01 - Combine soy sauce, lime juice, garlic powder, smoked paprika, salt, and pepper in a medium bowl. Add salmon cubes and toss gently to coat. Let marinate for 10 minutes.
02 - Mix cornstarch and salt in a shallow dish. Dredge each marinated salmon cube in the cornstarch mixture, shaking off any excess coating.
03 - Heat ½–¾ inch vegetable oil in a large skillet over medium-high heat. Add salmon cubes in batches without overcrowding. Fry 1–2 minutes per side until golden and just cooked through. Transfer to paper towel-lined plate.
04 - Whisk together mayonnaise, sweet chili sauce, Sriracha, honey, and lime juice in a small bowl until smooth and well combined.
05 - Toss fried salmon bites gently with the Bang Bang sauce until evenly coated. Serve immediately, garnished with chopped chives and sesame seeds if desired.