Depending on the startup, mentioning themselves as senior developer might be the truth. Imagine the team was not larger than 5, team lead would work. The title

Depending on the startup, mentioning themselves as senior developer might be the truth. Imagine the team was not larger than 5, team lead would work. The title should reflect what the person actually did, also the CV is supposed to help find a job not self sabotage. Saying to be a CTO when you where coding all day seems a bit fantasious and inacurate anyway. senior developer/team lead reflects much more the reality of what the person actually did in the job.