Heat olive oil in a large pot or Dutch oven over medium heat.
Sauté the diced onion, minced garlic, and jalapeño until the onion is translucent, approximately 5 minutes.
Stir in the cumin and chili powder, cooking for 1 minute until fragrant.
Add the chicken broth, diced tomatoes, and whole chicken breasts to the pot.
Bring the liquid to a boil, then reduce heat to low and simmer for 20 minutes or until the chicken is cooked through.
Remove the chicken from the pot and shred into bite-sized pieces using two forks.
Return the shredded chicken to the pot and add the black beans and corn kernels.
Simmer for an additional 5 to 10 minutes to heat through.
Remove from heat and stir in the fresh cilantro and lime juice.
Season with salt and black pepper to taste.
Serve hot, topped with crispy tortilla strips and optional garnishes like avocado or cheese.