Print-Ready Eagle Photo Retouching

I have a short burst of 15 high-resolution JPEGs showing a bald eagle snatching a fish, shot on a Nikon Z6III. Unfortunately, they’re not RAW files, yet I still need them polished for gallery-quality prints... (Budget: $10 - $30 CAD, Jobs: Creative Design, Graphic Design, Illustrator, Image Processing, Photo Editing, Photography, Photoshop, Photoshop Design, Visual Arts, Visual Design)