To thrive as a CTO at a startup, you need deep technical expertise, a proven track record in software development or engineering leadership, and experience scaling technology solutions, often backed by a relevant degree. Familiarity with cloud platforms, agile project management tools, and compliance frameworks (like SOC 2 or GDPR) is commonly expected. Strong soft skills such as strategic vision, adaptability, and effective communication are essential to lead and motivate diverse teams in a fast-paced environment. These skills are vital for driving innovation, aligning technology with business goals, and guiding early-stage companies to sustainable growth.