Preheat oven to 350 F. Place Ritz crackers onto a greased baking sheet in a single layer. Place refried beans in a microwave-safe bowl. Heat until the refried beans are smooth. Stir in salsa.
Evenly top the refried beans over each cracker. Top with cheese, and place one pickled jalapeno on each cracker. Bake for 4-5 minutes.