I don't have specific age data for senior developers. However, I can tell you that the average age can vary significantly based on factors like industry, region, and individual career paths. Generally, senior developers tend to have several years of experience—often ranging from 5 to 10 years—so they might typically be in their late 20s to mid-40s.
If you're considering a career in development or looking to transition into a senior role, focus on building relevant skills and experience rather than age. The tech industry values expertise and problem-solving abilities, which can come at any age!