It's a very vague concept. I call myself a senior frontend developer, because I have over 10 years of experience in my field. Experience with in field is one major aspect. Another might be that you have some sort of experience with the responsibility for other programmers, be it that you taught or guided junior developers or that you officially led a team.
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It's a very vague concept. I call myself a senior frontend developer, because I have over 10 years of experience in my field. Experience with in field is one major aspect. Another might be that you have some sort of experience with the responsibility for other programmers, be it that you taught or guided junior developers or that you officially led a team.