Cristina EstupiñánAfter hundreds of job applications and no offers, Cristina Estupiñán decided to leave tech behind.Her discomfort with AI made a brutal job hunt even harder as employers embraced the technology.Now 33, she's retraining as a nurse and finding hope in starting over.This as-told-to essay is based on conversations with 33-year-old Cristina Estupiñán of New Providence, New Jersey. Her identity and background have been verified. This …