQS developer designs, deploys, and maintains applications using Amazon Simple Queue Service (SQS). They handle message queuing services for decoupling and scaling microservices, distributed systems, and serverless applications. They ensure secure, reliable, scalable, and fast communication between different software components. Tasks include creating and managing SQS queues, sending, receiving, and deleting messages, and integrating SQS with other AWS services like Lambda or . They also troubleshoot issues, optimize performance, and ensure high availability and durability of messages. Their role also requires understanding of AWS SDKs for programming languages, and AWS security best practices.