Shrimp fajitas pasta salad

1kilo peeled shrimp 2 yellow peppers 2 red peppers 1 large onion All diced About 400 grams of pasta Celery 1 can sweet corn For fajitas seasoning: 1 tablespoon salt 1 tablespoon of pepper 2 tablespoons onion powder 2 tablespoons garlic powder 2 tablespoons paprika powder 1 tablespoon chili powder 1 tablespoon dried herbs 2 tablespoons cumin 1 small cup of olive oil or any of ur choice 1/4 cup vinegar 1 juice of fresh lemon Shake well and keep a side until serving