This is easy. Go with the one that offers a team that you like and a technology platform that you enjoy working with. The product doesn't matter. You will find

This is easy. Go with the one that offers a team that you like and a technology platform that you enjoy working with. The product doesn't matter. You will find interesting challenges in any problem domain. But your coworkers and management will make the difference between looking forward to each day and dreading each day.