create Iam user using aws cli

aws iam create-user --user-name dev-user1
aws iam create-user --user-name dev-user2
aws iam create-user --user-name dev-user3

aws iam create-user --user-name qa-user1
aws iam create-user --user-name qa-user2

create aws group and add user

aws iam create-group --group-name dev

aws iam create-group --group-name qa

add user to group

powershell

aws iam add-user-to-group `
    --user-name dev-user1 `
    --group-name dev

Linux:

aws iam add-user-to-group \
    --user-name dev-user3 \
    --group-name dev

enable console access to the user

aws iam create-login-profile --user-name <YOUR_USER_NAME> --password <TEMPORARY_PASSWORD> --password-reset-required