I'm assuming that this is a single F135 engine (same as F-35C), and an airframe stretched to close to max aircraft carrier elevator dimensions?
I have doubts as to the likelihood of a single-engined design being selected, but your design doesn't look impossible.
I do have a couple questions about it, however.
One is what angles do your canards match? They don't appear to match any leading or trailing edges on the airframe, and that violates a general rule for stealth.
The second question is about the weapon it is carrying. The fins make it look like a Sidewinder, but the body diameter is way off for that. What is that weapon supposed to be?