Heat pan over medium-high heat. Add bacon and cook until crispy. Drain on paper towels and drain out excess fat from pan. Crumble bacon and set aside.

Add onion and season with salt/pepper to pan. Cook for about 5 minutes, then add fig jam. Lower heat to low-medium and cook for additional 5 minutes. Add wine and Worcestershire sauce to deglaze. Cook for about 1-2 minutes or until thickened. Add crumbled bacon to onion mixture.

Form meat into 4 equal patties. Season with salt and pepper. Heat oil in a pan over medium-high heat. Sear ground beef, cooking for about 2-3 minutes. Flip and cook for an additional 5 or so minutes or until desired doneness (150-155 degrees F for medium-well). 

Place burgers on buns and top with jam, cheese, and mixed greens. Serve immediately.