01 - Whisk together mayonnaise, Dijon mustard, chopped capers, lemon juice, parsley, dill pickle, hot sauce, smoked paprika, garlic powder, salt, and pepper in a small bowl until thoroughly blended. Cover and refrigerate until serving.
02 - Gently fold crab meat, celery, red bell pepper, green onion, parsley, breadcrumbs, egg, mayonnaise, Dijon mustard, Worcestershire sauce, Cajun seasoning, salt, and black pepper in a large bowl until just combined. Avoid overmixing to maintain texture.
03 - Portion mixture into 8 equal amounts and shape each into a patty approximately 1 inch thick. Arrange on parchment-lined baking sheet and refrigerate for 15 minutes to firm before cooking.
04 - Heat vegetable oil in large non-stick skillet over medium heat. Cook crab cakes in batches for 3 to 4 minutes per side until golden brown and heated through. Transfer to paper towel-lined plate to drain excess oil.
05 - Arrange crab cakes on serving platter. Garnish with lemon wedges and fresh parsley if desired. Serve immediately with chilled remoulade sauce alongside.