Heat the olive oil in a skillet over medium heat.
Season the diced chicken with chili powder, cumin, garlic powder, paprika, salt, and pepper.
Add the seasoned chicken to the skillet and cook until browned and cooked through, about 7-10 minutes.
While the chicken is cooking, prepare the salad base by combining mixed greens, cherry tomatoes, corn, black beans, and avocado in a large bowl.
Once the chicken is cooked, remove it from the heat and let it rest for a few minutes before slicing.
Slice the cooked chicken and add it to the salad bowl.
Drizzle with lime juice and toss gently.
Garnish with chopped cilantro before serving.