Preheat oven to 400°F (200°C) and line a baking sheet with parchment paper.
In a bowl, mix panko breadcrumbs with salt and pepper.
Coat each shrimp in the breadcrumb mixture and place them on the baking sheet.
Bake for 15 minutes until golden brown and crispy.
In another bowl, whisk together mayonnaise, sweet chili sauce, and sriracha until smooth.
Assemble tacos by spreading sauce onto each tortilla, adding baked shrimp, shredded lettuce, and chopped green onions.
Serve immediately with extra sauce drizzled on top.