Pat the chicken breast dry with a paper towel and slice into thin bite-sized strips.
In a small bowl, whisk together the chipotle powder, smoked paprika, garlic powder, sea salt, and black pepper.
Toss the chicken strips in the spice blend until evenly coated.
Heat the olive oil in a cast-iron skillet over medium-high heat until shimmering.
Add the chicken to the skillet and sear for 3-4 minutes per side until the edges are crispy and the meat is cooked through.
While the chicken cooks, chop the romaine lettuce and halve the cherry tomatoes.
In a large bowl, layer the romaine lettuce, rinsed black beans, thawed sweet corn, and cherry tomatoes.
Top the salad with the warm crispy chicken and sliced avocado.
Drizzle with fresh lime juice and garnish with chopped cilantro before serving.