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by intellectronica 3557 days ago
A "senior" is a someone who provides about 10X in value and earns about 2X in salary :)

More seriously, except for very big and very hierarchical orgs where tenure is overly important, people will tend to give you the senior title when your work is indispensable. To be indispensable you don't need to know by heart this technology or the other - you need to identify what are the things that bring the most value and work hard at delivering them.