Share the IAM user credentials for each development team member with the rest of the team to simplify access management and to streamline development workflows.

Define IAM roles that have fine-grained permissions based on the principle of least privilege. Assign an IAM role to each developer.

Create IAM access keys to grant programmatic access to AWS resources. Allow only developers to interact with AWS resources through API calls by using the access keys.

Create an AWS Cognito user pool. Grant developers access to AWS resources by using the user pool.