I've been in the industry for 12 years and have used various software combinations. The 3ds Max + Corona/V-Ray + Photoshop workflow is definitely the gold standard. Some studios also use Lumion for quick animations. The key is mastering the fundamentals of modeling, texturing, lighting, and composition regardless of the specific software. If you're looking for positions that specify these skills, https://cgaward.com.ua/work.html has job listings that detail exactly what software requirements different studios have, which can help guide your learning path.