Discover strategies for building confidence and overcoming imposter syndrome in this JSConf US 2019 talk by David Whittaker. Explore techniques to honestly assess your skills, reframe goals, and authentically evaluate your professional journey. Learn how to inventory competencies, understand different types of expertise, and recognize biases that affect self-perception. Gain insights on handling self-doubt, coping mechanisms, and cultivating a growth mindset. Understand the value of positive feedback and the importance of sharing your imposter story. Walk away with practical tools to boost your confidence as a developer and maximize your contributions without comparing yourself to others.