In a fine-meshed strainer, rinse quinoa.
Set Instant Pot (or other pressure cooker) to sauté and add olive oil.
When oil is hot, add onion and green pepper. Cook for about 5 minutes, stirring frequently, until onions and green pepper are softened.
Add garlic, quinoa, chili powder and salt and pepper. Sauté for 1 minute.
Add broth and shrimp and set pressure cooker to 1 minute. Allow for natural release for 10 minutes.